tag:blogger.com,1999:blog-40093917948341508712024-02-19T17:00:00.229+01:00ChaozLabsAll about 3D-printing, robotics and other electronics projects. 4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.comBlogger72125tag:blogger.com,1999:blog-4009391794834150871.post-67848024097489346812019-06-12T13:07:00.000+02:002019-06-12T18:38:44.630+02:00Mantis Rover Mecanum Robot Platform<div bis_size="{"x":16,"y":8,"w":653,"h":18,"abs_x":549,"abs_y":171}">
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This is the second part of the build of the moving base for my robot arm project. The Rover is now fully operational.</div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i9.ytimg.com/vi/ho_lmqoMiuo/default.jpg?sqp=CKyvg-gF&rs=AOn4CLARjDHeIfRmbT-Zez6gby4HsWI8xQ" frameborder="0" height="480" src="https://www.youtube.com/embed/ho_lmqoMiuo?feature=player_embedded" width="700"></iframe></div>
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I added a hackaday.io project:</div>
<div bis_size="{"x":16,"y":384,"w":653,"h":18,"abs_x":549,"abs_y":547}">
https://hackaday.io/project/166048-mantis-rover</div>
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You can download the cad files from:</div>
<div bis_size="{"x":16,"y":439,"w":653,"h":18,"abs_x":549,"abs_y":602}">
https://github.com/4ndreas/MantisRover</div>
<div bis_size="{"x":16,"y":458,"w":653,"h":18,"abs_x":549,"abs_y":621}">
or the stl at thingiverse:</div>
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<div bis_size="{"x":16,"y":494,"w":653,"h":18,"abs_x":549,"abs_y":657}">
The PCB files for the motor drivers are available at:</div>
<div bis_size="{"x":16,"y":513,"w":653,"h":18,"abs_x":549,"abs_y":676}">
https://github.com/4ndreas/TMC5160_Hardware</div>
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I post regular updates on my Instagram feed:</div>
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https://www.instagram.com/4ndreash</div>
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<div bis_size="{"x":236,"y":624,"w":65,"h":18,"abs_x":769,"abs_y":787}">
<b bis_size="{"x":236,"y":624,"w":61,"h":17,"abs_x":769,"abs_y":787}">Quantity</b><o:p bis_size="{"x":298,"y":624,"w":0,"h":17,"abs_x":831,"abs_y":787}"></o:p></div>
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<td bis_size="{"x":309,"y":623,"w":356,"h":19,"abs_x":842,"abs_y":786}" style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 254.8pt;" valign="top" width="340"><div bis_size="{"x":317,"y":624,"w":341,"h":18,"abs_x":850,"abs_y":787}" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0cm;">
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<b bis_size="{"x":317,"y":624,"w":39,"h":17,"abs_x":850,"abs_y":787}"><span bis_size="{"x":317,"y":624,"w":39,"h":17,"abs_x":850,"abs_y":787}" lang="EN-GB">Links</span></b><span bis_size="{"x":356,"y":624,"w":165,"h":17,"abs_x":889,"abs_y":787}" lang="EN-GB"> (some are affiliate links!)<o:p bis_size="{"x":522,"y":624,"w":0,"h":17,"abs_x":1055,"abs_y":787}"></o:p></span></div>
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<span bis_size="{"x":24,"y":643,"w":4,"h":17,"abs_x":557,"abs_y":806}" lang="EN-GB"> </span>The Motors I used</div>
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<div bis_size="{"x":317,"y":773,"w":341,"h":18,"abs_x":850,"abs_y":936}">
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8</div>
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<td bis_size="{"x":309,"y":958,"w":356,"h":74,"abs_x":842,"abs_y":1121}" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 254.8pt;" valign="top" width="340"><div bis_size="{"x":317,"y":959,"w":341,"h":73,"abs_x":850,"abs_y":1122}" class="MsoNormal" style="line-height: normal; margin-bottom: .0001pt; margin-bottom: 0cm;">
<div bis_size="{"x":317,"y":959,"w":341,"h":55,"abs_x":850,"abs_y":1122}">
<a bis_size="{"x":317,"y":959,"w":341,"h":54,"abs_x":850,"abs_y":1122}" href="https://www.aliexpress.com/item/3-2v-6Ah-high-discharge-35C-lifepo4-battery-3-2v-6000mah-for-2s-3s-4s-5s/32773428864.html">https://www.aliexpress.com/item/3-2v-6Ah-high-discharge-35C-lifepo4-battery-3-2v-6000mah-for-2s-3s-4s-5s/32773428864.html</a></div>
<div bis_size="{"x":317,"y":1014,"w":341,"h":18,"abs_x":850,"abs_y":1177}">
<br bis_size="{"x":317,"y":1014,"w":0,"h":17,"abs_x":850,"abs_y":1177}" /></div>
</div>
</td>
</tr>
</tbody></table>
<div bis_size="{"x":16,"y":1034,"w":653,"h":18,"abs_x":549,"abs_y":1197}">
<br bis_size="{"x":16,"y":1034,"w":0,"h":17,"abs_x":549,"abs_y":1197}" /></div>
4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com1tag:blogger.com,1999:blog-4009391794834150871.post-34489768145311636242019-05-20T08:30:00.000+02:002019-05-20T08:30:03.133+02:00Moving Robot Platform (3D printed mecanum wheelsThis is the first part of the build of the moving base for my robot arm project. I designed 3d printable mecanum wheels and made a steel frame.<br />
<div class="separator" style="clear: both; text-align: center;">
<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/iAEOavCNyxw/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/iAEOavCNyxw?feature=player_embedded" width="320"></iframe></div>
<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-92178463533717746982019-05-12T18:51:00.000+02:002019-05-19T21:52:51.190+02:003D printed 6-Axis Robot Arm - 2019 UpdateIt's been 4 years since I started this project. Its had some downs and a lot of ups. Time to give you an update about whats going on.<br />
<div>
<br /></div>
<div class="separator" style="clear: both; text-align: center;">
<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/TSZTV1dZyyY/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/TSZTV1dZyyY?feature=player_embedded" width="320"></iframe></div>
<div class="separator" style="clear: both; text-align: center;">
Notice: "No robots were harmed during making this video."</div>
<div>
<br /></div>
<div>
<div>
I post regular updates on my Instagram feed, if you are interested in regular updates and other projects:</div>
<div>
https://www.instagram.com/4ndreash</div>
</div>
<div>
<br /></div>
4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com2tag:blogger.com,1999:blog-4009391794834150871.post-18519191532751480802017-08-23T19:03:00.001+02:002017-08-23T19:04:44.912+02:00Channel update Maker fair Hannover 2017<div style="text-align: center;">
<iframe allowfullscreen="" frameborder="0" height="270" src="https://www.youtube.com/embed/Dv7B2Irnt7k" width="480"></iframe></div>
<br />
<br />
Hello,<br />
<br />
it's been a while. I'm still around form 26 to 27 of August I will show some of my work at Maker Fair Hannover 2017.<br />
<br />
<div style="text-align: left;">
I also uploaded the Inventor files of the Robot Arm to github, take a look: </div>
<a href="https://github.com/4ndreas/Mantis-Robot-Arm">https://github.com/4ndreas/Mantis-Robot-Arm</a>4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-77608490124750811562016-04-13T09:00:00.000+02:002016-04-13T10:10:23.221+02:00Mantis Robot Arm - Part 1 - The Gripper<div class="separator" style="clear: both; text-align: center;">
<br /><iframe width="560" height="315" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/Sz4pLQS5GgY/0.jpg" src="https://www.youtube.com/embed/Sz4pLQS5GgY?feature=player_embedded" frameborder="0" allowfullscreen></iframe></div>
<br />
This is the first video about my new robot arm called Mantis. Just because of the looks of the eye like encoder:<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilx9-FcDooiRLtBwLbvJ27v6orMsE2SncYRn8ppsEvD01BK1jJrzRdCLY15arovJ7wRHjWGGFw9MEqqq5dltf5nNURM5gl5dOqrNi_9UwuXGNT5T2pSBvlAvGI9G4-VVllHZIs24ulfVY/s1600/mantisRobot.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="640" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilx9-FcDooiRLtBwLbvJ27v6orMsE2SncYRn8ppsEvD01BK1jJrzRdCLY15arovJ7wRHjWGGFw9MEqqq5dltf5nNURM5gl5dOqrNi_9UwuXGNT5T2pSBvlAvGI9G4-VVllHZIs24ulfVY/s640/mantisRobot.jpg" width="450" /></a></div>
<br />
<br />
<br />
I plan to do several videos about the assembly. The parts will be listed below. I try to supply you with a link. Besides I'm quite busy now so don't expect soon to many.<br />
<br />
BOM:<br />
<br />
<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-table-layout-alt: fixed; mso-yfti-tbllook: 1184;">
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<b>Part<o:p></o:p></b></div>
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<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
<b>Quantity<o:p></o:p></b></div>
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<td colspan="2" style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<b>Links </b>(some are <span style="background: white; color: #333333;">affiliate
links!)</span><b><o:p></o:p></b></div>
</td>
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<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
Printed parts<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
1<o:p></o:p></div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://www.thingiverse.com/thing:1480408" target="_blank">http://www.thingiverse.com/thing:1480408</a><o:p></o:p></div>
</td>
</tr>
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<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
Vitaflex 30<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
10g<o:p></o:p></div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://www.smooth-on.com/Urethane-Rubber-an/c6_1117_1142/index.html" target="_blank">http://www.smooth-on.com/Urethane-Rubber-an/c6_1117_1142/index.html</a><o:p></o:p></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
Servo</div>
<div class="MsoNormal" style="margin-bottom: 0.0001pt;">
MG 996R<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
1<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 165.7pt;" valign="top" width="221"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://s.click.aliexpress.com/e/mEaaqz37y" target="_parent">AliExpress.com Product - MG996R</a></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 165.7pt;" valign="top" width="221"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&icep_uq=MG996R&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg" target="_blank">search ebay</a><img src="http://rover.ebay.com/roverimp/1/707-53477-19255-0/1?ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&uq=MG996R&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /><o:p></o:p></div>
</td>
</tr>
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<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
Bearing </div>
<div class="MsoNormal" style="margin-bottom: 0.0001pt;">
DIN625-624</div>
<div class="MsoNormal" style="margin-bottom: 0.0001pt;">
4x13x5mm<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
4<o:p></o:p></div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&icep_uq=DIN625+624&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg" target="_blank">search ebay</a><img src="http://rover.ebay.com/roverimp/1/707-53477-19255-0/1?ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&uq=DIN625+624&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
MR83</div>
<div class="MsoNormal" style="margin-bottom: 0.0001pt;">
3x8x3mm<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
1<o:p></o:p></div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&icep_uq=MR83&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg" target="_blank">search ebay</a><img src="http://rover.ebay.com/roverimp/1/707-53477-19255-0/1?ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&uq=MR83&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
M4x40<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
1<o:p></o:p></div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<br /></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
