tag:blogger.com,1999:blog-79003962682175782142024-02-21T18:12:49.813-08:00What to do with Odd Bits of Stuff and an Engineering degreeJohnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.comBlogger18125tag:blogger.com,1999:blog-7900396268217578214.post-47555461821198186062016-01-08T20:44:00.001-08:002016-01-08T20:44:43.575-08:00Public wifi firewall...<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTrqlb7SrxK89bAHAPWYgPP0CZ0YNVe2u7JeHE9rernuyLJJcp8UwVryq6cLEFoYcNMMtE9teZWklF-HkC9_jOkJF-ylM5ozck7agJkN_znQjq9cjoGwkZ0avjdVoYhgYPuqvNfWf7gE8/s640/blogger-image-1205103067.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTrqlb7SrxK89bAHAPWYgPP0CZ0YNVe2u7JeHE9rernuyLJJcp8UwVryq6cLEFoYcNMMtE9teZWklF-HkC9_jOkJF-ylM5ozck7agJkN_znQjq9cjoGwkZ0avjdVoYhgYPuqvNfWf7gE8/s640/blogger-image-1205103067.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Raspberry pi plus 2 wifi cards...</div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-70886223750243425222015-07-12T19:58:00.001-07:002015-07-24T15:19:35.470-07:00Hf radio build.Father's Day present was a 20m hf radio kit.<div><br><div>http://www.ozqrp.com/MST2index.html</div><div><br><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIHBGfodPTtGfAyU2-XExEnak8j3uiU2UYj5_UnylsRqWnbBGzKoSReGW2NIVK3hx71SHa7imhN9Dz4MmigQK8lrnvAacP9MUbWxDDGjolPCxPRbfLZqVgYX8gHqzipDEL1LjEUMClCaY/s640/blogger-image-1162020811.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIHBGfodPTtGfAyU2-XExEnak8j3uiU2UYj5_UnylsRqWnbBGzKoSReGW2NIVK3hx71SHa7imhN9Dz4MmigQK8lrnvAacP9MUbWxDDGjolPCxPRbfLZqVgYX8gHqzipDEL1LjEUMClCaY/s640/blogger-image-1162020811.jpg"></a></div><br><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMFLF5kH7uz7NC2Bo4a8NPMIEVcKy5sZ9o8kbbqrE8B9pJtV6iGexhMYvfiI1k_OnvOy6gaP1Y5baK0WIMs6ImklHKiVEDkTVTGY4HeVZToNctgkmlD3SB-iJ3_hoX16WdaXzr5ZexGGg/s640/blogger-image-379876372.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiMFLF5kH7uz7NC2Bo4a8NPMIEVcKy5sZ9o8kbbqrE8B9pJtV6iGexhMYvfiI1k_OnvOy6gaP1Y5baK0WIMs6ImklHKiVEDkTVTGY4HeVZToNctgkmlD3SB-iJ3_hoX16WdaXzr5ZexGGg/s640/blogger-image-379876372.jpg"></a></div><br><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgqJWKp_5d6JlJEaRXp_N-qZRG3SUbCNzEXQlNNzYGvmLOKi4CJYuh1-rczqupQ-Ca7Kk9GWLZfa781XLJRA61xxqs6kZ_XBVDut9swptVi99dzTyP7ztuWtyRktk-8oe1R5N56WlKUPCA/s640/blogger-image-294225746.jpg" imageanchor="1" style="margin-left: 1em; 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margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEin-gdtwYEPGkcHPch6kitFQymg-VdxEUqP8DgGXWjbKdAE_iZFOaxXr9BExTuXFep4f6h1dbqx1sva3zMYuHd0J-D0TAlkHjLi7bdrJk089q_E1tIroaihqHdVy-44gn-bNiEXYIR_5hY/s640/blogger-image-1531945199.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">And now the housing hardware is on order and I am starting to design a tuner for the device...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Proceeding to box it up after the hardware arrived...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZfA0gUUeOXI-NLphxYhdof6am7Kz63pGUQB1f8UHSl9GfqU68ISVqY2ySD2wJMJajDOoljBDvfZJzsQW51ZpUWLfURaaytcMwFmRDrwVrmnf4X5OedivcmEo-1qDieJJbk1QbM_9h8SQ/s640/blogger-image--722096415.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhZfA0gUUeOXI-NLphxYhdof6am7Kz63pGUQB1f8UHSl9GfqU68ISVqY2ySD2wJMJajDOoljBDvfZJzsQW51ZpUWLfURaaytcMwFmRDrwVrmnf4X5OedivcmEo-1qDieJJbk1QbM_9h8SQ/s640/blogger-image--722096415.jpg"></a></div><br></div><div class="separator" style="clear: both;">It's not easy to cut square holes with a Dremel.</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">But the power up test blows fuses. That's odd. After digging around my irf510 power fet has essentially zero resistance between drain and body and I had grounded it to the frame..</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"> Insulating washers and now the calibration process...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBDDq6Btvxqe_n5IGUfyfo9hfHV5oEYVlUXY9oMu6wVWVJYkMlvEJWkPnTUqiAGXNYWvo_jyZHaWmZThAzFu03wNeJf1P5Ijpm7dPsDGjS7Zb4ME9AAoOPTJE-vFcdxOEXOnf6hoVnfXM/s640/blogger-image-220239927.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBDDq6Btvxqe_n5IGUfyfo9hfHV5oEYVlUXY9oMu6wVWVJYkMlvEJWkPnTUqiAGXNYWvo_jyZHaWmZThAzFu03wNeJf1P5Ijpm7dPsDGjS7Zb4ME9AAoOPTJE-vFcdxOEXOnf6hoVnfXM/s640/blogger-image-220239927.