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<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom" xmlns:media="http://search.yahoo.com/mrss/"><category term="AskElectronics" label="r/AskElectronics"/><updated>2023-01-24T03:32:43+00:00</updated><icon>https://www.redditstatic.com/icon.png/</icon><id>/r/AskElectronics.rss</id><link rel="self" href="https://www.reddit.com/r/AskElectronics.rss" type="application/atom+xml" /><link rel="alternate" href="https://www.reddit.com/r/AskElectronics" type="text/html" /><logo>https://b.thumbs.redditmedia.com/nq-bfVCsQpxEZMRy.png</logo><subtitle>This is a technical ELECTRONIC ENGINEERING subreddit, covering practical, component-level circuit design and repair, electronic circuit theory, electronic components, tools and equipment.</subtitle><title>AskElectronics</title><entry><author><name>/u/Linker3000</name><uri>https://www.reddit.com/user/Linker3000</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p><em>Welcome to <a href="/r/Askelectronics">r/Askelectronics</a>, a technical ELECTRONIC ENGINEERING subreddit, covering practical, component-level circuit design and repair, electronic circuit theory, electronic components, tools and equipment.</em></p> <p><strong>Please ensure your post is about electronic engineering and is not electrical (<a href="/r/askelectricians">/r/askelectricians</a>).</strong></p> <p>Some mobile browsers and apps don&#39;t show the sidebar, so here&#39;s a summary of our posting rules and a link to the wiki; please read before posting:</p> <ol> <li>Comments must be civil and helpful.</li> <li>Questions must be on-topic and explanatory.</li> <li>The post title and content should summarize the question clearly &amp; concisely.</li> <li>Observe the rules for working on vehicles.</li> <li>Read the sidebar / wiki before posting.</li> <li>Humor in moderation.</li> <li>Be safe!.</li> </ol> <p>Wiki: <a href="https://old.reddit.com/r/AskElectronics/wiki/index">https://old.reddit.com/r/AskElectronics/wiki/index</a></p> <p>FAQ: <a href="https://old.reddit.com/r/AskElectronics/wiki/faq">https://old.reddit.com/r/AskElectronics/wiki/faq</a></p> <p>Our Web sidebar has many helpful links to specialist subreddits which may be more on-topic for some questions: <a href="https://www.reddit.com/r/AskElectronics/">https://www.reddit.com/r/AskElectronics/</a></p> <p><strong>If you need any more guidance, please contact the Moderators: <a href="https://reddit.com/message/compose?to=/r/AskElectronics">https://reddit.com/message/compose?to=/r/AskElectronics</a></strong></p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Linker3000"> /u/Linker3000 </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/xcaog8/please_read_before_posting_especially_if_you_are/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/xcaog8/please_read_before_posting_especially_if_you_are/">[comments]</a></span></content><id>t3_xcaog8</id><link href="https://www.reddit.com/r/AskElectronics/comments/xcaog8/please_read_before_posting_especially_if_you_are/" /><updated>2022-09-12T11:48:14+00:00</updated><published>2022-09-12T11:48:14+00:00</published><title>Please read before posting, especially if you are on a mobile device or using an app.</title></entry><entry><author><name>/u/ZeroDarkness00</name><uri>https://www.reddit.com/user/ZeroDarkness00</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10j845l/why_are_capacitor_arrays_not_very_common/"> <img src="https://preview.redd.it/44jrvuywbrda1.png?width=640&amp;crop=smart&amp;auto=webp&amp;s=3156b3e13f172c6f4a9e6d6b4b983418915a47c5" alt="Why are capacitor arrays not very common ?" title="Why are capacitor arrays not very common ?" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/ZeroDarkness00"> /u/ZeroDarkness00 </a> <br/> <span><a href="https://i.redd.it/44jrvuywbrda1.png">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10j845l/why_are_capacitor_arrays_not_very_common/">[comments]</a></span> </td></tr></table></content><id>t3_10j845l</id><media:thumbnail url="https://preview.redd.it/44jrvuywbrda1.png?width=640&crop=smart&auto=webp&s=3156b3e13f172c6f4a9e6d6b4b983418915a47c5" /><link href="https://www.reddit.com/r/AskElectronics/comments/10j845l/why_are_capacitor_arrays_not_very_common/" /><updated>2023-01-23T09:01:57+00:00</updated><published>2023-01-23T09:01:57+00:00</published><title>Why are capacitor arrays not very common ?</title></entry><entry><author><name>/u/Arc1ZD</name><uri>https://www.reddit.com/user/Arc1ZD</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jtwg5/cfl_bulb_popped_out_of_socket_and_started_a_small/"> <img src="https://external-preview.redd.it/votcd8bo6qyDBV5ZX6HtdK96iPmMtNcRzDAvl_vLUeU.jpg?width=640&amp;crop=smart&amp;auto=webp&amp;s=c245c0f1e94053637e5757d9e8649eed72b4784d" alt="CFL bulb popped out of socket and started a small fire. What could cause this to happen?" title="CFL bulb popped out of socket and started a small fire. What could cause this to happen?" