tag:blogger.com,1999:blog-147034142024-02-28T09:29:27.099+01:00Erwin's ShedDIY electronics, software, etc, etcErwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.comBlogger7125tag:blogger.com,1999:blog-14703414.post-4480324392364722812012-09-30T11:03:00.004+02:002012-09-30T22:26:03.947+02:00<div dir="ltr" style="text-align: left;" trbidi="on">
<span style="font-family: Arial, Helvetica, sans-serif; font-size: large;">Capacitive touch sensors.. </span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0Q1pQgEvywfnBYfY6YOMDEjsYmCk1VL3x9ETZlowBBfPdKULExXLQ3R_hH7uMBo1Xs-5UPfeNRfTFiWgOwL9m7CeB5vycoPRpLQnBiGXc7C9O27BWQm7CoBEIHxcV4wINwDkI/s1600/CIMG0493.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="162" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0Q1pQgEvywfnBYfY6YOMDEjsYmCk1VL3x9ETZlowBBfPdKULExXLQ3R_hH7uMBo1Xs-5UPfeNRfTFiWgOwL9m7CeB5vycoPRpLQnBiGXc7C9O27BWQm7CoBEIHxcV4wINwDkI/s320/CIMG0493.JPG" width="320" /></a><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><i>Sensor board back and front.</i></span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">For my boat's interior I figured that LED strips would be just right in terms (low) power use lighting. The </span><span style="font-family: Arial, Helvetica, sans-serif;">LED strips are mounted so that they provide indirect light and to switch them ON and OFF I wanted invisible 'hot' spots on the wooden side cabinets</span><span style="font-family: Arial, Helvetica, sans-serif;">.</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">First thing that came to my mind was to use a QT118. I've used this chip before and it's proven to be a reliable capacitive touch interface.</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;"><i>As the diagram shows, not many components are required to make it work.</i></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOrrnzgEYqtk62AWX_uwbLRlxhyphenhyphen3IM5qTTLktNNIQTTmPwYNq_REb6V3i74FraZWY6U_V8vmBN2wb6DUtUl-imlCm_VLvBEoiYb0uH8rL0ae1lEV0Pzuk5iW2-fUgzx8fUiicD/s1600/Screen+Shot+2012-09-30+at+10.39.13+AM.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="171" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOrrnzgEYqtk62AWX_uwbLRlxhyphenhyphen3IM5qTTLktNNIQTTmPwYNq_REb6V3i74FraZWY6U_V8vmBN2wb6DUtUl-imlCm_VLvBEoiYb0uH8rL0ae1lEV0Pzuk5iW2-fUgzx8fUiicD/s400/Screen+Shot+2012-09-30+at+10.39.13+AM.png" width="400" /></a><span style="font-family: Arial, Helvetica, sans-serif;"><br /></span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">And the resulting PCB..</span><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZddecrgWd6_cCRbE7bRvAb_mCzgwj9e5tSPTuAigr0dJlQ4rq6IUdQgnRkxwskQQN6yC6IN_4cpSSncAVYhPPn7zLATX5MFfv2vtJV6r2zTQ6EI4C94Ff24qV0zpiluHhlzVw/s1600/CIMG0492.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="205" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZddecrgWd6_cCRbE7bRvAb_mCzgwj9e5tSPTuAigr0dJlQ4rq6IUdQgnRkxwskQQN6yC6IN_4cpSSncAVYhPPn7zLATX5MFfv2vtJV6r2zTQ6EI4C94Ff24qV0zpiluHhlzVw/s400/CIMG0492.JPG" width="400" /></a><span style="font-family: Arial, Helvetica, sans-serif;"></span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">These two boards are mounted to the back of the cabinet facia. </span><span style="font-family: Arial, Helvetica, sans-serif;">A strip of aluminum tape connected to the board acts as the interfacing / sensing area.</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">All solid state, no moving contacts. Self adjusting, automatic gain. Capable of switching somewhere around 8A. (more than enough..)</span><br />