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Now to wait for a microphone to be delivered...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Well apparently also replacing the irf510 that didn't like being shorted to the case.</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">Aligned and finished. 5 watts of power.</div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiHOzNseguut5xMMcTh_EAyWsHzsIwv8QZG2OOv8A5OgcYSfjWlwpPBVRSKxITYkizWf3zIqGA9HC741ao-0BR_i7Pb2UJuLlqB_m-LmVDr8dctpRT1GEIR8EOydBrL3KuM5ldMABIiH0/s640/blogger-image--1752927677.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiHOzNseguut5xMMcTh_EAyWsHzsIwv8QZG2OOv8A5OgcYSfjWlwpPBVRSKxITYkizWf3zIqGA9HC741ao-0BR_i7Pb2UJuLlqB_m-LmVDr8dctpRT1GEIR8EOydBrL3KuM5ldMABIiH0/s640/blogger-image--1752927677.jpg"></a></div><br></div><br></div><br></div></div></div></div></div></div></div></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-68462789271801241542015-05-26T16:55:00.001-07:002015-05-26T16:55:30.335-07:00Dsi Xl screen repair<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4k60DOYqNMtHfe6GTJjQ76oD2hRcSwdtxpXqAZyNvf3NYvmblsfUDLy7D5V_Wg1XOrYxH9UtXEjXLw5gTZRfWu_PFJz8OmTWy4Nlax01QIEp69Yt6U-VHec7eAZHR0Iz-N_CCyO288v4/s640/blogger-image-1813464876.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><br></div><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4k60DOYqNMtHfe6GTJjQ76oD2hRcSwdtxpXqAZyNvf3NYvmblsfUDLy7D5V_Wg1XOrYxH9UtXEjXLw5gTZRfWu_PFJz8OmTWy4Nlax01QIEp69Yt6U-VHec7eAZHR0Iz-N_CCyO288v4/s640/blogger-image-1813464876.jpg"></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5ICReTrLsfpjU_ctT4L6bTOeglWl5MzqvGUljyvHHQakfuJZe9L8YjAcbrS4BH_sGLjm2hEm9C-2lr6bxAoGhpNP8PxdLs1tUaUkb3fRC5w5BTHGLAZOqv-FzgZNQISz22LOF3ZAjtmg/s640/blogger-image--2120991779.jpg" imageanchor="1" style="margin-left: 1em; 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margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKwGBMI_4VE6Eim6VwEXZFzvRRl1j4qKDGuKjOsk6i4O4LRLtbTkSxDcXwihWDAJGAst7P8YJVVYtXRLCiSswubVApAW0JWHDZyUZEYg5HNZgBvm0tw3sncVN63S34nFSN6438VqwRTQs/s640/blogger-image-1554807939.jpg"></a></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRn3O8y1X40FHmhA8FdCthn81Gvy9YDJWeKSfbkZcXWAevzsViPHqJw7bplOuZ4RmshTAhYWhLB1oaWwq0NwaKv_SfX-PP71iZDIqThHO4VknvhfAHuW-iozNBT-fv9Qzh5EfAfF16oAU/s640/blogger-image--1191800777.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRn3O8y1X40FHmhA8FdCthn81Gvy9YDJWeKSfbkZcXWAevzsViPHqJw7bplOuZ4RmshTAhYWhLB1oaWwq0NwaKv_SfX-PP71iZDIqThHO4VknvhfAHuW-iozNBT-fv9Qzh5EfAfF16oAU/s640/blogger-image--1191800777.jpg"></a></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje-hoR-UUTPgh4YL9k23J5C5CKca3ZP74nu6qAxgv_iG_etvpZWbDoTBMDSjyc47KMrBTY9XzTO-xAQ0v_JtmV3meSRciRVT0CUc_SSsWCUNtbHOlbNJrOYqbOND1WczGduA-29-GlNBg/s640/blogger-image-173225505.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEje-hoR-UUTPgh4YL9k23J5C5CKca3ZP74nu6qAxgv_iG_etvpZWbDoTBMDSjyc47KMrBTY9XzTO-xAQ0v_JtmV3meSRciRVT0CUc_SSsWCUNtbHOlbNJrOYqbOND1WczGduA-29-GlNBg/s640/blogger-image-173225505.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">All done</div><br></div><br></div><br></div><br></div><br></div><br></div><br></div><br></div><br></div><br></div><br></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-24360766566795471562015-04-14T08:55:00.001-07:002015-04-15T21:41:58.356-07:00Aprs trackerA few discrete components<br>
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An arduino</div>
<div>
A gps</div>
<div>
A display</div>
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And a radio and poof, an Aprs tracker</div>
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<div class="separator" style="clear: both;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiE7meS6KXXdSqAd2YIzhjyetXdh-UuZIQ2Yj-CjnbRk6juve9wpyYVVluHrkksepUsdMQLqvRVEDmc2yzzmLlA1p9XF_eLPb6gA-lQsVNqRl4Xfh6KVktQ6vrfHSgX7BGV1DRtRK4LOtM/s640/blogger-image--872886789.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiE7meS6KXXdSqAd2YIzhjyetXdh-UuZIQ2Yj-CjnbRk6juve9wpyYVVluHrkksepUsdMQLqvRVEDmc2yzzmLlA1p9XF_eLPb6gA-lQsVNqRl4Xfh6KVktQ6vrfHSgX7BGV1DRtRK4LOtM/s640/blogger-image--872886789.jpg"></a></div>
<br>