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Arc1ZD"> /u/Arc1ZD </a> <br/> <span><a href="https://media.discordapp.net/attachments/717551703972511796/1067189285863833780/IMG_9381.jpg?width=682&amp;height=910">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jtwg5/cfl_bulb_popped_out_of_socket_and_started_a_small/">[comments]</a></span> </td></tr></table></content><id>t3_10jtwg5</id><media:thumbnail url="https://external-preview.redd.it/votcd8bo6qyDBV5ZX6HtdK96iPmMtNcRzDAvl_vLUeU.jpg?width=640&crop=smart&auto=webp&s=c245c0f1e94053637e5757d9e8649eed72b4784d" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jtwg5/cfl_bulb_popped_out_of_socket_and_started_a_small/" /><updated>2023-01-24T01:43:48+00:00</updated><published>2023-01-24T01:43:48+00:00</published><title>CFL bulb popped out of socket and started a small fire. What could cause this to happen?</title></entry><entry><author><name>/u/joeyda3rd</name><uri>https://www.reddit.com/user/joeyda3rd</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jmmxk/is_this_a_propietary_wifi_module/"> <img src="https://preview.redd.it/jtdlnwfp9wda1.jpg?width=640&amp;crop=smart&amp;auto=webp&amp;s=33d2eca91c89359082f084bce38f5da66cfdaffe" alt="Is this a propietary WiFi Module?" title="Is this a propietary WiFi Module?" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/joeyda3rd"> /u/joeyda3rd </a> <br/> <span><a href="https://i.redd.it/jtdlnwfp9wda1.jpg">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jmmxk/is_this_a_propietary_wifi_module/">[comments]</a></span> </td></tr></table></content><id>t3_10jmmxk</id><media:thumbnail url="https://preview.redd.it/jtdlnwfp9wda1.jpg?width=640&crop=smart&auto=webp&s=33d2eca91c89359082f084bce38f5da66cfdaffe" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jmmxk/is_this_a_propietary_wifi_module/" /><updated>2023-01-23T20:31:22+00:00</updated><published>2023-01-23T20:31:22+00:00</published><title>Is this a propietary WiFi Module?</title></entry><entry><author><name>/u/dudebanner</name><uri>https://www.reddit.com/user/dudebanner</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jp24p/newbie_repair_question_ive_soldered_many_mic/"> <img src="https://b.thumbs.redditmedia.com/tI4fCDPs4A_P7g7FN8Rc0VvlXrykDdowkNXDmaeg3YM.jpg" alt="Newbie repair question: I've soldered many mic cables over the years and am overconfident now. Maybe you can help? This is a bidet remote that's not working. See the darker circles? I wiped off a smear of black over these. Is there any fix? What do you call this kind of connection?" title="Newbie repair question: I've soldered many mic cables over the years and am overconfident now. Maybe you can help? This is a bidet remote that's not working. See the darker circles? I wiped off a smear of black over these. Is there any fix? What do you call this kind of connection?" /> </a> </td><td> <!-- SC_OFF --><div class="md"><p>&#x200B;</p> <p><a href="https://preview.redd.it/x1nuy21h8vda1.png?width=960&amp;format=png&amp;auto=webp&amp;s=2b21f035bfc5b1fd41295ccc86d1bcccfc6eabe8">see the darker circles? is this remote repairable?</a></p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/dudebanner"> /u/dudebanner </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jp24p/newbie_repair_question_ive_soldered_many_mic/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jp24p/newbie_repair_question_ive_soldered_many_mic/">[comments]</a></span> </td></tr></table></content><id>t3_10jp24p</id><media:thumbnail url="https://b.thumbs.redditmedia.com/tI4fCDPs4A_P7g7FN8Rc0VvlXrykDdowkNXDmaeg3YM.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jp24p/newbie_repair_question_ive_soldered_many_mic/" /><updated>2023-01-23T22:08:40+00:00</updated><published>2023-01-23T22:08:40+00:00</published><title>Newbie repair question: I've soldered many mic cables over the years and am overconfident now. Maybe you can help? This is a bidet remote that's not working. See the darker circles? I wiped off a smear of black over these. Is there any fix? What do you call this kind of connection?</title></entry><entry><author><name>/u/Epperli</name><uri>https://www.reddit.com/user/Epperli</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>so basically, i have a record player, and it takes 9 volt 2 amp, but i only have a cable that supplies 12 volt 1.5 amp. so can i use them if they have the same wattage output??????</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Epperli"> /u/Epperli </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jsktz/if_a_cable_supplies_the_same_wattage_as_some_but/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jsktz/if_a_cable_supplies_the_same_wattage_as_some_but/">[comments]</a></span></content><id>t3_10jsktz</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jsktz/if_a_cable_supplies_the_same_wattage_as_some_but/" /><updated>2023-01-24T00:40:23+00:00</updated><published>2023-01-24T00:40:23+00:00</published><title>if a cable supplies the same wattage as some, but different voltage and amperage, can i use that cable?</title></entry><entry><author><name>/u/simbian92</name><uri>https://www.reddit.com/user/simbian92</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jktee/can_this_ledstrip_be_fixed/"> <img src="https://b.thumbs.redditmedia.com/V7xJKX1PAdni-K1kz9jKa2KKNwh8hWjZNlYAHR9SdRM.jpg" alt="Can this ledstrip be fixed?" title="Can this ledstrip be fixed?" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/simbian92"> /u/simbian92 </a> <br/> <span><a href="https://www.reddit.com/gallery/10jktee">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jktee/can_this_ledstrip_be_fixed/">[comments]</a></span> </td></tr></table></content><id>t3_10jktee</id><media:thumbnail url="https://b.thumbs.redditmedia.com/V7xJKX1PAdni-K1kz9jKa2KKNwh8hWjZNlYAHR9SdRM.