M4 Nut<o:p></o:p></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
1<o:p></o:p></div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<br /></div>
</td>
</tr>
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<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 69.2pt;" valign="top" width="92"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
DIN 125 - 4</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 63.8pt;" valign="top" width="85"><div align="center" class="MsoNormal" style="margin-bottom: 0.0001pt; text-align: center;">
3</div>
</td>
<td colspan="2" style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<br /></div>
</td>
</tr>
</tbody></table>
4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com2tag:blogger.com,1999:blog-4009391794834150871.post-10171845434942328592016-04-04T17:12:00.000+02:002016-04-05T00:36:41.413+02:00Adding an extra display to my laptop.<br />
I bought on of these 9,7" LCD displays about a year ago and and last weekend I finally got some mood to build a case for it. Originally I planed to use it as display for my home automation system but this is currently far away from becoming reality. So I decided instead to use it as second screen on my work laptop I got this one cheap on ebay and since it has a native DisplayPort it's works like a charm.<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKrUbf8xfJa6aO0DBBomYVAhMPvGzPvUL4nqMtlyCVhQ3SQvcv25i4GuSWGe33BGdyQlHhAZ8QR8iV-ASXllyKth7WjM1grUYxzGo02Y-7ZUBpLkTnfwvMIid7wWhXMySrPk4E_xk_GZg/s1600/WP_20160403_17_09_58_Pro.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKrUbf8xfJa6aO0DBBomYVAhMPvGzPvUL4nqMtlyCVhQ3SQvcv25i4GuSWGe33BGdyQlHhAZ8QR8iV-ASXllyKth7WjM1grUYxzGo02Y-7ZUBpLkTnfwvMIid7wWhXMySrPk4E_xk_GZg/s320/WP_20160403_17_09_58_Pro.jpg" width="320" /></a>
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<br />
The case is of course 3D-printed.<br />
<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaB3uw-fhg53u9PuHOviunvzjAFO7Sx3rYHOIYhWz9qII6vpzVqFZy70mwRGOIZHOI67zDBTgjeJdmX1u7GmoYbkQTCMi9tSRd9Kprsu0w2gciz2ihx-gTQrBcivDSqr5POdTtyonEhx0/s1600/ipadDisplay.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaB3uw-fhg53u9PuHOviunvzjAFO7Sx3rYHOIYhWz9qII6vpzVqFZy70mwRGOIZHOI67zDBTgjeJdmX1u7GmoYbkQTCMi9tSRd9Kprsu0w2gciz2ihx-gTQrBcivDSqr5POdTtyonEhx0/s320/ipadDisplay.JPG" width="320" /></a></div>
<br />
The adapter is from <a href="http://abusemark.com/">abusemark.com</a> and shipped from Japan in a fair amount of time and is working fine. I have an older version as the current one but had no trouble at all.<br />
I mountet the power switch outside but I think this is optional.<br />
<div class="separator" style="clear: both; text-align: center;">
<br /></div>
<div class="separator" style="clear: both; text-align: center;">
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<br />
BOM:<br />
<br />
<table border="1" cellpadding="0" cellspacing="0" class="MsoTableGrid" style="border-collapse: collapse; border: none; mso-border-alt: solid windowtext .5pt; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-table-layout-alt: fixed; mso-yfti-tbllook: 1184;">
<tbody>
<tr>
<td style="border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<b>Part<o:p></o:p></b></div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<b>Quantity<o:p></o:p></b></div>
</td>
<td style="border-left: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<b>Links</b> (some are affiliate
links!)</div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<span style="color: #333333; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-font-kerning: 18.0pt;">Printed
parts<o:p></o:p></span></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
1</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://www.thingiverse.com/thing:1464258" target="_blank">http://www.thingiverse.com/thing:1464258</a></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<span style="color: #333333; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-font-kerning: 18.0pt;">9,7
" Lcd-screen LP097QX1<o:p></o:p></span></div>
<div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<br /></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
1</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://s.click.aliexpress.com/e/yzFQfufqN" target="_parent">AliExpress.com - LCD Display LP097QX1</a></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<span style="color: #333333; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-font-kerning: 18.0pt;">Displayport
and Backlight driver<o:p></o:p></span></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
1</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://abusemark.com/store/index.php?main_page=product_info&products_id=47" target="_blank">http://abusemark.com/store/index.php?main_page=product_info&products_id=47</a></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<span style="color: #333333; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-font-kerning: 18.0pt;">DisplayPort
cabel<o:p></o:p></span></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
1</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=2&pub=5575160021&toolid=10001&campid=5337834226&customid=&icep_item=161773868842&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg" target="_blank">ebay DE</a><img src="http://rover.ebay.com/roverimp/1/707-53477-19255-0/1?ff3=2&pub=5575160021&toolid=10001&campid=5337834226&customid=&item=161773868842&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<span style="color: #333333; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-font-kerning: 18.0pt;">USB
cable<o:p></o:p></span></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
1</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=2&pub=5575160021&toolid=10001&campid=5337834226&customid=&icep_item=280750903222&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg" target="_blank">ebay DE</a><img src="http://rover.ebay.com/roverimp/1/707-53477-19255-0/1?ff3=2&pub=5575160021&toolid=10001&campid=5337834226&customid=&item=280750903222&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /></div>
</td>
</tr>
<tr>
<td style="border-top: none; border: solid windowtext 1.0pt; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 71.55pt;" valign="top" width="95"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<span style="color: #333333; mso-bidi-font-family: Arial; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-GB; mso-font-kerning: 18.0pt;">DIN
7991 M3x8<o:p></o:p></span></div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 61.45pt;" valign="top" width="82"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
22</div>
</td>
<td style="border-bottom: solid windowtext 1.0pt; border-left: none; border-right: solid windowtext 1.0pt; border-top: none; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; padding: 0cm 5.4pt 0cm 5.4pt; width: 331.4pt;" valign="top" width="442"><div class="MsoNormal" style="margin-bottom: 0.0001pt;">
<a href="http://rover.ebay.com/rover/1/707-53477-19255-0/1?icep_ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&icep_uq=DIN+7991+M3x8&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229487&kwid=902099&mtid=824&kw=lg" target="_self">ebay DE - DIN 7991 M3x8</a><img src="http://rover.ebay.com/roverimp/1/707-53477-19255-0/1?ff3=9&pub=5575160021&toolid=10001&campid=5337834226&customid=chaozlabs&uq=DIN+7991+M3x8&mpt=[CACHEBUSTER]" style="border: 0; margin: 0; padding: 0; text-decoration: none;" /></div>
</td>
</tr>
</tbody></table>
<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-42729684406887979522016-02-05T21:30:00.000+01:002016-02-05T21:38:34.892+01:00Building my own onewheel "skateboard"Since <a href="https://youtu.be/7Qi5snumoeY">Adam Savage from Mythbusters</a> posted his best gadgets 2015 I fall in love with the OneWheel, but oblivious I would never by one if I can make one by myself. After watching some youtube videos about it, the requirements are not that hard and this is finally the opportunity to build my own motor controller. You can watch the first parts on YouTube:<br />
<div class="separator" style="clear: both; text-align: center;">
<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/sSjI9kYWy4M/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/sSjI9kYWy4M?feature=player_embedded" width="320"></iframe></div>
Here is the CAD model.<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2TMPgt0AccvnwLhlwLOy3GpisBwugJ4iXwBi1FL9H30gtc2G6Nw0DyYwCvkB9lDDzzNW-777U0CLSpkBjiQX1zWtRGgwQy20bw1zfNhNF1V1tKF7PYdG_QG7QVTtTXp_iPcplPsAY2is/s1600/oneWheel_3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="221" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2TMPgt0AccvnwLhlwLOy3GpisBwugJ4iXwBi1FL9H30gtc2G6Nw0DyYwCvkB9lDDzzNW-777U0CLSpkBjiQX1zWtRGgwQy20bw1zfNhNF1V1tKF7PYdG_QG7QVTtTXp_iPcplPsAY2is/s400/oneWheel_3.jpg" width="400" /></a></div>
The motor sits in the tire, so I needed to design my own rim.<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://2.bp.blogspot.com/-od59wvlRzGE/VrTu9UlaCLI/AAAAAAAAiZo/_BTGBMxBOhM/s1600/oneWheel_4.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="192" src="https://2.bp.blogspot.com/-od59wvlRzGE/VrTu9UlaCLI/AAAAAAAAiZo/_BTGBMxBOhM/s400/oneWheel_4.jpg" width="400" /></a></div>
<br />
The rim half will be 3D printed, it's also a nice test how tough the prints will be. The frame is made of aluminium rods. I'm using a 250W electrical bicycle motor I got cheap on ebay.<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://3.bp.blogspot.com/-GSoYUAkvq-s/Vqs5vgdPNII/AAAAAAAAiXE/RcKDuqCYLLA/s1600/P1020893.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://3.bp.blogspot.com/-GSoYUAkvq-s/Vqs5vgdPNII/AAAAAAAAiXE/RcKDuqCYLLA/s320/P1020893.JPG" width="320" /></a></div>
To fit inside the tire I had to remove the spokes mounts, luckily we have a fablab with a late in town, so I could remove them:<br />
<div class="separator" style="clear: both; text-align: center;">
<a href="https://3.bp.blogspot.com/-Z5_IKl2W2bY/VrTvqZfr2EI/AAAAAAAAiZo/h-dKunGHdrw/s1600/late.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://3.bp.blogspot.com/-Z5_IKl2W2bY/VrTvqZfr2EI/AAAAAAAAiZo/h-dKunGHdrw/s320/late.jpg" width="320" /></a></div>
<a href="https://1.bp.blogspot.com/-Z5_IKl2W2bY/VrTvqZfr2EI/AAAAAAAAiZg/x9n48MPR0Y8/s1600/late.jpg" imageanchor="1"></a>The Motor will be mounted to the aluminium frame with some rood. I cut a thread in the center and and some counter screws sideways.<br />
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<a href="https://2.bp.blogspot.com/-L8QmznhO4Xo/Vqs56zs_buI/AAAAAAAAiXc/6zw6xVa93w0/s1600/P1020918.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://2.bp.blogspot.com/-L8QmznhO4Xo/Vqs56zs_buI/AAAAAAAAiXc/6zw6xVa93w0/s320/P1020918.JPG" width="320" /></a></div>
<a href="https://2.bp.blogspot.com/-L8QmznhO4Xo/Vqs56zs_buI/AAAAAAAAiXc/6zw6xVa93w0/s1600/P1020918.JPG" imageanchor="1"></a>I also drilled holes in the motor and mounted screws sideways to mount the 3d printed rim parts. With the basic frame completed it starts looking like something to drive with:<br />
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<a href="https://1.bp.blogspot.com/-iwYWb0JBSbc/Vqs5mHQ9hpI/AAAAAAAAiW0/AioF20MiZkI/s1600/P1020924.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://1.bp.blogspot.com/-iwYWb0JBSbc/Vqs5mHQ9hpI/AAAAAAAAiW0/AioF20MiZkI/s320/P1020924.JPG" width="320" /></a></div>
That's all for now, I keep you guy updated about the progress. And I will publish the cad, code and electronics if I'm done.
Batteries will be LiFePo4 cells, they are lightweight but high capacity and the best thing compared to normal LiPo batteries are: They can't burn ^^ As motor controller I found a interesting product called TI instaspin-FOC. I cover this topics later.