<a href="http://aprs.fi/#!call=a%2FKG7LCN-1&timerange=3600&tail=3600">http://aprs.fi/#!call=a%2FKG7LCN-1&timerange=3600&tail=3600</a></div><div><br></div><div>Then a ferrite choke for reflected rf </div><div>Adjustment of the signal</div><div>A better antenna </div><div><br></div><div>And... Off to the races</div><div><br></div><div> https://github.com/jweers1/Aprs-Tracker</div><div><br></div><div>Everything is on github..</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCROLh8_BYfBcSSpg5wdR6R65oizD_vSNH00AoCiKOZEOht1MSvgrMpQYc0ZTBmLiJQDEquj5zxu86vQfB-VzfkCOK-RmaW6aewmILDww7G4bLRSXOQf4IgbdAvp2tuvn_qwN9ySUrAe0/s640/blogger-image-2076253328.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCROLh8_BYfBcSSpg5wdR6R65oizD_vSNH00AoCiKOZEOht1MSvgrMpQYc0ZTBmLiJQDEquj5zxu86vQfB-VzfkCOK-RmaW6aewmILDww7G4bLRSXOQf4IgbdAvp2tuvn_qwN9ySUrAe0/s640/blogger-image-2076253328.jpg"></a></div><br></div><div><br></div><div><br>
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Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-34983035402570907662015-01-17T18:33:00.001-08:002015-01-17T18:33:32.465-08:00Desktop Clock<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8YmG9T7IsYwx1oswmxEXR8BFltE8YgedYVCtyrKTa8U5nYDo0fUd-3CiqWt9xsH1kqTS-Zst1s6R_5VDWk5XAiKAW9Ia72glhyIK35w6QIztOrElqCiB4FTrNjU5yfwhuEyDUKw-TWpI/s640/blogger-image--440421161.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8YmG9T7IsYwx1oswmxEXR8BFltE8YgedYVCtyrKTa8U5nYDo0fUd-3CiqWt9xsH1kqTS-Zst1s6R_5VDWk5XAiKAW9Ia72glhyIK35w6QIztOrElqCiB4FTrNjU5yfwhuEyDUKw-TWpI/s640/blogger-image--440421161.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrj5sEBJcwldOeD8GaKde-OgHOLK2RNsMK5s8FXaIYw8k6OmiVIVqTOYo8pycE7pqWPn803x-O66eNyJei_I4ovyvSstGqFjsRaoshN2lQOfjjFJs0cY0MQg2pw_X9FbwcNPcg0_tGWbI/s640/blogger-image-1878941364.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrj5sEBJcwldOeD8GaKde-OgHOLK2RNsMK5s8FXaIYw8k6OmiVIVqTOYo8pycE7pqWPn803x-O66eNyJei_I4ovyvSstGqFjsRaoshN2lQOfjjFJs0cY0MQg2pw_X9FbwcNPcg0_tGWbI/s640/blogger-image-1878941364.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ8KdSC-pnE_6ufLdojUHIpBXL0WAxZHlzkxJIa9-9ZkG_N7hqcf9NbxJ2JwCZSIa_ZxGo3GGCCxbSOgqTlagdMtr9XlCd3HFX_aL7PjYQ3x-7ShFS7oObFd6UeKNMG6maoiaW6jAsY6g/s640/blogger-image-876731183.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhQ8KdSC-pnE_6ufLdojUHIpBXL0WAxZHlzkxJIa9-9ZkG_N7hqcf9NbxJ2JwCZSIa_ZxGo3GGCCxbSOgqTlagdMtr9XlCd3HFX_aL7PjYQ3x-7ShFS7oObFd6UeKNMG6maoiaW6jAsY6g/s640/blogger-image-876731183.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">It uses a DS1821 temp sensor.</div><div class="separator" style="clear: both;"><br></div><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrj5sEBJcwldOeD8GaKde-OgHOLK2RNsMK5s8FXaIYw8k6OmiVIVqTOYo8pycE7pqWPn803x-O66eNyJei_I4ovyvSstGqFjsRaoshN2lQOfjjFJs0cY0MQg2pw_X9FbwcNPcg0_tGWbI/s640/blogger-image-1878941364.jpg"></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">An inexpensive display, atmega 328p, RTC module and an oscillator.</div><div class="separator" style="clear: both;"><br></div><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg8YmG9T7IsYwx1oswmxEXR8BFltE8YgedYVCtyrKTa8U5nYDo0fUd-3CiqWt9xsH1kqTS-Zst1s6R_5VDWk5XAiKAW9Ia72glhyIK35w6QIztOrElqCiB4FTrNjU5yfwhuEyDUKw-TWpI/s640/blogger-image--440421161.jpg"></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">And what project would be complete without ugly wiring on the back...</div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-38692133829399985912014-12-24T20:10:00.001-08:002014-12-24T20:10:43.141-08:00Bare bones ArduinoArduino Uno Minimal circuit<div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAdCUKpbT3E5b1IGuXBypbO5qS2WPKiSklczmKfA8gioRDGM6JUTTyY42lquiOtkobW3Pxoccwn9rHM3kiLCzkfGQ96q9kzHzfgQhdWIYY_oLjveVeOwXbLSgbgXBJBDEdkgNTS-5XdOo/s640/blogger-image--801284731.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiAdCUKpbT3E5b1IGuXBypbO5qS2WPKiSklczmKfA8gioRDGM6JUTTyY42lquiOtkobW3Pxoccwn9rHM3kiLCzkfGQ96q9kzHzfgQhdWIYY_oLjveVeOwXbLSgbgXBJBDEdkgNTS-5XdOo/s640/blogger-image--801284731.jpg"></a></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-32760627614016103972014-12-23T21:40:00.001-08:002014-12-23T21:40:39.931-08:00Temperature sensor put togetherTemperature sensor after assembly<div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiuqq-RouiQ3QhszyZEkk9xNtHZfjUA8INREBlz3phgJ1HMW2WYdEhuzW-Wtj7rIMe1ErBrXT86Yx9BRj_50cKKFNi6Uj-SfjCP3xdlQ3O60xmDQn9gfUwsYls_AhA5MsOUSWZ9R8XfT8/s640/blogger-image-2077982734.