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jktee/can_this_ledstrip_be_fixed/" /><updated>2023-01-23T19:17:50+00:00</updated><published>2023-01-23T19:17:50+00:00</published><title>Can this ledstrip be fixed?</title></entry><entry><author><name>/u/jizzycummings</name><uri>https://www.reddit.com/user/jizzycummings</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jashv/what_are_these_i_get_the_basics_like_transistors/"> <img src="https://preview.redd.it/tkvkyo99qtda1.png?width=640&amp;crop=smart&amp;auto=webp&amp;s=6c93dc02cf1ebbbeeb840b8436b12fccb906fb92" alt="What are these? I get the basics like transistors resistors caps and all that but what are they tiny black rectangles" title="What are these? I get the basics like transistors resistors caps and all that but what are they tiny black rectangles" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/jizzycummings"> /u/jizzycummings </a> <br/> <span><a href="https://i.redd.it/tkvkyo99qtda1.png">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jashv/what_are_these_i_get_the_basics_like_transistors/">[comments]</a></span> </td></tr></table></content><id>t3_10jashv</id><media:thumbnail url="https://preview.redd.it/tkvkyo99qtda1.png?width=640&crop=smart&auto=webp&s=6c93dc02cf1ebbbeeb840b8436b12fccb906fb92" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jashv/what_are_these_i_get_the_basics_like_transistors/" /><updated>2023-01-23T11:58:53+00:00</updated><published>2023-01-23T11:58:53+00:00</published><title>What are these? I get the basics like transistors resistors caps and all that but what are they tiny black rectangles</title></entry><entry><author><name>/u/reconerboy</name><uri>https://www.reddit.com/user/reconerboy</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>I have a cxb cree 3590 and want to run it with 36 v and 1.4 amps, my led driver has an output of 87-126 volts and 1.4 amps constant current. Is the led regulating the voltage?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/reconerboy"> /u/reconerboy </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10juz1l/can_i_run_cree_cxb_3590_with_a_high_voltage/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10juz1l/can_i_run_cree_cxb_3590_with_a_high_voltage/">[comments]</a></span></content><id>t3_10juz1l</id><link href="https://www.reddit.com/r/AskElectronics/comments/10juz1l/can_i_run_cree_cxb_3590_with_a_high_voltage/" /><updated>2023-01-24T02:36:53+00:00</updated><published>2023-01-24T02:36:53+00:00</published><title>Can I run CREE cxb 3590 with a high voltage driver with constant current?</title></entry><entry><author><name>/u/ElCaminoMan</name><uri>https://www.reddit.com/user/ElCaminoMan</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10ju68t/component_id_appreciated_fried_dogtra_training/"> <img src="https://external-preview.redd.it/X-RlKp5s5-5VcyMl4_3A6HphhyvQsEC_LDYuLII07Lw.jpg?width=640&amp;crop=smart&amp;auto=webp&amp;s=a1cc6be993d3a1e55985fa71a21c1a89dba6b709" alt="Component ID appreciated! Fried dogtra training collar" title="Component ID appreciated! Fried dogtra training collar" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/ElCaminoMan"> /u/ElCaminoMan </a> <br/> <span><a href="https://www.imgur.com/a/YmIxstA">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10ju68t/component_id_appreciated_fried_dogtra_training/">[comments]</a></span> </td></tr></table></content><id>t3_10ju68t</id><media:thumbnail url="https://external-preview.redd.it/X-RlKp5s5-5VcyMl4_3A6HphhyvQsEC_LDYuLII07Lw.jpg?width=640&crop=smart&auto=webp&s=a1cc6be993d3a1e55985fa71a21c1a89dba6b709" /><link href="https://www.reddit.com/r/AskElectronics/comments/10ju68t/component_id_appreciated_fried_dogtra_training/" /><updated>2023-01-24T01:57:22+00:00</updated><published>2023-01-24T01:57:22+00:00</published><title>Component ID appreciated! Fried dogtra training collar</title></entry><entry><author><name>/u/ComradeBelikova</name><uri>https://www.reddit.com/user/ComradeBelikova</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>Sorry To ask for a favor but, Im working on a project called LROG Which stands for Long Range Optical Goggles, and was wondering the parts i would need for it, here&#39;s a briefing on the project.</p> <p>&#x200B;</p> <p><strong>Overview :</strong></p> <p>The LROG Project is a project designed for long range observing of targets, further designs will be planned for shooting ranges for long range combat or hunting engagements. The idea is They are like a binocular on steroids. The idea is that there is a very large lens rectangular lens 100mm in diameter going across the body of the goggles and after the lenses will lie a sensor. This sensor will be hooked up to a display screen near the eyes so the person can see the target, its planned to have a digital zoom mode also, The goggles are powered by an 9V Battery which will be slid into the left side from the person wearing the goggles perspective. I already have figured out the lenses and some materials.