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<i style="font-family: Arial, Helvetica, sans-serif;"><b>AT42QT1012 vs. QT118</b></i><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Atmel now retired the previous QProx QT11x series and put the AT42QT1012 in place as the QT118's successor. It comes in a very small package (SOT23-6) which could lead to smaller board design compared to the SO-8 package that houses the QT118.</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">So I designed a board for the newer part first and found that I could not get it to work as reliable as the QT118, a pity... More experimenting probably needed.. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Still having two QT118's in my stock I figured that, although it's now oboslete, it was still worth a board design.</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;"><i><b>A round PCB, why not.</b></i></span><br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhexpKgEVZsq1bYE92fO3ASmXTa1P9ohnFYTge04y2CYDmU9vsu9ku_HhKp6nEyLCjhfHQhoC1H8bkIyxcXegto6y6IMgFHdACTznRPanTj9Fzn3lQRE1yPYZuRfnnzyoFdK60T/s1600/Screen+Shot+2012-09-30+at+10.39.26+AM.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="394" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhexpKgEVZsq1bYE92fO3ASmXTa1P9ohnFYTge04y2CYDmU9vsu9ku_HhKp6nEyLCjhfHQhoC1H8bkIyxcXegto6y6IMgFHdACTznRPanTj9Fzn3lQRE1yPYZuRfnnzyoFdK60T/s400/Screen+Shot+2012-09-30+at+10.39.26+AM.png" width="400" /></a></div>
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<span style="font-family: Arial, Helvetica, sans-serif;">The PCB has an integrated sensing area, so the board can be used directly behind a dielectric surface. In the end I decided to connect to a remote sensing surface.</span><br />
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Erwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com0tag:blogger.com,1999:blog-14703414.post-66012392332305678632011-01-25T22:00:00.011+01:002012-09-30T09:59:54.823+02:00LED Pong Clock<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: arial;"><strong>Pong Clock<br /></strong>This clock is my version of <a href="http://123led.wordpress.com/about/"><span style="color: #ff6600;">Nick Hall's</span></a> Pong Clock</span><span style="font-family: arial;">.</span><br />
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<span style="font-family: arial;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTY6DdHxdCkrthGXHO1zEZmjHpvRBg4aO8IxDMSPrz4qevBlPebBl0NuVmPSG7q0061iKZYCvvF2XOWGv7IbLKRJi_d0vv61O_ZRyqu-RAjU_mnZ6nqds288AKTE-S9XGM1hgo/s1600/DSC_3905.JPG"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5566238578919047778" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTY6DdHxdCkrthGXHO1zEZmjHpvRBg4aO8IxDMSPrz4qevBlPebBl0NuVmPSG7q0061iKZYCvvF2XOWGv7IbLKRJi_d0vv61O_ZRyqu-RAjU_mnZ6nqds288AKTE-S9XGM1hgo/s320/DSC_3905.JPG" style="cursor: hand; height: 214px; width: 320px;" /></a></span><br />
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<span style="font-family: arial;">He uses an Arduino UNO with prototyping shield to glue the logic bits and pieces together.</span><br />
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<span style="font-family: arial;">I wanted to make one that looks good, without using Arduino. So I designed a custom pcb for this clock, with all the goodies on a single board. So DS1307 RTC, buttons, LED's, backup battery, beeper, and a future IR interface. PCB design features a QR code with pcb version and maker, to add to the geekiness. </span><br />