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhiuqq-RouiQ3QhszyZEkk9xNtHZfjUA8INREBlz3phgJ1HMW2WYdEhuzW-Wtj7rIMe1ErBrXT86Yx9BRj_50cKKFNi6Uj-SfjCP3xdlQ3O60xmDQn9gfUwsYls_AhA5MsOUSWZ9R8XfT8/s640/blogger-image-2077982734.jpg"></a></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkILJ6QOQqqiRuEe7fBOVg8xGD5-Of5dzZVZD9f87diBBoeCkGVEptSCOJH7QnzPUmnwPq1ys9dYG-djaStuqead17sDoD_TV2aQUEdJnox8sue3RdgR0b7Q1ch7RU3xEBBJDkTqkVuUY/s640/blogger-image-1827341981.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkILJ6QOQqqiRuEe7fBOVg8xGD5-Of5dzZVZD9f87diBBoeCkGVEptSCOJH7QnzPUmnwPq1ys9dYG-djaStuqead17sDoD_TV2aQUEdJnox8sue3RdgR0b7Q1ch7RU3xEBBJDkTqkVuUY/s640/blogger-image-1827341981.jpg"></a></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4acpfRn9zgHkRgOrWNGac_ASR_b87nguEqfKsY7k8wn4kcTDoHFYuKm2DJknOcH3mshaDaY5qn2rdXmpcKjZUOXLcvnrBj5SP3XQr7nt482cld5lybPumdjobvyNKmgUh0p0vloenYC0/s640/blogger-image-370633542.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4acpfRn9zgHkRgOrWNGac_ASR_b87nguEqfKsY7k8wn4kcTDoHFYuKm2DJknOcH3mshaDaY5qn2rdXmpcKjZUOXLcvnrBj5SP3XQr7nt482cld5lybPumdjobvyNKmgUh0p0vloenYC0/s640/blogger-image-370633542.jpg"></a></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-68205351110717442042014-11-18T20:21:00.001-08:002014-11-18T20:21:18.908-08:00passive infrared power switch.So, a few parts<div>an Arduino</div><div>a micro display</div><div>a passive infrared sensor</div><div>a relay</div><div>a power outlet</div><div>and a box...</div><div><br></div><div>and some code.... </div><div><br></div><div>and oh by the way... what happens when you sprintf 11 characters into a char[10]? the arduino resets.</div><div><br></div><div>Prototyping.</div><div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgk0t3o3WzFm5WJ-i8zhkqMRUztn-RmAE4ooIPnOPoYxkXCBUHx8hF1HEBncLDa1_JU1HcjfIzXtM7bEHVGSJl6Jk5Zd4WxtxxtiMEUZA1oeTUB4Y_Radzt86dD3atsmZFmo9qk8_5sNSo/s640/blogger-image-1424895033.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgk0t3o3WzFm5WJ-i8zhkqMRUztn-RmAE4ooIPnOPoYxkXCBUHx8hF1HEBncLDa1_JU1HcjfIzXtM7bEHVGSJl6Jk5Zd4WxtxxtiMEUZA1oeTUB4Y_Radzt86dD3atsmZFmo9qk8_5sNSo/s640/blogger-image-1424895033.jpg"></a></div><br></div><div class="separator" style="clear: both;">seems functional... let's put it on a board..</div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZthnRXFBwboXiC1oecRXH1-Jwf9OD4NYQYc-lAQ50rtWIkGBq4UAv41PVE74o2k_GwW_bW9CDGu8VI5mkYOr_g8Gb7LOtzfpkXz5WASPFUQcJt3X50LK41Z8N661LhXzHlvp7mVq3mMQ/s640/blogger-image--1767289464.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZthnRXFBwboXiC1oecRXH1-Jwf9OD4NYQYc-lAQ50rtWIkGBq4UAv41PVE74o2k_GwW_bW9CDGu8VI5mkYOr_g8Gb7LOtzfpkXz5WASPFUQcJt3X50LK41Z8N661LhXzHlvp7mVq3mMQ/s640/blogger-image--1767289464.jpg"></a></div><br></div><div class="separator" style="clear: both;">small wiring...</div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8TiaZtTvjVF3nhMoTo2XMmiU2NJtGmPkhPRVHdyryCid_FOBZ8xi41330oOBlStnP-40ME7pNpCG-8DebKo9cc3pB-ZRSTIgF4RNtNRNYqdQEVE8NjlNQ5cBrZnf3R14DZdGTY61N2-k/s640/blogger-image--1049676172.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8TiaZtTvjVF3nhMoTo2XMmiU2NJtGmPkhPRVHdyryCid_FOBZ8xi41330oOBlStnP-40ME7pNpCG-8DebKo9cc3pB-ZRSTIgF4RNtNRNYqdQEVE8NjlNQ5cBrZnf3R14DZdGTY61N2-k/s640/blogger-image--1049676172.jpg"></a></div><br></div><div class="separator" style="clear: both;">and a box...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLCYIPJr_qhuJShdC0bfAzJF-XsSaS8YocOvi9c4f3H4yfD7UJs7qqaeiYIxADFt_THTPwWu14KkbrdsseAFpcuEbqJ3fb5caQ0EMn4dc3PJbbK47VyJ9G_A5lAZwM4hX8PBrnYW-vdFE/s640/blogger-image--471308633.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLCYIPJr_qhuJShdC0bfAzJF-XsSaS8YocOvi9c4f3H4yfD7UJs7qqaeiYIxADFt_THTPwWu14KkbrdsseAFpcuEbqJ3fb5caQ0EMn4dc3PJbbK47VyJ9G_A5lAZwM4hX8PBrnYW-vdFE/s640/blogger-image--471308633.jpg"></a></div><br></div><div class="separator" style="clear: both;">oh wait... how do we power the thing... it doesn't work so well when you plug the arduino into the switched outlet...</div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeFmaoeJClufSaLw44Ckfv7lsMJAWUMRxlpb87pqTLvnt7c3v1wOD2Ss-l-nQlGpnUeaUiZ179aWONaYb7cqY7cgGsnSyld2sJWY7C5WOWmVlpVSHsPlhcqQO824gX_ZGfMcH27b8KexQ/s640/blogger-image-617345454.