</p> <p>&#x200B;</p> <p><strong>My Questions :</strong></p> <p>Now this project will require a lot of parts and lenses and circuitry. Keep in mind im very new to all this stuff so bare with me here. Im wondering if i should need an auto-focus processor or should i do manual focus? Im wondering what major parts i would need for this. Keep in mind the project is 6-7&quot; Wide depending on the size of the persons head, width yet to be chosen. and is 3&quot; tall,and is 2 1/2 in depth. So please give me any part recommendations Its depth is</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/ComradeBelikova"> /u/ComradeBelikova </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jt1t8/my_project_lrog_and_the_components_needed_for_them/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jt1t8/my_project_lrog_and_the_components_needed_for_them/">[comments]</a></span></content><id>t3_10jt1t8</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jt1t8/my_project_lrog_and_the_components_needed_for_them/" /><updated>2023-01-24T01:02:25+00:00</updated><published>2023-01-24T01:02:25+00:00</published><title>My Project LROG, And the components needed for them.</title></entry><entry><author><name>/u/Lotaxi</name><uri>https://www.reddit.com/user/Lotaxi</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>In short, I&#39;m looking for a digital rheostat or amperage regulator of some sort that will allow me to program a constant current output of between 50 and 200mA when fed a variable voltage between 10-120V. It will be connected in series with an electrochemical anodization cell.</p> <p>For context, I&#39;m experimenting with anodizing some titanium. I work in a shop and have a lot of pretty powerful equipment on hand, so I figured I would try to come up with a small scale industrial process that the company can use for its products. I&#39;ve solved a few chemical problems so far. See <a href="https://www.reddit.com/r/knifemods/comments/10e6xji/odd_preciptate_and_scarring_during_titanium/">this post</a> as well as <a href="https://imgur.com/a/HQUcY6M">this update</a>. I&#39;m now looking to improve my process and get better results by better controlling my power parameters.</p> <p>My current (ha) problem is that I&#39;m pushing too much current through my anodization cell and causing some arcs and scarring on my workpieces, as well as some gas evolution that&#39;s causing spots to appear. I&#39;m using a MagnaPower TSD125-120 DC power supply, and while it has constant current capability it regulates amperage output by simply clamping voltage given a constant load or varying voltage given a changing load. I&#39;m seeing too much current passing through my workpiece, and it&#39;s causing various defects. To that effect, I need a solution that I can place inline with the electrochemical cell to better control amperage.</p> <p>My first thought was to add a higher wattage rheostat to control the resistance in the circuit and therefore control my amperage, but if I did so it would require me to change the resistance for any given voltage setting to obtain a specific amperage through the cell. I thought that it might be better if I were able to find a power regulator that could be programmed to automatically vary internal resistance in order to keep a constant output along a wide range of voltages.</p> <p>Does anybody have any pointers toward a solution that might fit these criteria?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Lotaxi"> /u/Lotaxi </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jsoho/looking_for_an_automatically_variable_amperage/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jsoho/looking_for_an_automatically_variable_amperage/">[comments]</a></span></content><id>t3_10jsoho</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jsoho/looking_for_an_automatically_variable_amperage/" /><updated>2023-01-24T00:45:09+00:00</updated><published>2023-01-24T00:45:09+00:00</published><title>Looking for an automatically variable amperage regulator.</title></entry><entry><author><name>/u/Thureon99</name><uri>https://www.reddit.com/user/Thureon99</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jskaf/is_a_15_ohm_resistor_fine_for_this_led_if_i_want/"> <img src="https://external-preview.redd.it/0O0s05QV_qZvbiD3b5YBiNFJx7ZH3s56ootgRlW7cJA.png?width=640&amp;crop=smart&amp;auto=webp&amp;s=5f74a09b8f73fed76c8ca0498d703af33a0fc4a0" alt="Is a 15 ohm resistor fine for this LED if I want to drive it with a Pi Pico gpio pins? (3.3V 16ma)" title="Is a 15 ohm resistor fine for this LED if I want to drive it with a Pi Pico gpio pins? (3.3V 16ma)" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Thureon99"> /u/Thureon99 </a> <br/> <span><a href="https://i.imgur.com/MmoUVBz.png">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jskaf/is_a_15_ohm_resistor_fine_for_this_led_if_i_want/">[comments]</a></span> </td></tr></table></content><id>t3_10jskaf</id><media:thumbnail url="https://external-preview.redd.it/0O0s05QV_qZvbiD3b5YBiNFJx7ZH3s56ootgRlW7cJA.png?width=640&crop=smart&auto=webp&s=5f74a09b8f73fed76c8ca0498d703af33a0fc4a0" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jskaf/is_a_15_ohm_resistor_fine_for_this_led_if_i_want/" /><updated>2023-01-24T00:39:39+00:00</updated><published>2023-01-24T00:39:39+00:00</published><title>Is a 15 ohm resistor fine for this LED if I want to drive it with a Pi Pico gpio pins? (3.3V 16ma)</title></entry><entry><author><name>/u/61wdbf</name><uri>https://www.reddit.com/user/61wdbf</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>Broke the grounding rod off the power cable for our oven. I cut the cord, stripped the rubber and rewired with a new plug. I plugged it in, turned the breakers back on, and it worked. Awesome! Then I moved the oven back and I heard a pop and lost power. I tried both outlets and no luck. How did I manage to blow the outlet?