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<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-49347826839853844662015-08-23T21:10:00.000+02:002015-08-23T21:40:32.284+02:00ESP8266 in the wild, WiFi LED controller hack.Recently I found a cheap (9€) WiFi LED controller on AliExpress:<br />
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<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="float: left; margin-right: 1em; text-align: left;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhSe_BIl7M7EA7RrMUTDeIDEqZZr0ivDEoacn2kPYgiSPAheYNH3agj2OmGyUSY3mfNKRaO7f5H9DfhX7xXApNX-GyLF8MBu2kMXqdp3ZFiihwjIvyKVEYUYK6eTpotePV6nxwE7c88Se8/s1600/aliexpress.PNG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="136" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhSe_BIl7M7EA7RrMUTDeIDEqZZr0ivDEoacn2kPYgiSPAheYNH3agj2OmGyUSY3mfNKRaO7f5H9DfhX7xXApNX-GyLF8MBu2kMXqdp3ZFiihwjIvyKVEYUYK6eTpotePV6nxwE7c88Se8/s320/aliexpress.PNG" width="320" /></a></td></tr>
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<a href="http://www.aliexpress.com/item/rgbww-strip-WiFi-controller-1-port-control-200-lights-communicate-with-Android-phone-via-WLAN-to/32301423622.html" target="_blank">http://www.aliexpress.com/item/rgbww-strip-WiFi-controller-1-port-control-200-lights-communicate-with-Android-phone-via-WLAN-to/32301423622.html</a><br />
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I bought 2 because I was curious if it would be possible to hack this drivers.<br />
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Controller overview:</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2ncZ9OtMhIIHINGDWcV1cQMpNb14JZtykcVA9Arri1yjJNpnp-t1NX7cIE3W01Yrdr7hid5_TQXnkbpNhJYyTKBUXqiJCtY-Arp2pmFy9pGJT8L-OurIlEttfrbW0iB34AtVKIGQhTBE/s1600/P1020327.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj2ncZ9OtMhIIHINGDWcV1cQMpNb14JZtykcVA9Arri1yjJNpnp-t1NX7cIE3W01Yrdr7hid5_TQXnkbpNhJYyTKBUXqiJCtY-Arp2pmFy9pGJT8L-OurIlEttfrbW0iB34AtVKIGQhTBE/s400/P1020327.JPG" width="400" /></a></div>
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This pictures show the PCB. As you can see there are pins labeled as RX,TX,GND,3.3V. I simply connected an USB-Serial converter to the pins. The two other pins are GND and GPIO0. If you set a jumper between this two pins, the controller starts in bootloader mode. </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp9o37643ZOmIz06Vnl-3oANO-ZvYc90386OPoL-EvQz4g_Z4OzsLrpjTVE0ek8v8bdy0zuUGMnbw1uuqBvJz5zbvCEoDrxlZyTdtfJxQAhGxw9TvPOCIq2Ev_0yP0F-4o9oBC4GHMlXg/s1600/P1020335.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjp9o37643ZOmIz06Vnl-3oANO-ZvYc90386OPoL-EvQz4g_Z4OzsLrpjTVE0ek8v8bdy0zuUGMnbw1uuqBvJz5zbvCEoDrxlZyTdtfJxQAhGxw9TvPOCIq2Ev_0yP0F-4o9oBC4GHMlXg/s320/P1020335.JPG" width="174" /></a></div>
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The chip above is a <a href="http://www.nxp.com/documents/data_sheet/74HC_HCT245.pdf" target="_blank">NXP HC245</a>, a 3-state Octal bus transceiver. It is used to drive the N-channel MOSFETS (<a href="http://www.onsemi.com/pub_link/Collateral/NTD20N06-D.PDF" target="_blank">20N06L - 20 A, 60 V, N−Channel DPAK</a>).</div>
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The power supply is a 2 stage design. A <a href="https://www.insidegadgets.com/wp-content/uploads/2015/06/Z1212AI.pdf" target="_blank">AOZ1212 3A Simple Buck Regulator </a>to convert the input voltage to about 5V and an <a href="http://www.advanced-monolithic.com/pdf/ds1117.pdf" target="_blank">AMS1117 low dropout voltage regulator </a>to get 3.3V.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxhCmkDp1L2RAB3RybtD9va6Jw7FMnw4-CmFB11GaqJXcPU28x39ShlRu1S5RnM83NExsiPRTiAaZQfiPDZ4_bXlFZOwX76_JD-cy-PNxrgI5rSYBspswhFco3P0qdBYnmzbsUSs5M-Zs/s1600/P1020330.JPG" imageanchor="1" style="clear: right; display: inline !important; margin-bottom: 1em; margin-left: 1em; text-align: center;"><img border="0" height="193" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxhCmkDp1L2RAB3RybtD9va6Jw7FMnw4-CmFB11GaqJXcPU28x39ShlRu1S5RnM83NExsiPRTiAaZQfiPDZ4_bXlFZOwX76_JD-cy-PNxrgI5rSYBspswhFco3P0qdBYnmzbsUSs5M-Zs/s320/P1020330.JPG" width="320" /></a><br />
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The pinout for the ESP8266 is as follow (Arduino numbering)<br />
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<span style="color: #666666;"> // RGB FET<br />
redPIN 12<br />
greenPIN 13<br />
bluePIN 15<br />
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// W FET<br />
w1PIN 14<br />
w2PIN 4<br />
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// onbaord green LED D1<br />
LEDPIN 5<br />
// onbaord red LED D2<br />
LED2PIN 1<br />
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TX GPIO2 @Serial1 (Serial ONE)<br />
RX GPIO3 @Serial<br />
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Jumper closed -> start in bootloader mode on Power on.<br />
Jumper open -> start user program </span></blockquote>
I have a simple demo sketch on github:<br />
<a href="https://github.com/4ndreas/WiFI-RGBWW-module">https://github.com/4ndreas/WiFI-RGBWW-module</a><br />
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This can be controlled with <a href="http://www.openhab.org/" target="_blank">openHAB</a>.<br />
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You should also take a look at my other ESP8266 project:<br />
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com4tag:blogger.com,1999:blog-4009391794834150871.post-37483430010428179282015-01-06T14:34:00.001+01:002015-01-21T09:44:54.358+01:003D printable Robot ArmThis is the first post about my new 3D printable robot arm. It is inspired by well known industrial robots but 3D printed. The overall goal is to build a nearly entirely printable and cheap robot arm with at least 5 degrees of freedom.
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJP_V8ZcFyRm5gex5CX1X-N_9AvZEUG8XCCIaoxGfYwTfNMAwqixWPeFXW3ibgOmHR6pWn0Ihd8oep-V6Rf_9T1GwvjbZARYocGLZAM3pz-R8L1mubAj5VHmNTKXm6T1FKA1upgkhmht0/s1600/overview_preview_featured.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJP_V8ZcFyRm5gex5CX1X-N_9AvZEUG8XCCIaoxGfYwTfNMAwqixWPeFXW3ibgOmHR6pWn0Ihd8oep-V6Rf_9T1GwvjbZARYocGLZAM3pz-R8L1mubAj5VHmNTKXm6T1FKA1upgkhmht0/s400/overview_preview_featured.jpg" /></a></div>
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I'm currently done with the base section and the forearm. I plan to document this project as a video log on Youtube. </div>
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The first video is about the base section, the second about the forearm:</div>
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/XGjULACXRRQ?feature=player_embedded' frameborder='0'></iframe></div>
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Rotary plate and conclusion:<br />
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<iframe allowfullscreen='allowfullscreen' webkitallowfullscreen='webkitallowfullscreen' mozallowfullscreen='mozallowfullscreen' width='320' height='266' src='https://www.youtube.com/embed/H4VPjmx2Mjo?feature=player_embedded' frameborder='0'></iframe></div>
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I hope you excuse the video and audio quality as I'm still learning this video stuff. </div>
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Of course you can download the stl files from thingiverse:</div>
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<a href="http://www.thingiverse.com/thing:591230">http://www.thingiverse.com/thing:591230</a></div>
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<a href="http://www.thingiverse.com/thing:601036">http://www.thingiverse.com/thing:601036</a></div>
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<a href="http://www.thingiverse.com/thing:623481">http://www.thingiverse.com/thing:623481</a></div>
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The parts are completely printed in ABS. This took about a week. I used 12% 3d honeycomb infill and slic3r 1.21e. It's about 1.2kg filament. </div>
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I don't recommend printing them yet as I need different kind of motors. Steppers are not the best solution for a robot. They provide accurate movement but the torque-to-weight ratio is very bad. I will post updates with future developments. </div>
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Next up is the gripper:</div>
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Arm moving with DC-Motors:<br />
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<span style="font-size: large;">I started a hackaday.io project:</span></div>
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<a href="http://hackaday.io/project/3800-3d-printable-robot-arm"><span style="font-size: large;">http://hackaday.io/project/3800-3d-printable-robot-arm</span></a></div>
4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com2tag:blogger.com,1999:blog-4009391794834150871.post-44017579235545941242014-05-22T10:56:00.000+02:002014-05-22T17:24:36.108+02:00Building my Delta Printer<div class="separator" style="clear: both; text-align: center;">
<a href="http://3.bp.blogspot.com/-g4GzDu2Z4k0/U3ycU5DmGZI/AAAAAAAAYfk/OJ1FVZ_dwMg/s1600/DSC05456.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-g4GzDu2Z4k0/U3ycU5DmGZI/AAAAAAAAYfk/OJ1FVZ_dwMg/s1600/DSC05456.JPG" height="232" width="640" /></a></div>
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After I built three Cartesian 3d printers (<a href="http://chaozlabs.blogspot.de/2012/03/er-druckt.html">1</a>, <a href="http://chaozlabs.blogspot.de/2012/04/andis-powermendel.html">2</a>, <a href="http://chaozlabs.blogspot.de/2013/02/andreas-weberknecht.html">3</a>) I've decided to move on and go Delta. A friend of mine showed me his and he had absolutely amazing print quality. After I've seen his prints it was clear I needed a Delta 3d printer. I started the design with a hexagon base. My goal was to build a fully enclosed printer, because I want to print mostly ABS - for that you need at least an enclosure or better a heated chamber. Back in the days I was quite a name in the <a href="http://youtu.be/2D0uY_Ybkhc" target="_blank">german casemodding scene</a> and building this printer reminded me a little bit of the good old times... and so it went this direction:<br />
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<a href="http://3.bp.blogspot.com/-a7c7Hf-BTsc/U3O2gk2Ft3I/AAAAAAAAYSI/MKkgU_t2NDI/s1600/DSC05492.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-a7c7Hf-BTsc/U3O2gk2Ft3I/AAAAAAAAYSI/MKkgU_t2NDI/s1600/DSC05492.JPG" height="480" width="640" /></a></div>
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<a href="http://1.bp.blogspot.com/-5tOdTP-lcZI/U25qyEKBKYI/AAAAAAAAX-c/QuMe-5E88Jk/s1600/DSC05367.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-5tOdTP-lcZI/U25qyEKBKYI/AAAAAAAAX-c/QuMe-5E88Jk/s1600/DSC05367.JPG" height="200" width="150" /></a>
<a href="http://3.bp.blogspot.com/-xYVcF_4UI7s/U25q2JNe-JI/AAAAAAAAX-8/buAHZV79sbM/s1600/DSC05371.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-xYVcF_4UI7s/U25q2JNe-JI/AAAAAAAAX-8/buAHZV79sbM/s1600/DSC05371.JPG" height="200" width="150" /></a></div>
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For the electronic housing I was inspired by the overall hexagonic design and let my imagination go with it.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzI_ekEF7hSQKLuiRd_F4-n0m_E1E7zfCHBZTnzZLET9-LRRgUBLHozH1DTcxPYM2pDR2X9bvhuncQ3E7C2CxIbY1CRV83QhT0fT4Z6-f359fP2TtmCW08I1QrLIqNYqykR0CUpCPp_hk/s1600/DSC05221.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzI_ekEF7hSQKLuiRd_F4-n0m_E1E7zfCHBZTnzZLET9-LRRgUBLHozH1DTcxPYM2pDR2X9bvhuncQ3E7C2CxIbY1CRV83QhT0fT4Z6-f359fP2TtmCW08I1QrLIqNYqykR0CUpCPp_hk/s1600/DSC05221.JPG" height="150" width="200" /></a>
<a href="http://4.bp.blogspot.com/-OgFvdOT_bZs/U2kvqdcG0dI/AAAAAAAAXwU/kNAvxvyTaCg/s1600/DSC05247.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-OgFvdOT_bZs/U2kvqdcG0dI/AAAAAAAAXwU/kNAvxvyTaCg/s1600/DSC05247.JPG" height="200" width="150" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFq8uTfYxRJxB1z9o0acEnoT4F8cQltKkBkrPGopZPfQDP1cb0byhyphenhyphenX9UPQL76sHVG_70EJZQwSqqyfyndCwUXQ9K9Uwj12N3Ktjt3sdvR7qv-TwrQ1_AxB1JYn3QpXSfdEAFGt6Y2_xY/s1600/DSC05235.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFq8uTfYxRJxB1z9o0acEnoT4F8cQltKkBkrPGopZPfQDP1cb0byhyphenhyphenX9UPQL76sHVG_70EJZQwSqqyfyndCwUXQ9K9Uwj12N3Ktjt3sdvR7qv-TwrQ1_AxB1JYn3QpXSfdEAFGt6Y2_xY/s1600/DSC05235.JPG" height="200" width="150" /></a></div>