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjeFmaoeJClufSaLw44Ckfv7lsMJAWUMRxlpb87pqTLvnt7c3v1wOD2Ss-l-nQlGpnUeaUiZ179aWONaYb7cqY7cgGsnSyld2sJWY7C5WOWmVlpVSHsPlhcqQO824gX_ZGfMcH27b8KexQ/s640/blogger-image-617345454.jpg"></a></div><br></div><div class="separator" style="clear: both;">this ought to do..</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2hDf9Oi2vgwTn-kM5ek3ctlIHodF7P6AaAaUUcJm9lXgGZCywPGpYlVtaKwiX1SLZ0gQyrLrHy_9G4fFWOXxdeHfoT2-8BUvNsLM_sJNS6Qt_arsHi2WADN88srSOjDsacK7vzV921fA/s640/blogger-image--1512060383.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2hDf9Oi2vgwTn-kM5ek3ctlIHodF7P6AaAaUUcJm9lXgGZCywPGpYlVtaKwiX1SLZ0gQyrLrHy_9G4fFWOXxdeHfoT2-8BUvNsLM_sJNS6Qt_arsHi2WADN88srSOjDsacK7vzV921fA/s640/blogger-image--1512060383.jpg"></a></div><br></div><div class="separator" style="clear: both;">looks good...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKwB2D7AXId2H6rXYDpuvAUKGfjJHrvaKfYt7CEIwdD3v11VTAdAL63bDmySuTmS5PMcRCKxnFbDR8MfvKE1n-baszXf0v09SWng5v3T1gMxlX5TvEUVK3sNWP71Vx-2khXjLplfQIcEw/s640/blogger-image--1881753174.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKwB2D7AXId2H6rXYDpuvAUKGfjJHrvaKfYt7CEIwdD3v11VTAdAL63bDmySuTmS5PMcRCKxnFbDR8MfvKE1n-baszXf0v09SWng5v3T1gMxlX5TvEUVK3sNWP71Vx-2khXjLplfQIcEw/s640/blogger-image--1881753174.jpg"></a></div><br></div><div class="separator" style="clear: both;">and mounting it up..</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_Wo0DE5cj2js2yDbX2fClLFD3l12jTwHED-Bp-At4o2XGrPUzwIjY6Mq6Uep66FiTvTCBJ9FLLBquvtFm0qQRlsmu8Yx1f7ghJoxn1ISUWS31BpzKWQCJW49QcfeGr13PYtj0kh0vMz0/s640/blogger-image-1302603033.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi_Wo0DE5cj2js2yDbX2fClLFD3l12jTwHED-Bp-At4o2XGrPUzwIjY6Mq6Uep66FiTvTCBJ9FLLBquvtFm0qQRlsmu8Yx1f7ghJoxn1ISUWS31BpzKWQCJW49QcfeGr13PYtj0kh0vMz0/s640/blogger-image-1302603033.jpg"></a></div><br></div>done...</div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfNG6wsSoxMDalwmzg-nqExR7JZUfg-CWFTOHAJj3NdEdl-d95J37Uo2hKrOTUV_XFH_pUmTOsntrRBn1KeUXDYdASS_F1MbDRnUx_Cyjd-EY5vqGFga8xsZOTZ6fs-7hPBC5h873p_PQ/s640/blogger-image--341601507.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgfNG6wsSoxMDalwmzg-nqExR7JZUfg-CWFTOHAJj3NdEdl-d95J37Uo2hKrOTUV_XFH_pUmTOsntrRBn1KeUXDYdASS_F1MbDRnUx_Cyjd-EY5vqGFga8xsZOTZ6fs-7hPBC5h873p_PQ/s640/blogger-image--341601507.jpg"></a></div><br></div><div>and buttoned up.</div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8RyVkTwMTB80M_o63nbZcmhAJYgPli7ZiPHfFFZR7QA3KfvQ0kvrPSHKj5sIEmAHnijNduBwm7ODann5YZswkDBUv39f_RYNMOi5lzTkrqRswnY83vpBdB9BI9o1E7B60RUVCXkrPE6k/s640/blogger-image--1462587952.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8RyVkTwMTB80M_o63nbZcmhAJYgPli7ZiPHfFFZR7QA3KfvQ0kvrPSHKj5sIEmAHnijNduBwm7ODann5YZswkDBUv39f_RYNMOi5lzTkrqRswnY83vpBdB9BI9o1E7B60RUVCXkrPE6k/s640/blogger-image--1462587952.jpg"></a></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-69929568169033217612014-10-28T21:10:00.001-07:002014-10-28T21:10:09.345-07:00Playing with Legos<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiv1n3SoEf9VupKSOtKVcNjEf3Q_taxecEsoI7IH5aDJ9Suyf-mZMJL2EzMnA0I0SdVIC0nuDfmn6GaGRJqFuP-5ca7rxhTwHaVxcq85qhIk6jA6e3T3s7n9en_zRFvbQ28D1YCqqKh0l0/s640/blogger-image-711215037.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiv1n3SoEf9VupKSOtKVcNjEf3Q_taxecEsoI7IH5aDJ9Suyf-mZMJL2EzMnA0I0SdVIC0nuDfmn6GaGRJqFuP-5ca7rxhTwHaVxcq85qhIk6jA6e3T3s7n9en_zRFvbQ28D1YCqqKh0l0/s640/blogger-image-711215037.jpg"></a></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-83622001518733953252014-10-19T11:07:00.001-07:002014-10-19T11:07:18.501-07:00Temp sensorHey Q. Here's an easy one for the Nerdlings...<div><br></div><div>An embedded processor, a ds1821, and a display.</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiepILmJoNfYBY9Y5ieH8vBsRrFQ-B3IwuFZMw-EY7khnH3VaRpyyYMq4RJTmw357CpNWbPM3JGbi3hT0b7TBT7sYS-UfnftIKzBM4LdCRelIdP03pFY3YeOMSXUgDOJ_K3yRgvdgq3re4/s640/blogger-image--580087004.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiepILmJoNfYBY9Y5ieH8vBsRrFQ-B3IwuFZMw-EY7khnH3VaRpyyYMq4RJTmw357CpNWbPM3JGbi3hT0b7TBT7sYS-UfnftIKzBM4LdCRelIdP03pFY3YeOMSXUgDOJ_K3yRgvdgq3re4/s640/blogger-image--580087004.jpg"></a></div></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">I have spare parts if they are interested..<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2b0OKxbIT2Ohzy8n4v6yQtL7Xdlwpf_hs6T1JWPNRa1K2Nxf4geNWMOahw0KTeqbplts0Q7UVsUUy07LwVhm6S6cYt-HuIurPzLf38WT0h7LlUyadxPPJr498nvzTyO2hiQVd7stQOCY/s640/blogger-image-192667104.