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/61wdbf"> /u/61wdbf </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jsj9v/rewired_a_plug_and_i_think_i_blew_the_outlet_what/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jsj9v/rewired_a_plug_and_i_think_i_blew_the_outlet_what/">[comments]</a></span></content><id>t3_10jsj9v</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jsj9v/rewired_a_plug_and_i_think_i_blew_the_outlet_what/" /><updated>2023-01-24T00:38:17+00:00</updated><published>2023-01-24T00:38:17+00:00</published><title>Rewired a plug and I think I blew the outlet. What now?</title></entry><entry><author><name>/u/loop0br</name><uri>https://www.reddit.com/user/loop0br</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>DISCLAIMER: I&#39;m a noob in electronics and circuits.</p> <p>So, I have a project for a mini-arcade using a raspberry pi, an iPad screen and a 10w audio amp. </p> <p>The problem I&#39;m having is that whenever I use the same power supply to power all 3 boards I get a high pitch noise coming from the speakers. I am pretty sure it is because of the raspberry pi sharing the same power supply.</p> <p>If I unplug the audio amp and connect it to a separate 12v psu, the high pitched noise goes away and all works perfectly.</p> <p>My question is what can I do to keep only one power supply but eliminate this noise coming from the other boards? Is there a way I can put a 12v-12v transformer between the psu and the audio amp? Or a filter?</p> <p>I am pretty lost, that&#39;s why I am asking here.</p> <p>Thank you so much!</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/loop0br"> /u/loop0br </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jrt21/help_with_audio_amplifier_noise/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jrt21/help_with_audio_amplifier_noise/">[comments]</a></span></content><id>t3_10jrt21</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jrt21/help_with_audio_amplifier_noise/" /><updated>2023-01-24T00:04:15+00:00</updated><published>2023-01-24T00:04:15+00:00</published><title>Help with audio amplifier noise</title></entry><entry><author><name>/u/Stock-Opening-2383</name><uri>https://www.reddit.com/user/Stock-Opening-2383</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>Hello, I was recently given around 150 555 timer ics. I was wondering if they are any cool projects which use a load of them?</p> <p>Thanks</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Stock-Opening-2383"> /u/Stock-Opening-2383 </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jqzts/150_555_timer_ics_any_project_ideas/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jqzts/150_555_timer_ics_any_project_ideas/">[comments]</a></span></content><id>t3_10jqzts</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jqzts/150_555_timer_ics_any_project_ideas/" /><updated>2023-01-23T23:29:12+00:00</updated><published>2023-01-23T23:29:12+00:00</published><title>150 555 timer ics, any project ideas?</title></entry><entry><author><name>/u/wromit</name><uri>https://www.reddit.com/user/wromit</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>I am trying to build a 1-inch diameter sphere that lights up when moved in any direction, kind of like the bouncy rubber toy balls that light up on bouncing. But the bouncy rubber ball relies on a spring-based vibration sensor that is triggered by a strong bounce. I&#39;d like my sphere to light up when gently rolled or moved around. </p> <p>I&#39;m looking into using a small, cheap accelerometer and LED, powered by a 3V button battery. The x-y-z axis does not matter, just the fact that when the sphere is moving, the LED should stay lit and then turn off when motion stops. Is this possible without a microcontroller? I&#39;d appreciate any suggestions pointing in the right direction. Thanks.</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/wromit"> /u/wromit </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jhipi/how_to_use_an_accelerometer_as_a_simple_motion/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jhipi/how_to_use_an_accelerometer_as_a_simple_motion/">[comments]</a></span></content><id>t3_10jhipi</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jhipi/how_to_use_an_accelerometer_as_a_simple_motion/" /><updated>2023-01-23T17:07:29+00:00</updated><published>2023-01-23T17:07:29+00:00</published><title>How to use an accelerometer as a simple motion sensor without using a microcontroller?</title></entry><entry><author><name>/u/Kuba0040</name><uri>https://www.reddit.com/user/Kuba0040</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jcxcq/how_do_i_calculate_the_capacitor_discharge_time/"> <img src="https://preview.redd.it/vsawmsx4auda1.jpg?width=640&amp;crop=smart&amp;auto=webp&amp;s=1ebcb0471c24ca42c314ad1c4a1726c8bbfdfdca" alt="How do I calculate the capacitor discharge time down to a given voltage? [See comment]" title="How do I calculate the capacitor discharge time down to a given voltage? [See comment]" /> </a> </td><td> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Kuba0040"> /u/Kuba0040 </a> <br/> <span><a href="https://i.redd.it/vsawmsx4auda1.jpg">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jcxcq/how_do_i_calculate_the_capacitor_discharge_time/">[comments]</a></span> </td></tr></table></content><id>t3_10jcxcq</id><media:thumbnail url="https://preview.redd.it/vsawmsx4auda1.jpg?width=640&crop=smart&auto=webp&s=1ebcb0471c24ca42c314ad1c4a1726c8bbfdfdca" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jcxcq/how_do_i_calculate_the_capacitor_discharge_time/" /><updated>2023-01-23T13:50:14+00:00</updated><published>2023-01-23T13:50:14+00:00</published><title>How do I calculate the capacitor discharge time down to a given voltage? [See comment]</title></entry><entry><author><name>/u/emystein</name><uri>https://www.reddit.com/user/emystein</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jpeed/how_is_this_part_called/"> <img src="https://b.thumbs.redditmedia.com/K91Kr4Z2YQ8wKqT4j5JNyCiygZDItDLVD8pFHKbxxoE.jpg" alt="How is this part called?" title="How is this part called?" /> </a> </td><td> <!