It became the unique design pattern from this point forward for the overall printer. It can fit a <a href="http://reprap.org/wiki/RAMPS_1.4">RAMPS</a> or a <a href="http://reprap.org/wiki/RUMBA">RUMBA</a> motherboard and provides a mount for a 80mm fan.<br />
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For the autonomous printing there is a 128x64 pixel LCD.<br />
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It also features a click encoder for menue selecting and a full sized SD-card slot. Even the filament holder is designed like that, it is also flexible to fit all kinds of spools:<br />
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I printed these parts with clear ABS and honeycomb infill. I really like the look of it and how it scatters light.<br />
I think about illuminating this, too ;)<br />
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One of the most imported parts of a delta printer are the linear guides. I got a set of three from the friend I mentioned before (the one with the delta that impressed me) for a very good price.<br />
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These high quality industry grade linear guides provide a smooth silent and clearance free movement.<br />
The drive system is pretty standard normal 200 steps/rotaion NEMA17 stepper motors and DRV8825 drivers. The belt is T2.5 and the pulleys have 16 teeth.<br />
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At the top I used opto endstops for the max length limit switches.<br />
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I planned the effector carriage to fit an <a href="http://e3d-online.com/">E3D-V5</a> hotend in it. My cooler design features one hotend fan in the front and two additional fans for print cooling.<br />
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Talking about the effector, I also added a Z-Probe for automated bed leveling:<br />
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If the probe is not used, it is stored in the upper position (left picture) and held there by a magnet. If you need the probe on the bottom surface, there is an even stronger magnet that will pull out the probe pin. The measurement is again done with an opto switch.<br />
If you are not familiar with delta calibration read these two articles:<br />
<ul>
<li><a href="http://www.repetier.com/documentation/repetier-firmware/z-probing/">Repetier Z-probing</a></li>
<li><a href="http://minow.blogspot.co.at/index.html#4918805519571907051">MY THOUGHTS ON CALIBRATING 3D DELTA PRINTERS</a></li>
</ul>
As print surface I use a special coated aluminum sheet and a 160 Watts heat pad:<br />
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The other very critical parts are the moving joints. I used<a href="http://www.igus.de/"> igubal®</a> rod end bearings with female thread,<br />
Type KBRM-03.<br />
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The arms are made of carbon fiber tubes. With JB-weld I glued a M3 stainless steal threaded rod in the tube and also a M3 nut on every end. Everything is covered by heat shrink tube: </div>
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The arms have to be very carefully aligned to avoid print issues later: </div>
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To get enough torque for the bowden extruder I used a NEMA23 stepper motor as I did with my last printer.<br />
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I had quite good experience with this design and didn't change much.<br />
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The enclosure is made of birch plywood. I used pigmented wax to get the dark color:<br />
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I really love this pigmented wax, it protects the wood without losing the wooden feel when you touch it. It is also surprisingly easy to use. You only have to apply it with a cloth wipe. It covers really homogeneous and much easier than paint. <br />
For the top surface I used the <a href="http://chaozlabs.blogspot.de/2013/04/i-needed-new-t-shirts-or-how-i-got.html">laser engraver</a> I built last year to add a nice hexagon decal, this is not only nice to look at, it really helps to cut the parts precisely.<br />
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It's quite hard to photograph because the deacels are more or less only visible under a specific angle:<br />
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I tried to engrave one before and one after waxing but the difference is minor.<br />
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The door of the enclosure is made of acrylic. This can easily bend to a needed angle with a hot air gun or a gas burner. It has to be mounted and should bend to a proper surface. I made a simple wooden form with the right angle. You can see it in the video below:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJ-1n_33pyR_LSnTOxE6iw-ZVLQh-SNrPopvL2Wd4kIqOoDyVFPqGjkICRvSjcS-lQ2ULzLw_29WJIkmxGk_5IBAS-5kr4X5Q_HzeCC_rOuGMUS59ZC6VXY4fkYJgIrNhXtnlvyhU-72Y/s1600/DSC05362.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiJ-1n_33pyR_LSnTOxE6iw-ZVLQh-SNrPopvL2Wd4kIqOoDyVFPqGjkICRvSjcS-lQ2ULzLw_29WJIkmxGk_5IBAS-5kr4X5Q_HzeCC_rOuGMUS59ZC6VXY4fkYJgIrNhXtnlvyhU-72Y/s1600/DSC05362.JPG" height="200" width="150" /></a></div>
The hinge is a piano hinge you can buy in every home store. It comes in a length of about 1,5 m and can be cut in fitting pieces. The mount threads are directly cut in the acrylic. After a week of printing I discovered some minor cracks on the surface. Carefully heating the surface again hopefully will fix this.<br />
<br />
The hole inside is covered by 2 mm thick EPDM foam rubber. It closes the gaps and looks great. I hope it absorbs the noise a little bit. The heated build plate delivers enough power to heat air inside the printer to about 45-50°C with the door closed. Since I primary print ABS it's a perfect environment.<br />
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<a href="http://3.bp.blogspot.com/-AXGEapd-BIc/U3O2VDBpGbI/AAAAAAAAYRw/vM8H62pEViE/s1600/DSC05476.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-AXGEapd-BIc/U3O2VDBpGbI/AAAAAAAAYRw/vM8H62pEViE/s1600/DSC05476.JPG" height="320" width="240" /></a>
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To illuminate the print I used normal 300 LEDs/m led stripes.<br />
For additional noise reduction I put the printer on 25mm large rubber feats:<br />
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Overall I'm very happy with the results. It's a beautiful machine and the print quality is very good. Calibration wasn't that hard. I really recommend building a delta if you already have a 3D-printer:<br />
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Here is a collection of the separate files I put to download. There are more to come but I'm still cleaning up some minor design errors:<br />
<ul>
<li><a href="http://www.thingiverse.com/thing:321948">Nema23 Bowden Extruder</a></li>
<li><a href="http://www.thingiverse.com/thing:321906">Variable with spool holder</a></li>
<li><a href="http://www.thingiverse.com/thing:338502">Hexagonic RUMBA/ RAMPS housing</a></li>
<li><a href="http://www.thingiverse.com/thing:338487">Power supply enclosure</a></li>
<li><a href="http://www.thingiverse.com/thing:338522">LCD-Mount</a></li>
<li><a href="http://www.thingiverse.com/thing:338533">e3d-v5 hotend fan </a></li>
</ul>
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My longest print until now is the rhomball form<a href="http://www.georgehart.com/rp/rp.html"> Gorge W. Hart.</a><br />
It took 36h21m and is made of "glow in the dark ABS". It has a diameter of about 18 cm and weights about 350 grams.</div>
<div>
I added some support and of course you can download it here: <a href="http://www.thingiverse.com/thing:337955">http://www.thingiverse.com/thing:337955</a></div>
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There are a million pictures of the overall build and design here: <a href="https://plus.google.com/u/0/photos/+AndreasH%C3%B6lldorfer/albums/6004342952372048977">G+ DeltaStar photos</a><br />
and pictures of my first prints here: <a href="https://plus.google.com/u/0/photos/+AndreasH%C3%B6lldorfer/albums/6011539343198429233?authkey=COOs3P-l6qii5QE">G+ DeltaStar prints</a></div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-77591067374722964222014-03-10T22:03:00.003+01:002014-03-10T22:03:58.668+01:00Public Transportation Display - LCARS style<div class="separator" style="clear: both; text-align: center;">
<a href="http://3.bp.blogspot.com/-gYPa3lRgVhA/Ux4QQAnm8sI/AAAAAAAAW10/nuTyIcSZcGw/s1600/DSC04674.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-gYPa3lRgVhA/Ux4QQAnm8sI/AAAAAAAAW10/nuTyIcSZcGw/s1600/DSC04674.JPG" height="400" width="352" /></a></div>
Last week I read this post about a <a href="http://hackaday.com/2014/03/04/public-transportation-display/">Public Transportation Display</a> and recognized this is only a few streets away from my home. And more important, I remembered I started a similar project a month ago as I discovered the web app from our local transportation office (<a href="http://live.kvv.de/">live.kvv.de</a>). If you do a proper GET request the server sends you a json file with the traffic information.<br />
My plan was to use one of my Ethernet boards I developed last year for my LED panels (I will post more about this project in a few weeks). But here is a sneak preview of the board:<br />
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<a href="http://4.bp.blogspot.com/-AwXxbExfGDY/Ux4RgXeACoI/AAAAAAAAW2o/R0blwqOIqtE/s1600/EtherCube-PinOut1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-AwXxbExfGDY/Ux4RgXeACoI/AAAAAAAAW2o/R0blwqOIqtE/s1600/EtherCube-PinOut1.jpg" height="320" width="320" /></a></div>
<ul>
<li>Powered by an Atmega 644p@20Mhz </li>
<li>ENC28J60 Ethernet controller</li>
<li>Micro SD-Card Socket</li>
<li>FTDI FT232 USB to serial converter</li>
<li>Pinheader for an HD44780 LCD Display</li>
</ul>
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After reading the mentioned hack a day post I remenbered that I had troubles to get the proper request from the webserver. This was the reason I paused the project months ago. This kicked me to investigate my error. For the network chip I used the exellent <a href="https://github.com/jcw/ethercard">EtherCard library from jeelabs</a>, but all I got was a "500 Internal Server Error" as request from the server. After hours of tracing TCP packets with wireshark I found my mistake. The default GET request function sends an </div>
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<span style="font-family: Courier New, Courier, monospace;">"Accept: text/html"</span></blockquote>
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to the sever what is nonsense if you request a json file. Due to the reason I'm not very familiar with web developing I needed some time to find this mistake. After removing the request I got the correct response from the server. All I had to do now was hacking a function to extract the data I needed and print the information to the LCD. As display I used a common HD44780 compatible 20x4 character LCD. </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaOn-QMYW9OM7HwK7HcOrPK6td1jUj6ET-BweI1vwnqtX_5BIMXVW0X-eNVQkJhqirgHZMT8iaw0B1VqkCntq9hNL8ecuTj9bAHNNK5VOZraRH9WX950rl-bUESqLoJrYrxHeA_xn2BTw/s1600/DSC04635.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaOn-QMYW9OM7HwK7HcOrPK6td1jUj6ET-BweI1vwnqtX_5BIMXVW0X-eNVQkJhqirgHZMT8iaw0B1VqkCntq9hNL8ecuTj9bAHNNK5VOZraRH9WX950rl-bUESqLoJrYrxHeA_xn2BTw/s1600/DSC04635.JPG" height="240" width="320" /></a></div>
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An hour later, the prototype was running. </div>
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I spent the rest of the weekend designing a nice case. During the last weeks I started rewatching <a href="http://www.imdb.com/title/tt0106145/">DS9</a> so it was only logical to put it in a Star Trek like case. The top panel is printed on the same drawing paper I use as mask to for PCB etching. </div>