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh2b0OKxbIT2Ohzy8n4v6yQtL7Xdlwpf_hs6T1JWPNRa1K2Nxf4geNWMOahw0KTeqbplts0Q7UVsUUy07LwVhm6S6cYt-HuIurPzLf38WT0h7LlUyadxPPJr498nvzTyO2hiQVd7stQOCY/s640/blogger-image-192667104.jpg"></a></div></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-50446877401832936792014-10-15T19:54:00.001-07:002014-10-15T19:58:42.768-07:00Taser<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNKUQdnzBuHEug5kq3dJGeY5PDHuG514AXP93i13ZiXjkt7nYA3YqVgQwYeEmu8HpLj4DPVE2iXj_kK49fpte2DxHO9cDcGS8OnVZlpZZyXvRZc-SlqOofbKKYXTyMI9lO-fycwLwXgYU/s640/blogger-image-1544380568.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><div class="separator" style="clear: both;"><br></div><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNKUQdnzBuHEug5kq3dJGeY5PDHuG514AXP93i13ZiXjkt7nYA3YqVgQwYeEmu8HpLj4DPVE2iXj_kK49fpte2DxHO9cDcGS8OnVZlpZZyXvRZc-SlqOofbKKYXTyMI9lO-fycwLwXgYU/s640/blogger-image-1544380568.jpg"></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDwiQ6FqFt36bMinQFDl9eqaifEOKIOKH2MOW7Lzm0_m6nSW0iNMkAUino3NwUL7oWpOrwqS5p_Fhc1QkmMUsM4t0uTlD8xiRW_RN8veXu-M2tcj33RpjtjHOiSUDu_fa_PhwmZNr4KKo/s640/blogger-image-342183024.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDwiQ6FqFt36bMinQFDl9eqaifEOKIOKH2MOW7Lzm0_m6nSW0iNMkAUino3NwUL7oWpOrwqS5p_Fhc1QkmMUsM4t0uTlD8xiRW_RN8veXu-M2tcj33RpjtjHOiSUDu_fa_PhwmZNr4KKo/s640/blogger-image-342183024.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8slM0XGvBvLG4I0XLQWqMiAL9PyLq2iTTt1rUKwGCPiJKRo6vNjr1r0LP-aVGx9UA6nQGt8UhGvKF9xF5tE_AF56ho9raIwJ9jYTDOi0MsO5oNf_XogJ1sEocNQLCBCK8_aUKooK4RPw/s640/blogger-image--587755987.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8slM0XGvBvLG4I0XLQWqMiAL9PyLq2iTTt1rUKwGCPiJKRo6vNjr1r0LP-aVGx9UA6nQGt8UhGvKF9xF5tE_AF56ho9raIwJ9jYTDOi0MsO5oNf_XogJ1sEocNQLCBCK8_aUKooK4RPw/s640/blogger-image--587755987.jpg"></a></div><br></div>And Joel has gotten hit twice now from the capacitor.. 330V is pretty good...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtlX8ZEQblF7ZC1ugdh9i4HpwXHxECoEZf_M5u6afqv4fm9MsUEZ7-0Mmzi-Ih9cd_epS7aEjtp2osZ3TtGvoq9eQap1kQkqCsnEjgEV19CaxM_esqqV6tCft6FxVl5HhGoVVPrRZvOUg/s640/blogger-image--1224244762.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgtlX8ZEQblF7ZC1ugdh9i4HpwXHxECoEZf_M5u6afqv4fm9MsUEZ7-0Mmzi-Ih9cd_epS7aEjtp2osZ3TtGvoq9eQap1kQkqCsnEjgEV19CaxM_esqqV6tCft6FxVl5HhGoVVPrRZvOUg/s640/blogger-image--1224244762.jpg"></a></div><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><br></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-25733360912613053472014-10-15T19:41:00.001-07:002014-10-15T19:43:15.975-07:00Arduino'sswitched out recently from the Arduino Uno to the Nano (v3.0)<div><br><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizkTsmSYdrCoKBrBJWmmrhe9UbATY-aH8qnS5qIuvabLv7MIyw45nY3LEvVMLB5B_SkwIDock6ZlyqvJ3qpiy22NvNF0yP5_DtbKQxfYh_YjfJuOME4p_eZGndEr4mJfRdhhq5afKECDA/s640/blogger-image-1051132253.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizkTsmSYdrCoKBrBJWmmrhe9UbATY-aH8qnS5qIuvabLv7MIyw45nY3LEvVMLB5B_SkwIDock6ZlyqvJ3qpiy22NvNF0yP5_DtbKQxfYh_YjfJuOME4p_eZGndEr4mJfRdhhq5afKECDA/s640/blogger-image-1051132253.jpg"></a></div><br></div></div><div>easier to fit into things and if I build an actual custom PCB then I can mount the arduino directly. and since I know someone with a CNC mill for just such PCB creation, I should be set... </div><div><br></div><div>what is that other thing the orange wire is plugged into? its a DS1821 temperature sensor. pretty cool little device.</div><div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-67345211504580884912014-10-15T17:48:00.001-07:002014-10-15T17:48:54.930-07:00An Extremely Terrible MisfortuneSo,<div><br></div><div>A terrible misfortune happened (to someone else) and the single copy of their important data was on a flash drive. It was plugged into the computer when said laptop decided to challenge the law of gravity.</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjvVDRvFfJS2Ti-aqpTv5BTIV1MC4aKAZewQYJIe34sPRq-redkqTYgA1-nM2Nm34vv5-GYvGWEJEV1PqzNpTvqdZqT6CcQKewWyN8RTVMLtIaiEoqzIz_DJ08a-IA19gcuM4uTJpCc8E/s640/blogger-image--1114205113.