-- SC_OFF --><div class="md"><p>I want to replace this part in an AM/FM radio and I would like to know the name of the part so I can look it up on online shops.</p> <p>&#x200B;</p> <p><a href="https://preview.redd.it/sxb13pjubvda1.png?width=766&amp;format=png&amp;auto=webp&amp;s=8dfe9498ed685487002531fb3b6b1b048d30bf0a">https://preview.redd.it/sxb13pjubvda1.png?width=766&amp;format=png&amp;auto=webp&amp;s=8dfe9498ed685487002531fb3b6b1b048d30bf0a</a></p> <p>I appreciate any help or pointers!</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/emystein"> /u/emystein </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jpeed/how_is_this_part_called/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jpeed/how_is_this_part_called/">[comments]</a></span> </td></tr></table></content><id>t3_10jpeed</id><media:thumbnail url="https://b.thumbs.redditmedia.com/K91Kr4Z2YQ8wKqT4j5JNyCiygZDItDLVD8pFHKbxxoE.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jpeed/how_is_this_part_called/" /><updated>2023-01-23T22:22:37+00:00</updated><published>2023-01-23T22:22:37+00:00</published><title>How is this part called?</title></entry><entry><author><name>/u/user0N65N</name><uri>https://www.reddit.com/user/user0N65N</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jp7lv/analog_ground_vs_system_ground/"> <img src="https://b.thumbs.redditmedia.com/PZm84PkTQh_gw8AtRLC9UbI7_Te6UCn2Vhz0oXJT6Kw.jpg" alt="Analog ground vs System ground" title="Analog ground vs System ground" /> </a> </td><td> <!-- SC_OFF --><div class="md"><p>In the purple circle, what do they mean by &quot;Analog ground&quot;? How does that differ from system ground? Would it be bad if they were the same thing? If so, how do I create the different grounds?</p> <p>Thanks!</p> <p><a href="https://preview.redd.it/cav3bnssavda1.png?width=675&amp;format=png&amp;auto=webp&amp;s=7e2a7f4ee1a9046eeb173d41630bfba8dd6aeb78">https://preview.redd.it/cav3bnssavda1.png?width=675&amp;format=png&amp;auto=webp&amp;s=7e2a7f4ee1a9046eeb173d41630bfba8dd6aeb78</a></p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/user0N65N"> /u/user0N65N </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jp7lv/analog_ground_vs_system_ground/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jp7lv/analog_ground_vs_system_ground/">[comments]</a></span> </td></tr></table></content><id>t3_10jp7lv</id><media:thumbnail url="https://b.thumbs.redditmedia.com/PZm84PkTQh_gw8AtRLC9UbI7_Te6UCn2Vhz0oXJT6Kw.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jp7lv/analog_ground_vs_system_ground/" /><updated>2023-01-23T22:15:02+00:00</updated><published>2023-01-23T22:15:02+00:00</published><title>Analog ground vs System ground</title></entry><entry><author><name>/u/PatriarchalTaxi</name><uri>https://www.reddit.com/user/PatriarchalTaxi</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>I want to create a car radio tester, which could allow me to check all the features of the radio on a test bench. Since ISO connections are kind of standard but not really, there are some pins that will need to be configured on the fly, such as dashboard illuminations and the tel-mute connector. I want to be able to have a set of attachment points that I can attach a crocodile clip to securely so that I can connect a 12v line to the corresponding pin.</p> <p>Is there anything out there that can do this, or will I have to make it myself?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/PatriarchalTaxi"> /u/PatriarchalTaxi </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10joyx6/crocodile_clip_attachment_points/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10joyx6/crocodile_clip_attachment_points/">[comments]</a></span></content><id>t3_10joyx6</id><link href="https://www.reddit.com/r/AskElectronics/comments/10joyx6/crocodile_clip_attachment_points/" /><updated>2023-01-23T22:05:02+00:00</updated><published>2023-01-23T22:05:02+00:00</published><title>Crocodile clip attachment points</title></entry><entry><author><name>/u/Pancra85</name><uri>https://www.reddit.com/user/Pancra85</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10joh8l/trying_to_get_10v_from_dacs_output_using_an_opamp/"> <img src="https://b.thumbs.redditmedia.com/WC2VvaSEWi6bqFy5sGM5FiX8SSEetfoUbTEs06qavIs.jpg" alt="Trying to get 10v from DAC's output using an opamp. Output is weird and not linear." title="Trying to get 10v from DAC's output using an opamp. Output is weird and not linear." /> </a> </td><td> <!-- SC_OFF --><div class="md"><p><em>Update at the end.