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<span style="font-family: arial;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsY-2xv_lUOVGQcUyRLemb_QKJwhwl19Vh87yjrt5hlX19EgqFWQxGHjgblQq2NKzF0zYiY-wQMxGvI7QUUHUZiJ2RFsXnVfJpfjcbA2KI4MdsLJ0xZJrr57zAQmevAVkhRCHx/s1600/DSC_3895.JPG"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5566238560171072354" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhsY-2xv_lUOVGQcUyRLemb_QKJwhwl19Vh87yjrt5hlX19EgqFWQxGHjgblQq2NKzF0zYiY-wQMxGvI7QUUHUZiJ2RFsXnVfJpfjcbA2KI4MdsLJ0xZJrr57zAQmevAVkhRCHx/s320/DSC_3895.JPG" style="cursor: hand; height: 214px; width: 320px;" /></a></span><br />
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<span style="font-family: Arial;">I sandwiched the boards between two sheets of acrylic, this makes it rocksolid. It's a very touchable brick on my desk now.</span><br />
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<span style="font-family: arial;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQDecxilyNVOqjTHW4ZT1TFhOwHzCxKInDiFC1vFUrR5hKdPTNtr-_J-MrbMPnALH3gJVnKcYaSc7WvTXJaVrNX1P5K1jG4CcCJ56w8OY0vCKM_4DI1w1FbLAb2fdLMlgmBFrC/s1600/DSC_3908.JPG"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5566238595983576482" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiQDecxilyNVOqjTHW4ZT1TFhOwHzCxKInDiFC1vFUrR5hKdPTNtr-_J-MrbMPnALH3gJVnKcYaSc7WvTXJaVrNX1P5K1jG4CcCJ56w8OY0vCKM_4DI1w1FbLAb2fdLMlgmBFrC/s320/DSC_3908.JPG" style="cursor: hand; height: 214px; width: 320px;" /></a></span><br />
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<span style="font-family: arial;">A sheet of automotive anti-sun film sticks to the front of the displays, to enhance contrast. </span><br />
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<span style="font-family: arial;">My firmware has minor modifications to the original; startup message, beeper function etc.</span><br />
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<span style="font-family: arial;">Firmware is a work in progress...</span><br />
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<span style="font-family: Arial;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrhV-ONgVtorFqDk5b_aAUuYOsnPBIIsyT5qI4LBQitffNjJKX-uBqoMHAvdaWrHkKNM_hyphenhyphentepdtC9_wg5-TAKzlSh0wJIZC4R6PdXGcp1CA89vbL0CreD81UR85TVZB6FOGaU/s1600/DSC_3906.JPG"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5566238587738658098" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrhV-ONgVtorFqDk5b_aAUuYOsnPBIIsyT5qI4LBQitffNjJKX-uBqoMHAvdaWrHkKNM_hyphenhyphentepdtC9_wg5-TAKzlSh0wJIZC4R6PdXGcp1CA89vbL0CreD81UR85TVZB6FOGaU/s320/DSC_3906.JPG" style="cursor: hand; height: 214px; width: 320px;" /></a></span><br />
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<span style="font-family: arial;">Fun project, with many thanks to Nick Hall. Visit his </span><a href="http://123led.wordpress.com/about/"><span style="color: #ff6600; font-family: arial;">blog</span></a><span style="font-family: arial;">, he shares firmware sourcecode, thanks for that!</span><br />
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<span style="font-family: arial;">pcb design (in mirrored view)<br /></span><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjwlLBh8v3u3I14eB0fyLO9QHKgxUo7rlacThhG_QIPlG08DzCYKbB1rlBrMGM0jcE88fzyLZ5w7NUwzpXDUTmGKqALhU05ulR6RlRLhzo-P-w-3afhPxR_aZkRfJ5h4NFfZZ_T/s1600/PONG+CLOCK.png"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTc3UQEnN3UN3ghF4qF7NbpqfkkEjdIFANXU15r_5DYuYxnxPJJmPtt1BkF8N_tT9BfhpW66BsBANnFfnww-LomMZgxmIHw4GPq_nhk-J6JzOXXBGAOMzDeYu3vQonlgMFaixo/s1600/PONG+CLOCK.png"><img alt="" border="0" id="BLOGGER_PHOTO_ID_5566289962313516018" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiTc3UQEnN3UN3ghF4qF7NbpqfkkEjdIFANXU15r_5DYuYxnxPJJmPtt1BkF8N_tT9BfhpW66BsBANnFfnww-LomMZgxmIHw4GPq_nhk-J6JzOXXBGAOMzDeYu3vQonlgMFaixo/s320/PONG+CLOCK.png" style="height: 212px; width: 320px;" /></a><br />