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgjvVDRvFfJS2Ti-aqpTv5BTIV1MC4aKAZewQYJIe34sPRq-redkqTYgA1-nM2Nm34vv5-GYvGWEJEV1PqzNpTvqdZqT6CcQKewWyN8RTVMLtIaiEoqzIz_DJ08a-IA19gcuM4uTJpCc8E/s640/blogger-image--1114205113.jpg"></a></div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhf6vf156J8W0U3KF0oDSLw-a8AWTNsS6huKEZh0TyTdht9I4FIgMx1uZl5lbZpWbn2l3wyNnBFuNyJdc2ikyFLP8juXZ27E6Qpk5aV_UM44COJTsrYH8wUFiI69IJV67IyPinu8bI67lA/s640/blogger-image-473159937.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhf6vf156J8W0U3KF0oDSLw-a8AWTNsS6huKEZh0TyTdht9I4FIgMx1uZl5lbZpWbn2l3wyNnBFuNyJdc2ikyFLP8juXZ27E6Qpk5aV_UM44COJTsrYH8wUFiI69IJV67IyPinu8bI67lA/s640/blogger-image-473159937.jpg"></a></div><br></div><div><br></div><div>The flash drive lost..</div><div><br></div><div>and so the soldering iron came out and I managed to recover the data...</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxsrTGrWI4MjzN4oN2OlhWkdxbE6bqoWylodlDVFNEsBbrNmxCVB1EIe8YE_6K1v5cfZr5sO-OXExYktKneG1UJXLDRUM78tyCpQoEY13P8F4CHhM6WmrX2ycUOMKlrmWfRjOsEfW204Q/s640/blogger-image--1389775882.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxsrTGrWI4MjzN4oN2OlhWkdxbE6bqoWylodlDVFNEsBbrNmxCVB1EIe8YE_6K1v5cfZr5sO-OXExYktKneG1UJXLDRUM78tyCpQoEY13P8F4CHhM6WmrX2ycUOMKlrmWfRjOsEfW204Q/s640/blogger-image--1389775882.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">and the moral of the story is... Backup your data... a single copy on a flash drive isn't safe.</div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-40922879023318794022014-10-15T16:29:00.001-07:002014-10-15T16:29:39.534-07:00FM transmitter<a href="http://www.mikeyancey.com/FM-Stereo-Broadcaster.php">http://www.mikeyancey.com/FM-Stereo-Broadcaster.php</a><div><br></div><div>Hey Nerdlings!! Here is your project...</div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-13429826051621507892014-10-15T15:24:00.001-07:002014-10-15T19:36:44.476-07:00Hmm... I need an oscillatorand I have an arduino and an extra AD9850 setting around...<div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiV33JO7CERkbzYwJSp6r3xSVZ9b1Tx0Vr9u8iTGT9b7G9gmx9inLBgQODhGhqXSV43VnZU6dDGJ7_pIzdKayKHEqNeopfIz82tAZfj7AEDCmr8Lsu8nt3a1rMXWvsacxtZ6rhlCG8Mrg/s640/blogger-image--1230237943.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiV33JO7CERkbzYwJSp6r3xSVZ9b1Tx0Vr9u8iTGT9b7G9gmx9inLBgQODhGhqXSV43VnZU6dDGJ7_pIzdKayKHEqNeopfIz82tAZfj7AEDCmr8Lsu8nt3a1rMXWvsacxtZ6rhlCG8Mrg/s640/blogger-image--1230237943.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicM52e89OlrLIe-Ca3-EBZPn4qgHMcNksfZ2LXAcXeHBzJzQpXou9skSAsP4K9DsHW9nejhX-cGJjmkTIAf5M7mWi9clQgWph_2wkRpAYCxMq9ZyYlesi2b8wDxxGrSuN7iucb0AtK9ag/s640/blogger-image-145908080.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEicM52e89OlrLIe-Ca3-EBZPn4qgHMcNksfZ2LXAcXeHBzJzQpXou9skSAsP4K9DsHW9nejhX-cGJjmkTIAf5M7mWi9clQgWph_2wkRpAYCxMq9ZyYlesi2b8wDxxGrSuN7iucb0AtK9ag/s640/blogger-image-145908080.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">so the theory seems to work just fine. now we need to control and report... so some user interface work, a rotary encoder, a switch, a 10k trimmer and a box later and...</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZAAVscs40r9nKSxXt38_mTp1VDeImst7LHQ0zN0MXXmgWgTlvlRuilSUAiY1SoC8aC0TLbC35aJS94QjhciaVv4NwXwcG0l9afQFBn1PKxnV8WOAhveA-5SWuD-l_Fc1SH3zIad1RYxE/s640/blogger-image--1427578244.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjZAAVscs40r9nKSxXt38_mTp1VDeImst7LHQ0zN0MXXmgWgTlvlRuilSUAiY1SoC8aC0TLbC35aJS94QjhciaVv4NwXwcG0l9afQFBn1PKxnV8WOAhveA-5SWuD-l_Fc1SH3zIad1RYxE/s640/blogger-image--1427578244.jpg"></a></div><br></div><br></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-35764596852264457312014-10-15T15:23:00.001-07:002014-10-15T15:23:08.097-07:00It's Dead Jim.... no, It's aliveMy poor radio needed a back-end Amp replacement. seems a couple of the transistors had died..<div><br></div><div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzmnc-Z2WSftAOz-RSqrfhYf5MZz2NXyr0rEOM9kZys78VD9crXNQq8HCyN0MXzl_FdfpNU248L8zy1wbNUkLENasybveZ9-veJV0nUroBsVcTH7QKCJwDP6j1bvmpxhNk15jSYfGj-5o/s640/blogger-image-855718788.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzmnc-Z2WSftAOz-RSqrfhYf5MZz2NXyr0rEOM9kZys78VD9crXNQq8HCyN0MXzl_FdfpNU248L8zy1wbNUkLENasybveZ9-veJV0nUroBsVcTH7QKCJwDP6j1bvmpxhNk15jSYfGj-5o/s640/blogger-image-855718788.jpg"></a></div><br></div><br></div><div>so, after some work, it's alive again..