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<a href="http://3.bp.blogspot.com/-fHZ3MOF17do/Ux4R5GgtiSI/AAAAAAAAW3c/ydDVgqL5pOo/s1600/LCARS+panel+d4.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-fHZ3MOF17do/Ux4R5GgtiSI/AAAAAAAAW3c/ydDVgqL5pOo/s1600/LCARS+panel+d4.jpg" height="320" width="320" /></a></div>
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This printed foil is covered by a 2 mm acrylic plate.</div>
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The case is of course 3d printed.<br />
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<a href="http://3.bp.blogspot.com/-s6DRS6rac6w/Ux4cEIzutnI/AAAAAAAAW4o/uFEPK9ILTuU/s1600/Vollbildaufzeichnung+10.03.2014+205222.bmp.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-s6DRS6rac6w/Ux4cEIzutnI/AAAAAAAAW4o/uFEPK9ILTuU/s1600/Vollbildaufzeichnung+10.03.2014+205222.bmp.jpg" height="150" width="200" /></a>
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<a href="http://4.bp.blogspot.com/-5MpZhPlatEc/Ux4cFvoUu2I/AAAAAAAAW44/AEYjyKERPSM/s1600/Vollbildaufzeichnung+10.03.2014+205238.bmp.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-5MpZhPlatEc/Ux4cFvoUu2I/AAAAAAAAW44/AEYjyKERPSM/s1600/Vollbildaufzeichnung+10.03.2014+205238.bmp.jpg" height="149" width="200" /></a>
<a href="http://1.bp.blogspot.com/-HRIcNMoWzoA/Ux4cGZmC9nI/AAAAAAAAW5A/6XYr51zmYPM/s1600/Vollbildaufzeichnung+10.03.2014+205246.bmp.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-HRIcNMoWzoA/Ux4cGZmC9nI/AAAAAAAAW5A/6XYr51zmYPM/s1600/Vollbildaufzeichnung+10.03.2014+205246.bmp.jpg" height="150" width="200" /></a></div>
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The outer frame can be snapped over the inner case and no screws are needed from the outside:<br />
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<a href="http://2.bp.blogspot.com/-ttBaWEczGeM/Ux4ZBUUTWqI/AAAAAAAAW4E/i8NECN0RG1I/s1600/DSC04637.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/-ttBaWEczGeM/Ux4ZBUUTWqI/AAAAAAAAW4E/i8NECN0RG1I/s1600/DSC04637.JPG" height="240" width="320" /></a></div>
As you can see there are holes for buttons. In the future I hope to get some <a href="http://www.atmel.com/products/TouchSolutions/touchsoftware/default.aspx">QTouch</a> buttons working under the acrylic top. But it seems not so easy to get it working besides the Arduino framework - any suggestions? Please tell me.<br />
<br />
The Arduino code is quite a mess, if you like to have a look: <a href="https://dl.dropboxusercontent.com/u/1116168/PTS_Display.ino">PTS_Display.ino</a><br />
And some more pictures: (I have to work on the cable routing)<br />
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-29245471226521621372014-02-21T22:31:00.002+01:002014-02-24T17:31:14.090+01:00The SoundCube<div class="separator" style="clear: both; text-align: center;">
<a href="http://4.bp.blogspot.com/-Kq-02c8hrhI/UIQHXrKcRYI/AAAAAAAAPIg/K6S5ofhXmcA/s1600/DSC02750.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-Kq-02c8hrhI/UIQHXrKcRYI/AAAAAAAAPIg/K6S5ofhXmcA/s400/DSC02750.JPG" height="480" width="640" /></a></div>
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Finally I've got some time to write about a project I finished nearly two years ago. It's a portable music box and it's also a Companion Cube. </div>
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It's created to supply your weekend with your favorite sound and your gadgets with power.</div>
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The key features are: </div>
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Speakers:</div>
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</div>
<ul>
<li>4x Alpine SXE-1725S</li>
</ul>
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Amplifier:</div>
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</div>
<ul>
<li>TDA7318 - DIGITAL CONTROLLED STEREO AUDIO PROCESSOR</li>
<li>TDA7560 - 4 x 45W QUAD BRIDGE CAR RADIO AMPLIFIER</li>
<li>Arduino Mega with 3,5" Touchscreen for volume control and input selection.</li>
<li>BELKIN F8Z492CW - Bluetooth Music Receiver</li>
</ul>
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Power supply:</div>
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</div>
<ul>
<li>two 12V 7,2Ah Sealed Lead-Acid-Batteries (<a href="http://www.panasonic.com/industrial/includes/pdf/Panasonic_VRLA_LC-P127R2P.pdf">Panasonic LC-P127R2P</a>)</li>
</ul>
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At the top there are two USB ports to charge mobile devices and two 12V car power sockets for additional gadgets. </div>
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To get your music to the speakers there are two channels with analog jacks or you can do it via Bluetooth. </div>
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The audio amp has two parts: the main amp and the digital audio processor. This digital audio processor is controlled via i2c which is done by the Arduino Mega. Well yes, this is a little bit over-engineered but works fine. </div>
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I put the code on github: <a href="https://github.com/4ndreas/SoundCube">https://github.com/4ndreas/SoundCube</a></div>
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The speaker grills are of course 3D printed, as well as the mounts for the electronics. </div>
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Even though this is an older project I've collected some experience in the field. The battery runs for at least a full weekend. The sound quality is more than satisfying for this purpose. The only drawback is the weight if you have to carry it to your favorite spot. </div>
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I've got a lot of additional pictures from constructing the wooden frame:</div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-6084494622925876402014-02-21T22:31:00.001+01:002014-02-24T17:31:02.401+01:00Building the SoundCube<div class="separator" style="clear: both; text-align: center;">
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This post contains a lot of pictures from making of the <a href="http://chaozlabs.blogspot.com/2014/02/the-soundcube.html">SoundCube</a>.</div>
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Perfect Summerteam:</div>
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<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-15432075714903545722013-09-26T19:07:00.000+02:002013-09-26T19:07:33.612+02:00Expedit Coffee Bar<div class="separator" style="clear: both; text-align: center;">
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As the title implies, this is a simple mod to create a small coffee bar out of an Ikea Expedit rack.<br />
I covered the desk with an 1 mm aluminium sheet, also the border is enhanced with an rectangular aluminium stripe. Everything is glued directly to the rack's surface in order to avoid screw holes.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYm_3sZvRQVY1olQmFIvu9IM7vIOVY2d5b5bo1PdowltuB4v8nSAcBVvcHvhDnqJQfFC-BIG02gJJl_xs3fT7bNWphHAPJorT2jfk6JiIFx1rfPsb8I0Nz8dmZwe3iJR62zqySkGQ5Qag/s1600/2013-09-26+16.50.43.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYm_3sZvRQVY1olQmFIvu9IM7vIOVY2d5b5bo1PdowltuB4v8nSAcBVvcHvhDnqJQfFC-BIG02gJJl_xs3fT7bNWphHAPJorT2jfk6JiIFx1rfPsb8I0Nz8dmZwe3iJR62zqySkGQ5Qag/s200/2013-09-26+16.50.43.jpg" width="200" /></a><a href="http://3.bp.blogspot.com/-2p72oXLC8ok/UkRKFPF-LrI/AAAAAAAATu8/PVPOj7F2H9U/s1600/DSC03695.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://3.bp.blogspot.com/-2p72oXLC8ok/UkRKFPF-LrI/AAAAAAAATu8/PVPOj7F2H9U/s200/DSC03695.JPG" width="200" /></a></div>
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The coffee maker is placed on a more ergonomic level. The stainless steal parts are also from Ikea (<a href="http://www.ikea.com/de/de/catalog/products/40051196/">CAPITA</a>) .</div>
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The lighting is made of an acrylic white plastic and a RGB led stripe. I bought 4 pieces of wood in the local home store, already cut to 33,5x33,5cm. I used my jigsaw to cut holes in each one, glued the LEDs to the wood using hot glue and assembled everything.</div>
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<a href="http://4.bp.blogspot.com/-kdKEFuhZv30/UZiIPTtokFI/AAAAAAAAS6s/6j4vOH0J1L0/s1600/DSC03699.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://4.bp.blogspot.com/-kdKEFuhZv30/UZiIPTtokFI/AAAAAAAAS6s/6j4vOH0J1L0/s200/DSC03699.JPG" width="200" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgemzXuO4BliRC0-P23NyAseiKfqQbVjXMY3TPaNIr5qR5RDaGqaz3faLOuglC4hE5R6jEH46QuBXolTmLOhJPey02we7zrc5szCxov4gY7GWXB6nZq2I35BBGr1ps-2MBYvCLD4_r8IxM/s1600/2013-05-11+20.49.30.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgemzXuO4BliRC0-P23NyAseiKfqQbVjXMY3TPaNIr5qR5RDaGqaz3faLOuglC4hE5R6jEH46QuBXolTmLOhJPey02we7zrc5szCxov4gY7GWXB6nZq2I35BBGr1ps-2MBYvCLD4_r8IxM/s200/2013-05-11+20.49.30.jpg" width="200" /></a></div>
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I used a self designed controller for the LED stripes. It is based on an ATMega8, and can drive 5-LED stripes. The firmware supports an 8-bit PWM on every channel. To control the lights remotely and changing the lighting mode I used an infrared receiver. </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2dThGB8uMh6mv9wnLAX-Sn-J_vVyyTkdW7dMJ5THwtaympn2EFMcEvIc3B24bAxvH3KUmQlhkM0T4W6h4ez8I0YI9QcMR3QiJJSusxR5ZPox2DBuk8-juQYvpEal8h6mWa455PfqrXxM/s1600/Light_Hub.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="295" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2dThGB8uMh6mv9wnLAX-Sn-J_vVyyTkdW7dMJ5THwtaympn2EFMcEvIc3B24bAxvH3KUmQlhkM0T4W6h4ez8I0YI9QcMR3QiJJSusxR5ZPox2DBuk8-juQYvpEal8h6mWa455PfqrXxM/s320/Light_Hub.png" width="320" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhSC0EEx5sYfuM-Ngn4gezENwnk1qf9coAB6GQYlrLJuH_ssC9WS4AHrwU0f7SnxFunu1ZhFd_IuyL2zHxmjES3HwkoeBVMGtLIPtUrogCwgwrq_rSnjMyG1rE3bHk1SdOS2ZaTUyJgleM/s1600/DSC03882.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhSC0EEx5sYfuM-Ngn4gezENwnk1qf9coAB6GQYlrLJuH_ssC9WS4AHrwU0f7SnxFunu1ZhFd_IuyL2zHxmjES3HwkoeBVMGtLIPtUrogCwgwrq_rSnjMyG1rE3bHk1SdOS2ZaTUyJgleM/s320/DSC03882.JPG" width="320" /></a></div>
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This shows my test and development board. </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_Vlzu8aq8PvT7G44dnvkjDQoJ93utfiAM9pFnbqe-r3OU_E9f2dUO7XuPtdvJ4Vkk4SpGVOppd3D3m1PbsbYkm3ttaIRqVEAUG53JGnAmWmW-GBF4BmpFEWDUZThlLol6asN4Ll8Zrh4/s1600/DSC_0963.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_Vlzu8aq8PvT7G44dnvkjDQoJ93utfiAM9pFnbqe-r3OU_E9f2dUO7XuPtdvJ4Vkk4SpGVOppd3D3m1PbsbYkm3ttaIRqVEAUG53JGnAmWmW-GBF4BmpFEWDUZThlLol6asN4Ll8Zrh4/s320/DSC_0963.jpg" width="320" /></a></div>
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<a href="http://2.bp.blogspot.com/-NEyEly-Ae4I/UkRPF0fRUcI/AAAAAAAATwE/o4Qr0l6Fx7Y/s1600/DSC03879+-+Kopie.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="152" src="http://2.bp.blogspot.com/-NEyEly-Ae4I/UkRPF0fRUcI/AAAAAAAATwE/o4Qr0l6Fx7Y/s320/DSC03879+-+Kopie.JPG" width="320" /></a></div>
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I used n-channel MOSFETs for switching the led stripes to reduce the voltage drop and to increase the efficiency of the board.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBAX3S3uKQFndrza0Bl_qCN6-umgAKuu0Fe7pIPeGB5-yus1jG_awbuEPeixEuRXV9VPPXqH3A3nWdUfPHByIjoPYeXkKz-uPT6VlvU7hmKmqvBuyTErU_4JEW5Wv3dtqgdFywFDOixG4/s1600/DSC_0869.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBAX3S3uKQFndrza0Bl_qCN6-umgAKuu0Fe7pIPeGB5-yus1jG_awbuEPeixEuRXV9VPPXqH3A3nWdUfPHByIjoPYeXkKz-uPT6VlvU7hmKmqvBuyTErU_4JEW5Wv3dtqgdFywFDOixG4/s320/DSC_0869.jpg" width="320" /></a></div>
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This picture shows the controller (and some other boards) after etching. </div>
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To decode the IR-signals I used the great <a href="http://www.mikrocontroller.net/articles/IRMP">Infrarot-Multiprotokoll-Decoder (IRMP)</a> library from mikrocontroller.net.<br />