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<span class="Apple-style-span" style="font-family: arial;">Action shot...</span></div>
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<img alt="" border="0" id="BLOGGER_PHOTO_ID_5568807883885202610" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgiGJAzIYdY7Z-x0qdqw-l8Mxfdc3Oz70G4UHTYzpXN3uzrLX9M_hCZKRkRbEB5m8p2naxWGtUuu1MXlLblFk4xfWnODRQcBzqRQh2N8WBzu1HjY5n_Cr1MA_P-GOJNkld5nIRU/s320/DSC00109.jpg" style="cursor: hand; cursor: pointer; height: 240px; width: 320px;" /><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">On request, the circuit diagram..</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Straightforward as can be..</span><br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigUaNJqIHqdtMqOQn4eWRQd2TgzwLsMJJZ_9B2IyerLmhuG1Nlbs73N9IHIURQn601dAQ5dGZppO_BAMWLql8oJnX06m-Kzljub-rv05txvYAUsXE0DACK4fHDe9v5KMY1tZFM/s1600/Screen+Shot+2012-09-30+at+9.53.06+AM.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigUaNJqIHqdtMqOQn4eWRQd2TgzwLsMJJZ_9B2IyerLmhuG1Nlbs73N9IHIURQn601dAQ5dGZppO_BAMWLql8oJnX06m-Kzljub-rv05txvYAUsXE0DACK4fHDe9v5KMY1tZFM/s320/Screen+Shot+2012-09-30+at+9.53.06+AM.png" width="320" /></a><br />
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Erwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com9tag:blogger.com,1999:blog-14703414.post-89427979259489054132008-06-01T22:37:00.006+02:002008-06-30T21:11:25.810+02:0016f688 serial LCD<span class="Apple-style-span" style="font-family: arial;"><br /></span><span class="Apple-style-span" style="font-family: arial;">Serial LCD</span><div><span class="Apple-style-span" style="font-family: arial;"><img style="cursor:pointer; cursor:hand;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhypAuqAMLU8hb8eATdIffl1VJEKncz4XefqI5v4UUB8kSqHIyq5Y29ADc2BocNfDG6M8YVsWApJVGMpF2DHkf1vjcyUyqhlcQIHGtXcCrCw-08kQHFyZEGO4LMmhh2v_9Sj1Gq/s320/dsc_1157.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5217753400546528914" /><br /></span></div><div><span class="Apple-style-span" style="font-family: arial;">Sandwich opbouw</span><br /><span><span></span></span><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqEiQHnZwd7wpAyZ5o-WhQU_x6pUuozuI_AklA2ZT7-zGtexjmIs6DfkquKAks6FvdKp5ZwMu5IS52Ir85MSeKpbjoV_WgUTfOk4Kqhf2C3iHIJ6fuL8k94The3NH-xi_JW89R/s1600-h/dsc_1157.jpg"><span><span></span></span></a><img style="cursor:pointer; cursor:hand;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaB4a2vaj8AQ-HgpLw1HDyyMSXb2quGqzJMCPA5gvmDwa9UOovwRJp1wyblUEuGdz5qcHbPtATrttzsUOgR-dq0y2yLX0VWsmA9l0q6o9NXr813bvxqqJyJQfCyazXktiLtsTU/s320/dsc_1158.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5217753407548793890" /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbNSY9XBQiP7bJ4IpkTe45ym0qIMAG6yirNJ_DyQfPJpvCjOx7ARp-8eJaO_C1Zr0Lpdg4kv6J_Y_szFojcFaiMTAVDBDJxY1Kgw9rYymkS20zmkAXna5-ANJug7OcCL_Ov3pi/s1600-h/dsc_1158.jpg"><span><span></span></span></a><span style="font-family:arial;"><br /></span><div><span style="font-family:arial;">Voor een<span class="Apple-style-span" style="font-family: Georgia; "><span class="Apple-style-span" style="font-family: arial; "> recent experiment was een (beperkte) seriële output terminal nodig.