</em></p> <p>&#x200B;</p> <p>Trying to amplify 0-5v output from a DAC (MCP4728) to 0-10v using an op-amp.I&#39;m using a 12v power supply, and 5v (from a L7805) for virtual ground.</p> <p>When simulating the circuit in Falstad it works fine:</p> <p><a href="https://www.falstad.com/circuit/circuitjs.html?ctz=CQAgjCAMB0l3BWcMBMcUHYMGZIA4UA2ATmIxAUgpABZsKBTAWjDACgAnEJ4w8Qqiz5gBUZHDYBDENhT8qYDMNHFwchfHhRoAwmGIoaCGimx4MxMOp2Q9NIxjz5HGBKrCbIbAO7cR8v2F7KB8ZOUU+WRAUQxCuKJiaMJlIJKoaDAl4uUTwJWjY9MyvXwiCpLKRKi8Ac2TcJKjsbD5qtgAlbl4AlmCqsQgaKhRoJBGkatHQqLBgoXBgkrzlYaGAryH6fTkEvDw1fY0AfUIaI8gjq2NCI+JoUlI0ODA3UhuYeDAjliOUS4vsGxNn4DMkeMIUIcQHgTmcLlcaDcaPcHqi0WRzrBnt8vn8YYCAPbQkCnGS0SDEfYTWBXAZsIA">Falstad circuit</a></p> <p>&#x200B;</p> <p><a href="https://preview.redd.it/k88ui89y3vda1.png?width=876&amp;format=png&amp;auto=webp&amp;s=b799baade2aaba287c4ca89456dc7cb385e77895">https://preview.redd.it/k88ui89y3vda1.png?width=876&amp;format=png&amp;auto=webp&amp;s=b799baade2aaba287c4ca89456dc7cb385e77895</a></p> <p>But when I try it in my breadboard I get a weird behavior: When the DAC goes from 0v to around 1V, the opamp outputs something close to 10V and after 1V it&#39;s linear like it should.Something like this:</p> <p>&#x200B;</p> <p><a href="https://preview.redd.it/d8u7y8455vda1.png?width=464&amp;format=png&amp;auto=webp&amp;s=f6a6e39f3afa37437f754eefe112355597c38439">opamp input and output</a></p> <p>&#x200B;</p> <p>opamp input (DAC) and output</p> <p>&#x200B;</p> <p><a href="https://preview.redd.it/2hxjt4yi4vda1.png?width=470&amp;format=png&amp;auto=webp&amp;s=950884914efb06a00be0c4c5c0d30f887d772012">the circuit I&#39;m using on breadboard</a></p> <p>What could be wrong??? Thanksss !!</p> <p>&#x200B;</p> <p><strong><em>Update:</em></strong> </p> <p>You know what?<br/> I am using the other TL074 gates for an analog oscillator, and now I used a different TL072 just for amplifying the DAC&#39;s output and it works as intended!!!!<br/> What&#39;s going on??<br/> Could it be that the circuit is affecting other gates of the TL074???<br/> This is the analog oscillator:</p> <p>&#x200B;</p> <p><a href="https://preview.redd.it/5uag5lt8ivda1.png?width=1022&amp;format=png&amp;auto=webp&amp;s=14224ee0a2d22863681effb68e091b4ff5d8b088">https://preview.redd.it/5uag5lt8ivda1.png?width=1022&amp;format=png&amp;auto=webp&amp;s=14224ee0a2d22863681effb68e091b4ff5d8b088</a></p> <p>It&#39;s Moritz Klein VCO</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/Pancra85"> /u/Pancra85 </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10joh8l/trying_to_get_10v_from_dacs_output_using_an_opamp/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10joh8l/trying_to_get_10v_from_dacs_output_using_an_opamp/">[comments]</a></span> </td></tr></table></content><id>t3_10joh8l</id><media:thumbnail url="https://b.thumbs.redditmedia.com/WC2VvaSEWi6bqFy5sGM5FiX8SSEetfoUbTEs06qavIs.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10joh8l/trying_to_get_10v_from_dacs_output_using_an_opamp/" /><updated>2023-01-23T21:45:38+00:00</updated><published>2023-01-23T21:45:38+00:00</published><title>Trying to get 10v from DAC's output using an opamp. Output is weird and not linear.</title></entry><entry><author><name>/u/noad147</name><uri>https://www.reddit.com/user/noad147</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>Currently have a current sensor with output range of -10V to +10V. My ADC sampling can only work in 0-3.3V range. Looking for a premade part that could handle this shift for me. Due to time constraints designing a circuit of Op-Amps would not be ideal.</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/noad147"> /u/noad147 </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jiu1k/looking_for_a_level_shifter/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jiu1k/looking_for_a_level_shifter/">[comments]</a></span></content><id>t3_10jiu1k</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jiu1k/looking_for_a_level_shifter/" /><updated>2023-01-23T17:59:26+00:00</updated><published>2023-01-23T17:59:26+00:00</published><title>Looking for a level shifter</title></entry><entry><author><name>/u/transmisssion</name><uri>https://www.reddit.com/user/transmisssion</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><!-- SC_OFF --><div class="md"><p>TLDR: 1) how to create a power supply to provide 24V DC @ 4.5A + 5V .03A into 4-pin XLR, 2) how to safely figure out which leads go to which pins</p> <p>//</p> <p>Hello fine folks,</p> <p>I need to build/find a replacement power supply for a semi-obscure piece of equipment I found. Tried to figure out on my own, but here I am—thanks in advance for what&#39;s likely a novice question. </p> <p>It has a 4-pin female DC input, asking for 24V 4.5A <em>and</em> 5V .03A. I’m a novice but I assumed I could grab a generic 24V 5A laptop-style power supply from Amazon and a 4-pin male XLR connector, strip the barrel off and solder the leads to three of the pins (god knows which).</p> <p>The 5V .03A is confusing to me. Googling around on that combo voltage/amp seems to bring up a lot of LED lights. If it possible this would just be for a status light and not affect general operation? (it’s a Panasonic professional production monitor) </p> <p>If I did need all 4 pins powered, could I use an aforementioned 24V/4.5A generic power supply, split it to connect to 3 pins of XLR, as well as some sort of resistor to get to 5V @.03A before it terminates at 4th pin? Been trying to learn Ohm&#39;s law to figure this out but haven&#39;t gotten there yet. </p> <p>FWIW it will be portable and traveling around rugged environments (the factory PSU was housed in a metal case) if there are any tips on enclosures if indeed I need to give it 5V too.