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This is a demo of my new ethernet Arduino board I'm developing. I attached an IR-LED to the board and wrote a little program with buttons to change the colors. The windows program sends an UDP-package to the Arduino board which generates the IR signal. The LED controller receives the IR signal and sets up the light correctly.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaCOec1u5bYF4i8tOmV0WXH8NYk1QmMkKmDAjRZVMmlmWg8NJWldwXKE7UkfzouEHWRqgJ1M4gGp8wkn2ZJDXqmkU3TuVF7LbHc0sJid4cawtbv_Oo9AI821Yz0f786j5_Rg-5gkSOFgo/s1600/MOV_0959.mp4" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhaCOec1u5bYF4i8tOmV0WXH8NYk1QmMkKmDAjRZVMmlmWg8NJWldwXKE7UkfzouEHWRqgJ1M4gGp8wkn2ZJDXqmkU3TuVF7LbHc0sJid4cawtbv_Oo9AI821Yz0f786j5_Rg-5gkSOFgo/s320/MOV_0959.mp4" width="320" /></a></div>
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In the future I plan to develop an Android app to switch the lights. </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-WqERnz3-jjEsf_hNIfn7v2SAK0BYHB3qqc92NmNawBnlMTml6fd3Wy0_tiN60D3eB3TQf-se8wSntV4pE2xikRY-yxcIl9jc86rLVgZ4Ram6drpY5-S7bng5A96rRFXBDKK_qZHodx4/s1600/DSC04098.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh-WqERnz3-jjEsf_hNIfn7v2SAK0BYHB3qqc92NmNawBnlMTml6fd3Wy0_tiN60D3eB3TQf-se8wSntV4pE2xikRY-yxcIl9jc86rLVgZ4Ram6drpY5-S7bng5A96rRFXBDKK_qZHodx4/s200/DSC04098.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCy4TyXNUUfbFkP4YkFU4oGhtyIHMYm_SGJEgoWpqicMBtvYekRC3dg-7uIvd0GqAvEWdm3VTvcr4LhbJRmfX4A0f9wuFDx8qxva-GYgi-61OCA4gOVSEvt6qhaj2WSKTYRE1d4q-UTHg/s1600/DSC04100.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCy4TyXNUUfbFkP4YkFU4oGhtyIHMYm_SGJEgoWpqicMBtvYekRC3dg-7uIvd0GqAvEWdm3VTvcr4LhbJRmfX4A0f9wuFDx8qxva-GYgi-61OCA4gOVSEvt6qhaj2WSKTYRE1d4q-UTHg/s200/DSC04100.JPG" width="150" /></a></div>
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The final installation is not very spectacular. As power supply I used an XBOX 360 HD-DVD drive AC adapter, which was left from salvaging the blue laser diode years ago.</div>
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As usual you can download the board files form thingiverse:<br />
<a href="http://www.thingiverse.com/thing:156555"><span style="font-size: large;">http://www.thingiverse.com/thing:156555</span></a><br />
<a name='more'></a>Just some pictures.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-Yg-AY-lEhuViGSOz-0ySh1Hw6CRZYAQ5hkcrrB8Flyh3UtS9xzt90gNxlbOpMPtV4KfYrSeK9FEKrTudOCmgiXRXV2Z1GvRgJl3VyarxZHpvz6tF1aiNimfMdy1VZ1aj1PuGd8Pv69g/s1600/DSC03715.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-Yg-AY-lEhuViGSOz-0ySh1Hw6CRZYAQ5hkcrrB8Flyh3UtS9xzt90gNxlbOpMPtV4KfYrSeK9FEKrTudOCmgiXRXV2Z1GvRgJl3VyarxZHpvz6tF1aiNimfMdy1VZ1aj1PuGd8Pv69g/s320/DSC03715.JPG" width="320" /></a>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-45535112914629916442013-09-08T19:58:00.000+02:002014-02-21T22:20:23.245+01:00Building a small (Gaming-) KeyPad for StarCraft 2<div class="separator" style="clear: both; text-align: left;">
A month ago or so I started playing StarCraft 2 again. I'm not really good at it, actually, but it's fun to play with my friends. I've never ever got used to the hotkeys, most of my refuse to practice. As an engineer I've tried to solve problems by creating tools, not to practice stupid routines. The grind hotkey system seems a good idea, but it if you think about it, there is a serious design fault. As a right-handed person you have to use the left hand for the hotkeys. The grid on the screen is on the right side and the most used keys are on the left. This means you have to use your little finger for the most common actions - that's not very comfortable. </div>
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Another thing is that switching between right and left shift is not very intuitive. </div>
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My idea was to mirror the grid on a special keypad. Mostly, you think from the middle of your view to the outside. The same is true for your hands. The index finger means center, the little finger is your outer side. </div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZRPQN8QJVr-lZlN5_xxQLjOTg8SzrQZ7hvhKfOBc_wGR4-YXUK6Rw1R3HOfiZYaInBBUX0ggyjZCeDkSYsbreW6vSSiywrHSivobMpLekiBFxdlppiY4uTFviMyIJPP75LYQN9cuxthY/s1600/Screenshot2013-09-08+17_18_08_Gem%25C3%25A4lde.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZRPQN8QJVr-lZlN5_xxQLjOTg8SzrQZ7hvhKfOBc_wGR4-YXUK6Rw1R3HOfiZYaInBBUX0ggyjZCeDkSYsbreW6vSSiywrHSivobMpLekiBFxdlppiY4uTFviMyIJPP75LYQN9cuxthY/s320/Screenshot2013-09-08+17_18_08_Gem%25C3%25A4lde.JPG" height="180" width="320" /></a></div>
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It's totally stupid to shift the hole grid to the left.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-wlxgLmxnoI8KdDKdmQ01IxsGP5ZjMBrlFHTty3VRUGs4iOYTiKbbJODP7lGExKoCbM2my97WXOQIQZaw6u_Hhi1BAAZgTIqty6y8e1_FMF8dIlTlNozIbr7z_ho1F9IU2KSJM3SobQM/s1600/Screenshot2013-09-08+17_10_09.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-wlxgLmxnoI8KdDKdmQ01IxsGP5ZjMBrlFHTty3VRUGs4iOYTiKbbJODP7lGExKoCbM2my97WXOQIQZaw6u_Hhi1BAAZgTIqty6y8e1_FMF8dIlTlNozIbr7z_ho1F9IU2KSJM3SobQM/s320/Screenshot2013-09-08+17_10_09.jpg" height="180" width="320" /></a></div>
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For the brain (at least for mine) it's much easier to mirror the action, because we are always thinking from the center of our view to the left and the right side. </div>
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After thinking about this I wanted to try it. So I decided to build a programmable mini keyboard. And this is the result:</div>
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<a href="http://3.bp.blogspot.com/-y0MDVA1zRwc/UixPDbOOORI/AAAAAAAAThg/H6x8eVDfoyY/s1600/Vollbildaufzeichnung+08.09.2013+121824.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-y0MDVA1zRwc/UixPDbOOORI/AAAAAAAAThg/H6x8eVDfoyY/s320/Vollbildaufzeichnung+08.09.2013+121824.jpg" /></a>
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First I salvaged some old Cherry-MX keys from an old keyboard. This was indeed cheaper than buying the buttons.</div>
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The case is fully 3D printed. The cover for the electronics is made of carbon, I personally like the way it looks. I even added folding feet to change the angle of the keypad.</div>
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For the future I plan to paint the buttons with somekind of rubber paint, called "<a href="http://www.plastidip-shop.de/">PLASTI DIP</a>". Thats a rubber like paint witch give the surface a very good grip.</div>
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The design is a simple matrix. Because this is a "gaming" device, every single button should be pressed at the same time. This means you need a diode for every button.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3IaM-d5jsk7MOo-m52r7X6atf1iSNQI6KXDc6KtkYZp0NDmhze1Tx1tg82BjCNcIIYkwIXiN2rg1qHiavEZXi9w6ECMDL9fhCbO6fvnDouQJkV8wx1qjp7DinYjrdc1PgYD8Czk66-V4/s1600/Vollbildaufzeichnung+08.09.2013+161731.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi3IaM-d5jsk7MOo-m52r7X6atf1iSNQI6KXDc6KtkYZp0NDmhze1Tx1tg82BjCNcIIYkwIXiN2rg1qHiavEZXi9w6ECMDL9fhCbO6fvnDouQJkV8wx1qjp7DinYjrdc1PgYD8Czk66-V4/s400/Vollbildaufzeichnung+08.09.2013+161731.jpg" height="136" width="400" /></a></div>
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<a href="http://1.bp.blogspot.com/-KZTjbtpdE3M/UiyHVoqvIYI/AAAAAAAATkA/hx82AFwUEGQ/s1600/Vollbildaufzeichnung+08.09.2013+161823.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://1.bp.blogspot.com/-KZTjbtpdE3M/UiyHVoqvIYI/AAAAAAAATkA/hx82AFwUEGQ/s400/Vollbildaufzeichnung+08.09.2013+161823.jpg" height="96" width="400" /></a></div>
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I used six of these PCB slices for the buttons, the last two rows are a little bit different, due to the different size of the key caps, though electrically the same.</div>
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The finished button matrix: </div>
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Due to the fact the SMD-Diodes didn't arrive at time, I've soldered the normal ones out of my personal stock in. It's always a good idea to buy at least 100 pieces of the most used common parts. </div>
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This shows the overall wiring of the button matrix and the USB-controller board:</div>
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<a href="http://2.bp.blogspot.com/-Q5QtQpRXsVw/UjFyqg2xlSI/AAAAAAAATmk/RTQ_F7gInA0/s1600/wiring_.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://2.bp.blogspot.com/-Q5QtQpRXsVw/UjFyqg2xlSI/AAAAAAAATmk/RTQ_F7gInA0/s640/wiring_.jpg" height="460" width="640" /></a></div>
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The thing is powered by an ATmega8U2. These little guys come with a preprogrammed DFU bootloader. To use it as a HID-Device I used the <a href="http://www.fourwalledcubicle.com/LUFA.php">LUFA-USB Framework.</a> I just had to edit the Keyboard Demo a little bit. Unfortunately the Atmega8U2 has only 8kB of flash. The preprogrammed bootloader uses already 4kB and the USB stack another 3, there is not much left, but enough. Originally I planned to add a virtual serial port to edit the keyboard layout, but after adding the keyboard functions I have only less than 400 Bytes left and I'm not sure if this is enough. </div>
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For now if I hold the upper left key pressed while plugging it in, the original Atmel bootloader comes up and I can flash it with the <a href="http://www.atmel.com/tools/FLIP.aspx">FLIP-Programmer</a>. This can be done by an easy jump:</div>
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<pre style="line-height: 125%; margin: 0;"><span style="color: #333399; font-weight: bold;">void</span> (<span style="color: #333333;">*</span>bootloader)( <span style="color: #333399; font-weight: bold;">void</span> ) <span style="color: #333333;">=</span> <span style="color: #005588; font-weight: bold;">0x0800</span>; <span style="color: #888888;">// Address is in Words not Byte !!!!</span>
<span style="color: #333399; font-weight: bold;">void</span> <span style="color: #0066bb; font-weight: bold;">BootloaderCheck</span>(<span style="color: #333399; font-weight: bold;">void</span>)
{
readButtons();
<span style="color: #008800; font-weight: bold;">if</span> (BootButton)
{
bootloader();
}
}
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I thought this would be interesting because I did't find so much about how to use the the bootloader of the ATmega8u2 and I tried a lot until I got it to work.</div>
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The keyboard layout can be easily edited by changing the values in the array:</div>
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<pre style="line-height: 125%; margin: 0;"><span style="color: #b00040;">uint8_t</span> KeyTable[<span style="color: #666666;">6</span>][<span style="color: #666666;">6</span>] <span style="color: #666666;">=</span> {
{HID_SC_0, HID_SC_9, HID_SC_8, HID_SC_7, HID_SC_6, HID_SC_ESCAPE},
{HID_SC_1, HID_SC_2, HID_SC_3, HID_SC_4, HID_SC_5, HID_MO_LEFTALT },
{HID_SC_T, HID_SC_R, HID_SC_E, HID_SC_W, HID_SC_Q, HID_SC_TAB },
{HID_SC_G, HID_SC_F, HID_SC_D, HID_SC_S, HID_SC_A, HID_SC_BACKSPACE},
{HID_SC_B, HID_SC_V, HID_SC_C, HID_SC_X, HID_SC_Z, HID_MO_LEFTSHIFT},
{<span style="color: #666666;">0x00</span>, <span style="color: #666666;">0x00</span>, <span style="color: #666666;">0x00</span>, <span style="color: #666666;">0x00</span>, HID_SC_SPACE, HID_MO_LEFTCTRL}
};
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<h3>
Conclusion:</h3>
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Back to the original intention: playing StarCraft 2. I played some games with it and you learn using the hotkeys incredibly fast. As I thought the mirrored grid is very intuitive. You don't have to move the hand as much as if you use the normal hotkeys and with the two rows of numbers, every short group is easily reachable. The rectilinear grid of the buttons is more ergonomical than I thought. </div>
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Over all I like it (and it was fun to build a keyboard ;) ), even there is now a little space problem on my desk:</div>
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I put the 3D-Files, the PCB and the Sources on thingiverse:</div>