</span></span></span></div><div><span style="font-family:arial;">4 regels van 20 karakters op een HD44780 LCD zijn hiervoor voldoende.</span><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkhEPJBU_E8vlsbyHALRkBQuKyFpPGrE_Np42f_MaurbSFuR0oQ8T296KHmnrL8Oud_apqD5pMmjz2uIxpUvw6OPFyOEf3i-wU_uJKAqYOUokwSUHX9-Fv-m93lm6iWe_f9BrM/s1600-h/DSC00076.JPG"><img style="cursor: pointer;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgkhEPJBU_E8vlsbyHALRkBQuKyFpPGrE_Np42f_MaurbSFuR0oQ8T296KHmnrL8Oud_apqD5pMmjz2uIxpUvw6OPFyOEf3i-wU_uJKAqYOUokwSUHX9-Fv-m93lm6iWe_f9BrM/s320/DSC00076.JPG" alt="" id="BLOGGER_PHOTO_ID_5207017201017485474" border="0" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjcu4O84JFuNRgHIkswhcz0BH6yZTvjK74wrWyi_STLk0KJCohkHvU9fLiWbMw1KH6eVJN_-7eVEGRi3iYbeoR6IA8kOmAeETxxy8N3Uf1CLvjS7nDQd9wR2f_j5KXJYNELViJh/s1600-h/DSC00077.JPG"><img style="cursor: pointer;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjcu4O84JFuNRgHIkswhcz0BH6yZTvjK74wrWyi_STLk0KJCohkHvU9fLiWbMw1KH6eVJN_-7eVEGRi3iYbeoR6IA8kOmAeETxxy8N3Uf1CLvjS7nDQd9wR2f_j5KXJYNELViJh/s320/DSC00077.JPG" alt="" id="BLOGGER_PHOTO_ID_5207018201744865458" border="0" /></a><br /><span style="font-family:arial;">Sparkfun heeft een </span><a style="font-family: arial;" href="http://www.sparkfun.com/commerce/product_info.php?products_id=258">"serial enabled lcd backpack"</a><br /><br /><span style="font-family:arial;">Dat ontwerp is de basis van dit project, echter met een uitbreiding voor de negatieve hulpspanning voor het LCD. met een 555 wordt deze opgewekt.</span><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjF9iPeRqPg6nfZec_vsAuwBCjvSj1a2qTFr9Ctjd5mc6zrmW759IIquhikPGCqCsfbYpHH6wHW6DuhMl-XOy_oye39k8dorXsb_LbKSIYw0eZ-H-Nvv-W_Pa0Zfkz0zlMrULLn/s1600-h/000139.gif"><img style="cursor: pointer;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjF9iPeRqPg6nfZec_vsAuwBCjvSj1a2qTFr9Ctjd5mc6zrmW759IIquhikPGCqCsfbYpHH6wHW6DuhMl-XOy_oye39k8dorXsb_LbKSIYw0eZ-H-Nvv-W_Pa0Zfkz0zlMrULLn/s320/000139.gif" alt="" id="BLOGGER_PHOTO_ID_5207016951909382290" border="0" /></a><br /><span style="font-family:arial;">Geheel draait nu de Sparkfun firmware zonder aanpassing voorlopig, deze werkt prima.</span><br /><br /><span style="font-family:arial;">Print ontworpen, werkt prima, zonder ontwerpfouten, verzilverd.</span><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzXsR2I4fRkX3-mtlnsjM8m8GIloRvs5Ugnst7dB6TnByVk6x1_Fp9KoaNw3ZN16sJfAttA5dQ75R6C1K-lk44t9MXy6W4c4dMp5TdxdVVLgMvdaQHKwuAk-UCN66eEgd7pKNz/s1600-h/Serial+LCD+circuit.png"><img style="cursor: pointer;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzXsR2I4fRkX3-mtlnsjM8m8GIloRvs5Ugnst7dB6TnByVk6x1_Fp9KoaNw3ZN16sJfAttA5dQ75R6C1K-lk44t9MXy6W4c4dMp5TdxdVVLgMvdaQHKwuAk-UCN66eEgd7pKNz/s320/Serial+LCD+circuit.png" alt="" id="BLOGGER_PHOTO_ID_5207018218924734674" border="0" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitx6p_dJwualg3dmxmiNc5pI-KWtP47HC7o42TT7l3crFV6PZFtQyGE45iclPfdeaVPif_c1rjWg7hogsVxeRx9FbBJ2MWYxMKGqoAKe0JzRJ9_NCB5xiM5Hid85lgurR1TEiW/s1600-h/Serial+LCD+PCB+Artwork_neg.png"><img style="cursor: pointer;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEitx6p_dJwualg3dmxmiNc5pI-KWtP47HC7o42TT7l3crFV6PZFtQyGE45iclPfdeaVPif_c1rjWg7hogsVxeRx9FbBJ2MWYxMKGqoAKe0JzRJ9_NCB5xiM5Hid85lgurR1TEiW/s320/Serial+LCD+PCB+Artwork_neg.png" alt="" id="BLOGGER_PHOTO_ID_5207018210334800066" border="0" /></a></div></div>Erwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com0tag:blogger.com,1999:blog-14703414.post-54628320794115880842008-05-30T21:44:00.002+02:002008-05-30T21:48:15.640+02:002x