</p> <p>Obviously a novice but eager to learn, any help on this project would be appreciated!</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/transmisssion"> /u/transmisssion </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jitnd/recreating_24v_45a_5v_03a_power_supply_4pin_xlr/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jitnd/recreating_24v_45a_5v_03a_power_supply_4pin_xlr/">[comments]</a></span></content><id>t3_10jitnd</id><link href="https://www.reddit.com/r/AskElectronics/comments/10jitnd/recreating_24v_45a_5v_03a_power_supply_4pin_xlr/" /><updated>2023-01-23T17:59:03+00:00</updated><published>2023-01-23T17:59:03+00:00</published><title>Recreating 24V @4.5A + 5V .03A Power Supply ->> 4-pin XLR</title></entry><entry><author><name>/u/willi_the_racer</name><uri>https://www.reddit.com/user/willi_the_racer</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jb7xf/capacitor_broke_of_i_need_help_identifying_it/"> <img src="https://b.thumbs.redditmedia.com/rdMX63w9b6aimnBomFZobs-UGv3TkiH55A2YVfGoqnc.jpg" alt="Capacitor broke of. I need help identifying it. More info in comments" title="Capacitor broke of. I need help identifying it. More info in comments" /> </a> </td><td> <!-- SC_OFF --><div class="md"><p>This is a two way 100w USB C PD Board and it came with a missing capacitor. I have another one of these so I desoldered it to measure its value. It seems to be 22 uF. It&#39;s 1,3mm by 1,3mm by 2,2mm in size. How can I figure out what voltage it needs to be?</p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/willi_the_racer"> /u/willi_the_racer </a> <br/> <span><a href="https://www.reddit.com/gallery/10jb7xf">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jb7xf/capacitor_broke_of_i_need_help_identifying_it/">[comments]</a></span> </td></tr></table></content><id>t3_10jb7xf</id><media:thumbnail url="https://b.thumbs.redditmedia.com/rdMX63w9b6aimnBomFZobs-UGv3TkiH55A2YVfGoqnc.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jb7xf/capacitor_broke_of_i_need_help_identifying_it/" /><updated>2023-01-23T12:22:28+00:00</updated><published>2023-01-23T12:22:28+00:00</published><title>Capacitor broke of. I need help identifying it. More info in comments</title></entry><entry><author><name>/u/the_jackson_norman</name><uri>https://www.reddit.com/user/the_jackson_norman</uri></author><category term="AskElectronics" label="r/AskElectronics"/><content type="html"><table> <tr><td> <a href="https://www.reddit.com/r/AskElectronics/comments/10jmi9d/rewire_board_to_supply_power_for_light_switch/"> <img src="https://b.thumbs.redditmedia.com/1RSNhJFokMB2JjMChFyoOXhC9ZPUphSqW3nqxVNJApE.jpg" alt="Rewire board to supply power for light switch control" title="Rewire board to supply power for light switch control" /> </a> </td><td> <!-- SC_OFF --><div class="md"><p>Hello Reddit,</p> <p>I have an LED Daylight lamp that&#39;s controlled via touch using a Holkey bs83b08a-3 chip. The issue I want to solve is that its entirely touch controlled, and that&#39;s okay, but what&#39;s not is if you plug it into the wall and toggle the light switch this lamp does not retain state so you have to touch the power button despite power being on via the wall light switch. First world problem I know. My end goal is to hook this up to a smart outlet so using my home automation system I can control it and set it up to only run for a set period of time (n minutes after power). The home automation part is a snap so I&#39;m not seeking any advice on that. </p> <p>I&#39;ve dabbled a bit to try and sort the wiring out myself but I&#39;m just a beginner and outside of soldering and some other minor projects I&#39;ve done I can&#39;t seem to sort out how to rewire this and I&#39;m sure it&#39;s stupid simple. Does anyone know how I could jump this so that if its plugged in and I want to control it via light switch it will turn on/off accordingly? I included a picture of the board itself. If anyone is able to assist me with this I&#39;d really appreciate it. Thank you!</p> <p>&#x200B;</p> <p><a href="https://preview.redd.it/9i7blp8rnuda1.jpg?width=4032&amp;format=pjpg&amp;auto=webp&amp;s=0795a535b23e40a54ca33bd0b2e3075f225506a5">Holkey bs83b08a-3 (bottom wires runs to qi charger, this is the board for touch controls.</a></p> </div><!-- SC_ON --> &#32; submitted by &#32; <a href="https://www.reddit.com/user/the_jackson_norman"> /u/the_jackson_norman </a> <br/> <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jmi9d/rewire_board_to_supply_power_for_light_switch/">[link]</a></span> &#32; <span><a href="https://www.reddit.com/r/AskElectronics/comments/10jmi9d/rewire_board_to_supply_power_for_light_switch/">[comments]</a></span> </td></tr></table></content><id>t3_10jmi9d</id><media:thumbnail url="https://b.thumbs.redditmedia.com/1RSNhJFokMB2JjMChFyoOXhC9ZPUphSqW3nqxVNJApE.jpg" /><link href="https://www.reddit.com/r/AskElectronics/comments/10jmi9d/rewire_board_to_supply_power_for_light_switch/" /><updated>2023-01-23T20:26:12+00:00</updated><published>2023-01-23T20:26:12+00:00</published><title>Rewire board to supply power for light switch control</title></entry></feed> |