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<span style="font-size: large;"><a href="http://www.thingiverse.com/thing:148054">http://www.thingiverse.com/thing:148054</a></span></div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com1tag:blogger.com,1999:blog-4009391794834150871.post-19855356209473374522013-06-07T21:04:00.000+02:002013-06-13T14:27:42.358+02:00My new LaserCutter (technical details) A lot of people asked me about additional information about my laser cutter project.<br />
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<a href="http://3.bp.blogspot.com/-utpfbyljRUw/UYK_DGmmO5I/AAAAAAAASVU/1zGBBsVIPjg/s1600/Vollbildaufzeichnung+02.05.2013+213014.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="142" src="http://3.bp.blogspot.com/-utpfbyljRUw/UYK_DGmmO5I/AAAAAAAASVU/1zGBBsVIPjg/s400/Vollbildaufzeichnung+02.05.2013+213014.jpg" width="400" /></a></div>
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The Laser Driver, is based on the <a href="http://www.repairfaq.org/sam/laserdps.htm">A 1 MHz Analog Laser Modulator Based On LM317 Regulator</a>. I planned to build a <a href="http://www.das-labor.org/wiki/LaserExposer#Hardware">Laser PCB Exposer like this one.</a> But after some calculations I was not longer convinced that it would provide satisfying results in resolution and usability. I canceled the project and the laser with driver was unused for more than a year.<br />
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<a href="http://3.bp.blogspot.com/-cqwa3QAdBrc/UYK_ERep72I/AAAAAAAASVc/omE4X-Qf3Cc/s1600/Vollbildaufzeichnung+02.05.2013+213046.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="http://3.bp.blogspot.com/-cqwa3QAdBrc/UYK_ERep72I/AAAAAAAASVc/omE4X-Qf3Cc/s200/Vollbildaufzeichnung+02.05.2013+213046.jpg" width="158" /></a></div>
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However, the driver has some serious disadvantages for this use case.<br />
First of all, if the Atmega (Arduino) is booting up, all pins are high-Z - this is enough to power the laser, not on full current but it is damned bright. I highly recommend to build another driver from Sam's page. The analog modulation is not necessary, neither is the switching time.<br />
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Secondly, a current monitoring by the Arduino would be nice maybe even current controlling. I think this is worth to invest some time in.<br />
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Thirdly, no emergency switch-off or at least a second enable pin.<br />
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The Laser itself is a 445nm Diode I've purchased for about 50€. It was labeled 1000mW, but I don't believe it will run this long on that power output.<br />
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Now to the mechanical part. I don't feel comfortable by releasing the complete design because I'm not happy with it. It was very quickly done and has a lot of disadvantages. The worst part is the swinging of the Y-axis.<br />
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I think, a possible solution is a second belt, but this increases the cost and complexity of the device.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpTHHJlQWeVlLEaj4tUuv7dr97mQpwmtngT-6aIC_lffSj2bSdnNbtz27fUocPqW3NedkJx2BYa79HqWSNTwCG4bXFYRMUeSmWB-lERh5IAdiK_lRlP-4uhFrTiAO1PNvAw_wY6jSqGOY/s1600/LaserCutter_3.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="217" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjpTHHJlQWeVlLEaj4tUuv7dr97mQpwmtngT-6aIC_lffSj2bSdnNbtz27fUocPqW3NedkJx2BYa79HqWSNTwCG4bXFYRMUeSmWB-lERh5IAdiK_lRlP-4uhFrTiAO1PNvAw_wY6jSqGOY/s400/LaserCutter_3.jpg" width="400" /></a></div>
The belts are just fixed with cable ties and some other nasty hacks. If you really want the design, email me and I will send you the files.<br />
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I used <a href="http://reprap.org/wiki/Portable_Skeinforge">Skeinforge</a> to generate the G-Code.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgislu2aWoIScULWziMVmow5q4Sd84UFGoZVM7nSffV7_tUD_xspkPtcOCsXboDFtcC-RigAvLngAJ7vVaBKMwcR6uBMNtmQhtebYsgMFlQxmxif2NPQ70VpUagSVn1A0nI7th6UoLqwp8/s1600/skeinforge.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgislu2aWoIScULWziMVmow5q4Sd84UFGoZVM7nSffV7_tUD_xspkPtcOCsXboDFtcC-RigAvLngAJ7vVaBKMwcR6uBMNtmQhtebYsgMFlQxmxif2NPQ70VpUagSVn1A0nI7th6UoLqwp8/s400/skeinforge.jpg" width="400" /></a></div>
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I added a M103 to turn off the laser and a M101 for turning it on. So you have to add these two commands in the Commands.cpp file of the firmware:<br />
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<pre style="line-height: 125%; margin: 0;"> <span style="color: green; font-weight: bold;">case</span> <span style="color: #0000d0; font-weight: bold;">101</span>: <span style="color: grey;">// M101 Laser ON</span>
wait_until_end_of_move();
digitalWrite(<span style="color: #0000d0; font-weight: bold;">5</span>, HIGH);
codenum <span style="color: #303030;">=</span> <span style="color: #0000d0; font-weight: bold;">100</span>; <span style="color: grey;">// Wait vor 100ms for the Laser to burn though the material.</span>
codenum <span style="color: #303030;">+=</span> millis(); <span style="color: grey;">// keep track of when we started waiting</span>
<span style="color: green; font-weight: bold;">while</span>((<span style="color: #303090; font-weight: bold;">unsigned</span> <span style="color: #303090; font-weight: bold;">long</span>)(codenum<span style="color: #303030;">-</span>millis()) <span style="color: #303030;"><</span> <span style="color: #0000d0; font-weight: bold;">2000000000</span> ){
gcode_read_serial();
check_periodical();
}
<span style="color: green; font-weight: bold;">break</span>;
<span style="color: green; font-weight: bold;">case</span> <span style="color: #0000d0; font-weight: bold;">103</span>: <span style="color: grey;">// M103 Laser OFF</span>
wait_until_end_of_move();
digitalWrite(<span style="color: #0000d0; font-weight: bold;">5</span>, LOW);
<span style="color: green; font-weight: bold;">break</span>;
</pre>
</div>
<br />
I hope some of you found parts of this entry useful.<br />
<br />
<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com4tag:blogger.com,1999:blog-4009391794834150871.post-20771955140884381192013-04-25T21:29:00.002+02:002013-06-11T00:11:19.606+02:00I needed new T-Shirts - or: How I got a Laser-cutter.<br />
Last week, spring finally arrived in Germany and I realized I need new t-shirts. The new Iron Man film is only days away, so it's time to upgrade the Arc. Short thought, I could make them like I did last year.<br />
Ain't nobody got time for that.<br />
And cutting the stencil by hand sucks! So a quick look in the "junk" boxes where I collect all the electronic parts I used or bought for my projects - yeah I have everything to build a Laser-cutter!!!!! A 1 Watts blue laser diode will be enough to cut through a thin plastic sheet, that's all I need. Everything else is routine. Designing a simple XY-Stage took only one evening, printing the parts took another.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZY0sAq88jicKOSgKavKty0c9jRKUY6BYvmujaaJAGxDXoN_bvsmL8U5f5LARFGhayxBR7V23Ce53RSJe10HEm54Rs8d76YD_gED5dAe1tfU3gdu74WvE_DuSZT-b0jK0qIC1f019Cu84/s1600/LaserCutter.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="174" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZY0sAq88jicKOSgKavKty0c9jRKUY6BYvmujaaJAGxDXoN_bvsmL8U5f5LARFGhayxBR7V23Ce53RSJe10HEm54Rs8d76YD_gED5dAe1tfU3gdu74WvE_DuSZT-b0jK0qIC1f019Cu84/s320/LaserCutter.jpg" width="320" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4neqJ86Scamo6MthcwF3g2yOgmhPRCuOVg1GY40Ul7RLZ5GDODANWuumEbjeaye77dWqKI5mCUBhfzYB-pThhR4MBdDzQNJmGUzW4TeF31WOLrIVC6FkJApGbip94WDmPQo4EvWOQGPM/s1600/DSC03638.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4neqJ86Scamo6MthcwF3g2yOgmhPRCuOVg1GY40Ul7RLZ5GDODANWuumEbjeaye77dWqKI5mCUBhfzYB-pThhR4MBdDzQNJmGUzW4TeF31WOLrIVC6FkJApGbip94WDmPQo4EvWOQGPM/s320/DSC03638.JPG" width="320" /></a></div>
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<br />
The funniest part, the assembly, unfortunately took only half a day.<br />
As controller an old <a href="http://reprap.org/wiki/Generation_6_Electronics">Gen6 RepRap motherboard</a> will do the job. I used it for my first 3D-Printer but without heated bead and fan support it got replaced by a Ramps1.4 on the second one. Some little adjustments to the firmware <a href="http://www.repetier.com/">(Repetier FW)</a> and the first results are very promising:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQP6dmRsYJ4bOBO0NfFzhMLWQLdw61jjTMb8VyQTTzlTkhJNJULm0k_nyiSCRd9RvO1c-G97uG0fNyGEz5osOMkggBXfbXuHjnCMwjyXNcIn_R5ONy2hf37-_t4QYP7zJQBuqHTMp-eJU/s1600/DSC03645.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQP6dmRsYJ4bOBO0NfFzhMLWQLdw61jjTMb8VyQTTzlTkhJNJULm0k_nyiSCRd9RvO1c-G97uG0fNyGEz5osOMkggBXfbXuHjnCMwjyXNcIn_R5ONy2hf37-_t4QYP7zJQBuqHTMp-eJU/s200/DSC03645.JPG" width="200" /></a>
<a href="http://3.bp.blogspot.com/-ubfvVjfWJoo/UXfWXjcm9BI/AAAAAAAASFU/byUeJKdLSxw/s1600/DSC03644.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://3.bp.blogspot.com/-ubfvVjfWJoo/UXfWXjcm9BI/AAAAAAAASFU/byUeJKdLSxw/s200/DSC03644.JPG" width="200" /></a>
<a href="http://1.bp.blogspot.com/-5H7cCeV9ezU/UXfWf77IoaI/AAAAAAAASFs/pDJdWup3RjE/s1600/DSC03634.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://1.bp.blogspot.com/-5H7cCeV9ezU/UXfWf77IoaI/AAAAAAAASFs/pDJdWup3RjE/s200/DSC03634.JPG" width="200" /></a></div>
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Finding good cheap materials to make the stencils of was a little difficult. After some failures I found the perfect one:<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgaRxN3JovOo2wiRdJ2pKUh8WIgnLR_naj5vrut6iIfYzlOlyEMCiIzYqxh7vmNf0GAGdOdxtGYYj5g3M0_3sUNb2NRolQOQ67tuPD9eS16GyVC974jD7BX-7Wrc_tv7TFnhZVfsA_n2v4/s1600/DSC03664.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgaRxN3JovOo2wiRdJ2pKUh8WIgnLR_naj5vrut6iIfYzlOlyEMCiIzYqxh7vmNf0GAGdOdxtGYYj5g3M0_3sUNb2NRolQOQ67tuPD9eS16GyVC974jD7BX-7Wrc_tv7TFnhZVfsA_n2v4/s200/DSC03664.JPG" width="200" /></a></div>
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I think I have thousands of this older dividers, most of them are not longer in use. But they do have exactly the right thickness and my laser is able to cut them.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFnjQWummsKos6ya_bvWKWDw9O3vpyoxw1I1Y09Lm9JKYA3JRf_y_BjLyVEEUI8KnHAohUSdVPhWTpRJdRm4C4B6J5b2WuyzUCqLYMGALWUMGF7uwdqXngz8LDpSETMEANZ-u3ZcCFsqY/s1600/DSC03646.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhFnjQWummsKos6ya_bvWKWDw9O3vpyoxw1I1Y09Lm9JKYA3JRf_y_BjLyVEEUI8KnHAohUSdVPhWTpRJdRm4C4B6J5b2WuyzUCqLYMGALWUMGF7uwdqXngz8LDpSETMEANZ-u3ZcCFsqY/s320/DSC03646.JPG" width="320" /></a></div>
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<br />
Here we go, as I say BURN!<br />
Making the t-shirts was a matter of minutes.<br />
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<a href="http://1.bp.blogspot.com/-4SktuLy64eU/UXl8gNI0lYI/AAAAAAAASIQ/enOk4B4HtZI/s1600/DSC03657.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://1.bp.blogspot.com/-4SktuLy64eU/UXl8gNI0lYI/AAAAAAAASIQ/enOk4B4HtZI/s200/DSC03657.JPG" width="200" /></a>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Y3lDlnSstR3t90Fnpqt5Aq3VqIgGa00jK6ZESvB_mDQcsqoLCsd_uZazs9B60Az36Kp5O-flF343jvz-ogbrWVE16EW09eSLmKXazmtQzC5rzGnaZ21nlazWw2VaWIepAFHGu4U8zc0/s1600/DSC03656.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8Y3lDlnSstR3t90Fnpqt5Aq3VqIgGa00jK6ZESvB_mDQcsqoLCsd_uZazs9B60Az36Kp5O-flF343jvz-ogbrWVE16EW09eSLmKXazmtQzC5rzGnaZ21nlazWw2VaWIepAFHGu4U8zc0/s200/DSC03656.JPG" width="200" /></a>
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<a href="http://3.bp.blogspot.com/-iBaSdzLL3IY/UXl8mtjKyHI/AAAAAAAASIg/VdEuqlrIHH4/s1600/DSC03659.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="http://3.bp.blogspot.com/-iBaSdzLL3IY/UXl8mtjKyHI/AAAAAAAASIg/VdEuqlrIHH4/s200/DSC03659.JPG" width="200" /></a>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUKGpd_l-Cez5BfLaNGdhIelu4tQVTMWhgNqDitlUOAqXAGbk789BIVJgho99ckF9BtkbnUE8OvQmT5LvzGBCRAoeyZ471jRD-WrqKFpxFGmKoPCI6BgEf9HknIAmb78P925955MAJaLQ/s1600/DSC03648.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgUKGpd_l-Cez5BfLaNGdhIelu4tQVTMWhgNqDitlUOAqXAGbk789BIVJgho99ckF9BtkbnUE8OvQmT5LvzGBCRAoeyZ471jRD-WrqKFpxFGmKoPCI6BgEf9HknIAmb78P925955MAJaLQ/s200/DSC03648.JPG" width="200" /></a>