FT232 USB serial interface<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7wMk-RkE6PJyGGJrtQFQgn_b5E8Pf0Wgtzs8sOeoUCntrR8nFvrMZANggrOep96TSyz3xq6ofUT9fKeJUQ1w5ckxT1D12zMThb9iJYQszJ3hdMFf5PrCl2mCsKciPbBgdJpuy/s1600-h/DSC00073.JPG"><img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer;" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7wMk-RkE6PJyGGJrtQFQgn_b5E8Pf0Wgtzs8sOeoUCntrR8nFvrMZANggrOep96TSyz3xq6ofUT9fKeJUQ1w5ckxT1D12zMThb9iJYQszJ3hdMFf5PrCl2mCsKciPbBgdJpuy/s320/DSC00073.JPG" alt="" id="BLOGGER_PHOTO_ID_5206259925268756610" border="0" /></a><br />Na een tijdje behoefte aan een tweede, identieke interface, dus nog maar een print ge-etst. het resultaat is behoorlijk identiek geworden..<br /><br />Bovenste print is oud, onder is nieuw..Erwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com0tag:blogger.com,1999:blog-14703414.post-1155215667231486662006-08-10T15:13:00.000+02:002006-08-10T15:16:57.206+02:00220 Volt AC solid state output driverboardErwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com0tag:blogger.com,1999:blog-14703414.post-1122498981268544532005-07-27T22:50:00.000+02:002005-07-27T23:25:23.536+02:00USB RGB temperature indicator<a href="http://photos1.blogger.com/blogger/4542/1339/1600/USB%20RGB%20Controller1.jpg"><img style="CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/4542/1339/200/USB%20RGB%20Controller1.jpg" border="0" /></a><br /><br /><br />De RGB temperatuur indicator is gedeeltelijk af, hij werkt!<br />USB communicatie werkt okay, PIC werkt zijn programma af, gaat allemaal goed.<br />Wel een probleem nog aan te werken: De USB controller wordt iets warm, het lijkt erop dat de pic wordt gevoed via de Tx lijn van de CP2102.<br /><br />Next:<br />Probleem oplossen<br />DS1820 insolderen<br />Software schrijven<br /><br />to be continued....<br /><br />(close up van de USB controller, met glasvezel stof...)<br />(CP2102 is maar 5x5 mm, dus kleine contactjes...)<br /><a href="http://photos1.blogger.com/blogger/4542/1339/1600/CP2102%20close_up1.jpg"><img style="CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/4542/1339/200/CP2102%20close_up1.jpg" border="0" /></a><br /><br />het schema, omgebouwde versie van deze website.<br /><br /><a href="http://home.versatel.nl/edithenwilliam/william/rgbled.htm">http://home.versatel.nl/edithenwilliam/william/rgbled.htm</a><br /><a href="http://photos1.blogger.com/blogger/4542/1339/1600/USB%20RGB%20Controller%20Circuit1.jpg"><img style="CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/4542/1339/200/USB%20RGB%20Controller%20Circuit1.jpg" border="0" /></a>Erwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com0tag:blogger.com,1999:blog-14703414.post-1121979447212741192005-07-21T22:56:00.000+02:002005-07-21T23:34:52.050+02:00Fipo<a href="http://photos1.blogger.com/blogger/4542/1339/1600/usbinterface_sch.jpg"><img style="FLOAT: right; MARGIN: 0px 0px 10px 10px; WIDTH: 204px; CURSOR: hand; HEIGHT: 119px" height="188" alt="" src="http://photos1.blogger.com/blogger/4542/1339/320/usbinterface_sch.jpg" width="204" border="0" /></a><br />USB interface met FT232 BM,<br /><a href="http://photos1.blogger.com/blogger/4542/1339/1600/usbinterface_brd1.jpg"><img style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://photos1.blogger.com/blogger/4542/1339/200/usbinterface_brd.jpg" border="0" /></a>Erwinhttp://www.blogger.com/profile/07730277953660336616noreply@blogger.com