</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhgzwIvSQhPidIYAIshyODeHoJd6zFDWidYtu9pYezhyphenhypheno2JC7jtyqxomXNIjEtSt82oYtxZGAfjyc2HktI9RulBHo4M0b5_ESkqmi56ml14wl8v-IlrpUPjd1YdJ9Dwnz6t2xICh6h9DEo/s640/blogger-image--911218979.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhgzwIvSQhPidIYAIshyODeHoJd6zFDWidYtu9pYezhyphenhypheno2JC7jtyqxomXNIjEtSt82oYtxZGAfjyc2HktI9RulBHo4M0b5_ESkqmi56ml14wl8v-IlrpUPjd1YdJ9Dwnz6t2xICh6h9DEo/s640/blogger-image--911218979.jpg"></a></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-21553342715099037732014-10-15T15:19:00.001-07:002014-10-15T19:38:25.005-07:00Build a Tape Measure<div><br></div><div>So, I have an Arduino and a spare ultrasonic and some displays... what to do. Oh... a tape measure.</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxC260eU7o1R1k0LS5x43hk5JJdmb4iCEwheCy6K3tIOkN6iIVCm5AEFVeVkOvrnJF58pZUh6IFE7hsRT2Uibhg-w8L4ZxTUNquze4sQbXy4CJvN3fQNsvG3Ns3hyphenhyphenX8tSxjhSuoPLqzSg/s640/blogger-image--2024671030.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxC260eU7o1R1k0LS5x43hk5JJdmb4iCEwheCy6K3tIOkN6iIVCm5AEFVeVkOvrnJF58pZUh6IFE7hsRT2Uibhg-w8L4ZxTUNquze4sQbXy4CJvN3fQNsvG3Ns3hyphenhyphenX8tSxjhSuoPLqzSg/s640/blogger-image--2024671030.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4xh2VIQG34y1TZv1BZ2K_HJuTBlmR4tawv8E4dXHgbs1DUSN5eQ8e0eZSuOWjd5S0T-l8fF4l8axYMaYFEg9mkkMItw9KcgpSESAb9MP2AoQlasKUQgTj3Jxjy8irBQuA3KP9F_HD8gI/s640/blogger-image--872933489.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4xh2VIQG34y1TZv1BZ2K_HJuTBlmR4tawv8E4dXHgbs1DUSN5eQ8e0eZSuOWjd5S0T-l8fF4l8axYMaYFEg9mkkMItw9KcgpSESAb9MP2AoQlasKUQgTj3Jxjy8irBQuA3KP9F_HD8gI/s640/blogger-image--872933489.jpg"></a></div><br></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0tag:blogger.com,1999:blog-7900396268217578214.post-45764849319301533812014-10-15T15:18:00.001-07:002014-10-15T17:57:08.033-07:00Build an Antenna Analyzer<div><br></div><div>So I was looking for a way to get some antenna's (or is it antennae?) up on my roof for my radio.</div><div><br></div><div>In order to get them built, I need an analyzer. Being a good engineer, don't invent things that already exist and I found Luca's kit. </div><div><br></div><div><a href="http://iphone-atom1945.blogspot.com/2013/10/antenna-analyzer-with-arduino-nano-kit.html" style="font-family: 'Helvetica Neue Light', HelveticaNeue-Light, helvetica, arial, sans-serif;">http://iphone-atom1945.blogspot.com/2013/10/antenna-analyzer-with-arduino-nano-kit.html</a></div><div><br></div><div>The workspace</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDS2YXDYchD6eOetJzLV9PRwtBIpQfEtqQwdDHHwftoy0tezPng1Lg7Lx9k3UmBXP3t_IHum6-Dk1FlpmATP6Dx-3fONAt2OcCcF9yAh_-qvVCal8Cf4ejs3eDXwYkbqOLwpoFBMh3EHI/s640/blogger-image-1064479668.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiDS2YXDYchD6eOetJzLV9PRwtBIpQfEtqQwdDHHwftoy0tezPng1Lg7Lx9k3UmBXP3t_IHum6-Dk1FlpmATP6Dx-3fONAt2OcCcF9yAh_-qvVCal8Cf4ejs3eDXwYkbqOLwpoFBMh3EHI/s640/blogger-image-1064479668.jpg"></a></div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;">the nearly finished product.</div><div class="separator" style="clear: both;"><br></div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjR3sejwFv9aIqzz_I3mfxOOMr7zZpl56CYtxecp4ycCFnio9IN9eZ3k7i2LLgyT0NZSIAcMMf4uaorZadctQAIcL2ZF_72xGvVM2hh1jo_7_z9vD6KipEXZhxnoB3F0nzWPoCaUg_lZo0/s640/blogger-image--572672586.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjR3sejwFv9aIqzz_I3mfxOOMr7zZpl56CYtxecp4ycCFnio9IN9eZ3k7i2LLgyT0NZSIAcMMf4uaorZadctQAIcL2ZF_72xGvVM2hh1jo_7_z9vD6KipEXZhxnoB3F0nzWPoCaUg_lZo0/s640/blogger-image--572672586.jpg"></a></div><br></div><div>and it's alive!!</div><div><br></div><div><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiACoAL4O7E1vpIaig6PkayE_nBSQZPPMtDzmzancWI4i6WshpBe4QrTSjTrU4jH-Ju_VxroNjbkWNGTQEFJ4SRdoYNtVPlnhDS6EFZnEz2fsSYWqddFE5766QDkvK-jYLrWdgD9XqtZes/s640/blogger-image-1446556568.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiACoAL4O7E1vpIaig6PkayE_nBSQZPPMtDzmzancWI4i6WshpBe4QrTSjTrU4jH-Ju_VxroNjbkWNGTQEFJ4SRdoYNtVPlnhDS6EFZnEz2fsSYWqddFE5766QDkvK-jYLrWdgD9XqtZes/s640/blogger-image-1446556568.jpg"></a></div><br></div>Johnhttp://www.blogger.com/profile/07430930376925084193noreply@blogger.com0