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The Logo on the blue shirt is the <a href="http://www.mayday.de/events/mayday/2013/deutsch/index.htm">Mayday emblem,</a> a large German EDM party taking place this weekend. Nice timing!!! </div>
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Overall I'm very happy with the results:</div>
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<a href="http://3.bp.blogspot.com/-ZCdyS6MizSQ/UXl8w_zThwI/AAAAAAAASI4/eFhvvJv1Yak/s1600/DSC03665.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="http://3.bp.blogspot.com/-ZCdyS6MizSQ/UXl8w_zThwI/AAAAAAAASI4/eFhvvJv1Yak/s320/DSC03665.JPG" width="240" /></a>
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The Laser-cutter is a solid base for future improvements. </div>
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Some words to the stage: it needs some improvement, first of all a z-axis. This makes adjustments much easier.</div>
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Secondly, I will make a drawer where I can put the cutting material and slide it inside, so I don't have to open the hole case. </div>
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Thirdly, the x-axis swings a little bit too much, I will add a threaded rod to make it less flexible. </div>
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If this modifications are successful I will upload the *.stl files an schematics here.</div>
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I'm closing this with a nice picture of the beam taken by the webcam I used for beam monitoring. Lasers look awesome:</div>
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<a href="http://2.bp.blogspot.com/-q_TEbOWg2pI/UXl-5Hk3sUI/AAAAAAAASJU/Nf2eE7iieW4/s1600/Bild015.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="225" src="http://2.bp.blogspot.com/-q_TEbOWg2pI/UXl-5Hk3sUI/AAAAAAAASJU/Nf2eE7iieW4/s400/Bild015.jpg" width="400" /></a></div>
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<b>Update:</b></div>
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I've updated the model a little bit: </div>
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<a href="http://2.bp.blogspot.com/-a4EqVvufzjA/UYK6P12TyiI/AAAAAAAASVA/obFlilcqj-A/s1600/LaserCutter_2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="217" src="http://2.bp.blogspot.com/-a4EqVvufzjA/UYK6P12TyiI/AAAAAAAASVA/obFlilcqj-A/s400/LaserCutter_2.jpg" width="400" /></a></div>
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<a href="http://chaozlabs.blogspot.de/2013/06/my-new-lasercutter-technical-details.html">LaserCutter (technical details)</a></div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-41281418040128969392013-04-14T21:13:00.003+02:002013-04-14T21:13:50.464+02:00Erste Drucke mit dem neuen DruckerSo langsam wirds:<br />
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<a href="http://1.bp.blogspot.com/-RZ8f-BO2O-A/UWr_W5dOsNI/AAAAAAAASAg/teV6XPw0o3E/s1600/DSC03627.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="300" src="http://1.bp.blogspot.com/-RZ8f-BO2O-A/UWr_W5dOsNI/AAAAAAAASAg/teV6XPw0o3E/s400/DSC03627.JPG" width="400" /></a></div>
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Rot/Schwarz (PLA) und Blau/Weiß (ABS)<br />
Ganz zufrieden bin ich aber noch nicht mit dem Ergebnis. Jetzt heißt es erst mal ein Gefühl für die Maschine zu entwickeln4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-2225740678373786262013-03-27T20:13:00.002+01:002013-03-27T20:13:58.996+01:00Alu EloxierenWollte ich schon immer mal ausprobieren, jetzt hat sich die Gelegenheit ergeben. Als Grundlage dient dieses <a href="http://www.electronic-thingks.de/de/produkte/starterset.html">Starterkit</a>. Eine genau Anleitung gibts dort.<br />
Vorher:<br />
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Nachher, beim ersten versuch ist das Rot etwas dunkel geworden:<br />
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<b style="text-align: left;">Mehr Bilder nach dem Break:</b></div>
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Reinigen:</div>
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Anschließen und Eloxieren:</div>
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Die zu Eloxierenden Stücke hängen entweder an einen Titandraht oder an einen Titanrundstab mit einem M3 Gewinde. Da die meisten meiner Dinge irgendwo ein M3 Gewinde haben schien mir das eine gute Möglichkeit die Teile in der Säure zu halten den Titanstab gibts auch recht günstig.</div>
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Blub Blub<br />
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Kochen (Versiegeln):<br />
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com1tag:blogger.com,1999:blog-4009391794834150871.post-30408308197274909592013-03-10T11:15:00.000+01:002013-03-10T22:09:39.756+01:00Weberknecht (Baubericht)<div class="separator" style="clear: both; text-align: left;">
<span style="text-align: justify;">Und so beginnt es:</span></div>
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Aluprofile und Normteile</div>
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Den Anfang macht das Bodenblech. Ich muss den Drucker Stück für Stück von unten nach oben zusammen bauen sonst passen die Teile nicht ineinander.</div>
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Das Bodenblech, 0,8mm Alu, eigentlich nur damit das Gehäuse "dicht" ist, sieht aber gut aus und passt:</div>
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Da mir die M4 Hammernuten mit >0,30€ pro Stück zu teuer sind verwende ich nur M4 Vierkantmuttern, die kosten einen Cent, nachteil ist ich brauche Halter. sonst wackelt die mutter hin und her und man kann sie nicht anziehen. Die werden dann in das Alu Profil geschoben, klappt gut, aber muss muss sich vorher genau überlegen was wo hinkommt nachträglich bekommt man die nicht mehr rein, falls was fehlt müssen dann doch die Hammernuten herhalten.</div>
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Das Drehen der Z-Achsen war etwas wo ich mir nicht sicher war ob die kleine Drehmaschine das packt. Ging aber besser als gedacht:</div>
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Alles mal mehr schlecht als recht zusammen gesteckt und siehe da man erkennt wo die Reise hingeht:
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Jetzt ist erst mal Teile drucken angesagt...</div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com3tag:blogger.com,1999:blog-4009391794834150871.post-84052362754956651732013-02-24T16:16:00.004+01:002013-03-10T11:22:10.943+01:00Andreas Weberknecht<br />
Good News everyone.<br />
Vor ziemlich genau einem Jahr ist mein erster <a href="http://chaozlabs.blogspot.de/2012/03/er-druckt.html" target="_blank">Drucker </a>fertig geworden, der hat dann gleich mal seinen <a href="http://chaozlabs.blogspot.de/2012/04/andis-powermendel.html" target="_blank">Nachfolger</a> produziert und der wiederum läuft jetzt gut 10 Monate. Also wirds langsam Zeit für einen Nachfolger ;).<br />
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Was sollte er können?<br />
<ul>
<li>2 Druckköpfe, ich hätte gern mehrfarbige Teile.</li>
<li>etwas genauer und bessere Druckqualität.</li>
<li>ABS und PLA</li>
</ul>
Um das ganze etwas Übersichtlicher zu gestalten:<br />
<ul>
<li><a href="http://chaozlabs.blogspot.com/2013/02/weberknecht-druckkopf.html">Druckkopf</a></li>
<li><a href="http://chaozlabs.blogspot.com/2013/02/weberknecht-antrieb-h-belt.html">X-Y-Antrieb</a></li>
<li><a href="http://chaozlabs.blogspot.com/2013/02/weberknecht-rahmen.html">Rahmen und Z-Antrieb</a></li>
<li><a href="http://chaozlabs.blogspot.de/2013/03/weberknecht-baubericht.html"> * Baubericht *</a></li>
</ul>
<a href="https://plus.google.com/photos/111510669637026758430/albums/5848506987004463441?banner=pwa&authkey=CPau3-ye06yn_gE" target="_blank">Ganz viele aktuelle Bilder</a><br />
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<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-30843336375030288242013-02-24T16:16:00.003+01:002013-03-03T01:02:28.939+01:00Weberknecht Rahmen<div class="separator" style="clear: both; text-align: center;">
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Bei meinen anderen Druckern hab ich das Gefühl dass die Rahmen einfach nicht steif genug sind und er sich beim Hochfahren (Z) leicht verzieht, also kommt diesmal Aluprofil zum Einsatz, das das ganze etwas verbessern sollte.<br />
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Der Ganze Rahmen und Z-Antrieb sind noch nicht final, da gibts noch einiges an Arbeit und ich denke da ändert sich auch noch einiges.<br />
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<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-60987869303072673802013-02-24T16:16:00.002+01:002013-03-03T01:01:34.026+01:00Weberknecht Antrieb (H-Belt)<div class="separator" style="clear: both; text-align: center;">
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<a name='more'></a><br />
Für den Antrieb hab ich mich nach langem rum und umkonstruieren für einen H-Belt entschieden. Bewegt wird der Druckkopf das Druckteil fährt dann nach unten. So kann ich ein stabiles Druckbett bauen (ebenfalls ein Schwachpunkt meines bisherigen Druckers).<br />
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Basieren tut das ganze auf dem <a href="http://www.corexy.com/theory.html%C2%A0" target="_blank">corexy</a>.<br />
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Der erste Testaufbau noch nicht die richtige Größe:</div>
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<br />4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com2tag:blogger.com,1999:blog-4009391794834150871.post-64032330636050249212013-02-24T16:16:00.001+01:002013-03-03T01:04:00.390+01:00Weberknecht Druckkopf<div class="separator" style="clear: both; text-align: center;">
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<a name='more'></a>Da der Druckkopf diesmal zwei Motore hat und auch noch in zwei Achsen bewegt wird steige ich von 3mm auf 1,75mm Material um. Außerdem muss ich die Motoren mit 24V betreiben sonst bringen sie einfach nicht genug Drehmoment oder werden zu schwer.<br />
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Weiter will ich diesmal das Hotend selbst bauen.<br />
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Im Moment warte ich auf die Heizpatrone und 1,75er Material. Wenn das da ist folgt ein ausgiebiger Extruder und Hotend test und dann gehts weiter.<br />
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Scheint soweit zu passen.</div>
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Die Düse hat (hoffentlich) 0,35mm genaueres wird man nach der Inbetriebnahme sehen.<br />
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Die Thermalbarriere ist erst mal als Teflon, da das viel viel billiger ist als PEEK und ich erst mal die Größe usw erproben will bevor ich das Teuere PEEK versemmel. Mal anschauen wie sich das verhält. Dabei bleiben werde ich nicht es ist einfach zu weich (hätte ich nicht gedacht das Zeug ist fast gummiartig).<br />
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Hmm erster versuch war erst mal nix :( </div>
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zurück ans Reißbrett.</div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com0tag:blogger.com,1999:blog-4009391794834150871.post-51316433618941539932013-01-21T20:21:00.003+01:002013-01-22T23:52:52.116+01:0021st century light bulb<div class="separator" style="clear: both; text-align: left;">
Simple Light, made of laboratory glassware. Nothing special, just one of the infinite application possibilities of my <a href="http://chaozlabs.blogspot.de/2012/04/andis-powermendel.html" target="_blank">3D-Printer</a>.</div>
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The printed parts: (<a href="https://dl.dropbox.com/u/1116168/21stCenturyLightBulb.zip" target="_blank">stl Download</a>)</div>
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The bulb and the light: </div>
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Bought the "glass" some years ago, had no use for it so I decided to make a Light.<br />
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I totally forgot that I recorded the making ;) </div>
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4ndreashttp://www.blogger.com/profile/08811619983726400284noreply@blogger.com7