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#diyelectronics

3 posts2 participants0 posts today
Hacker News<p>Interactive pinout for the Raspberry Pi Pico 2</p><p><a href="https://pico2.pinout.xyz" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">pico2.pinout.xyz</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HackerNews</span></a> <a href="https://mastodon.social/tags/InteractivePinout" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InteractivePinout</span></a> <a href="https://mastodon.social/tags/RaspberryPiPico" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RaspberryPiPico</span></a> <a href="https://mastodon.social/tags/TechInnovation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TechInnovation</span></a> <a href="https://mastodon.social/tags/MakerCommunity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MakerCommunity</span></a> <a href="https://mastodon.social/tags/DIYElectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DIYElectronics</span></a></p>
Rommudoh<p>Here are a few more boards, one for 4S and two for 3S. The last one is attached to a triple 18650 battery holder and will be tested with real cells soon. So far all tests look fine.<br>The 4S and 3S LiIon were soldered using hot air and solder paste (except the MOSFETs, those were already soldered using a normal iron). This was a very pleasant experience and I will use it more often.<br><a href="https://social.tchncs.de/tags/soldering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>soldering</span></a> <a href="https://social.tchncs.de/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a> <a href="https://social.tchncs.de/tags/BMS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BMS</span></a> <a href="https://social.tchncs.de/tags/lithiumbattery" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lithiumbattery</span></a> #18650 <a href="https://social.tchncs.de/tags/BQ77915" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BQ77915</span></a> <a href="https://social.tchncs.de/tags/hotairsoldering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hotairsoldering</span></a> <a href="https://social.tchncs.de/tags/solderpaste" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>solderpaste</span></a></p>
Rommudoh<p>And I finished <a href="https://social.tchncs.de/tags/soldering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>soldering</span></a> the first <a href="https://social.tchncs.de/tags/BMS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BMS</span></a> board. It's configured for a 5S LiIon <a href="https://social.tchncs.de/tags/battery" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>battery</span></a> with 5A output current limit.<br>Here the finished board and the test setup.<br>So far, it works as intended. It cuts discharge at 4.91A, or when battery voltage drops below 14.5V. Charging is disabled when voltage gets too high.<br>I'll still have to test the temperature behavior, and how balancing works.<br>When I'm satisfied, I'll try with real cells.<br><a href="https://social.tchncs.de/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a> <a href="https://social.tchncs.de/tags/BQ77915" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BQ77915</span></a></p>
cm0002<p><strong>pyDrone – An ESP32-S3 drone running MicroPython firmware</strong></p> <p><a href="https://lemmy.world/post/32387462" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/32387462</span><span class="invisible"></span></a></p>
botvolution<p>Question for the more industrial electronics/electrical peoples here:</p><p>I've got a little build on the stocks which requires quite a few wire-to-pcb connections. </p><p>The BOM uses TE MTA-156, but those really require a special (absurdly expensive) tool to attach the wires to the female connector.</p><p>I'll sodder the wires direct to the PCBs if I have to, but I wondered what other neat, pluggy, inexpensive solutions there might be?</p><p><a href="https://mastodon.sdf.org/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a><br><a href="https://mastodon.sdf.org/tags/electronicsdiy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>electronicsdiy</span></a></p>
cm0002<p><strong>Retro Handheld Based on the ESP32 CYD and RetroGo : 6 Steps (with Pictures)</strong></p> <p><a href="https://lemmy.world/post/32332296" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/32332296</span><span class="invisible"></span></a></p>
cm0002<p><strong>DIY STM32 Alarm Clock with 7-Segment Display (Using Arduino</strong></p> <p><a href="https://lemmy.world/post/32321356" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/32321356</span><span class="invisible"></span></a></p>
Fredrik Jansson<p>Vacuum tube radio progress: got decent reception of several medium wave AM stations: BBC radio 5, Radio Caroline and a Dutch one. I learned to stay away from switching power supplies, all I tried were so noisy I couldn't hear anything else. With a linear supply the sound is pleasant, but could still be a bit louder. <a href="https://mastodon.online/tags/radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radio</span></a> <a href="https://mastodon.online/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a> <a href="https://mastodon.online/tags/vacuumtube" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vacuumtube</span></a></p>
cm0002<p><strong>⚡ Build Your Own DIY Auto Changeover Circuit</strong></p> <p><a href="https://lemmy.world/post/31988499" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/31988499</span><span class="invisible"></span></a></p>
cm0002<p><strong>DIY Nirmal Weight Scale for Kitchen</strong></p> <p><a href="https://lemmy.world/post/31743069" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/31743069</span><span class="invisible"></span></a></p>
cm0002<p><strong>The Most Trustworthy USB-C Cable Is DIY</strong></p> <p><a href="https://lemmy.world/post/31555521" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/31555521</span><span class="invisible"></span></a></p>
cm0002<p><strong>DIY Ultimate Pocket Gadget</strong></p> <p><a href="https://lemmy.world/post/31547797" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/31547797</span><span class="invisible"></span></a></p>
botvolution<p>I cultivate a curious garden.</p><p><a href="https://mastodon.sdf.org/tags/SynthDIY" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SynthDIY</span></a> <br><a href="https://mastodon.sdf.org/tags/DIYElectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DIYElectronics</span></a></p>
cm0002<p><strong>CrokPocket</strong></p> <p><a href="https://lemmy.world/post/31379507" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/31379507</span><span class="invisible"></span></a></p>
Betmig<p>New robotics build video!</p><p>I assembled the CYBUG Scarab — no code, no microcontroller, just classic analog electronics and emergent behavior.</p><p>Photophobic by design, this little beast actually avoids light ☀️👀</p><p>Full soldering/build walkthrough + a fun "HE LIVES!" moment at the end:</p><p>🔗 <a href="https://youtu.be/tU2SRIDwQmU" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/tU2SRIDwQmU</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/Robotics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Robotics</span></a> <a href="https://mastodon.social/tags/BEAMrobotics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BEAMrobotics</span></a> <a href="https://mastodon.social/tags/DIYElectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>DIYElectronics</span></a> <a href="https://mastodon.social/tags/AnalogTech" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AnalogTech</span></a> <a href="https://mastodon.social/tags/BetmigBuilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BetmigBuilds</span></a> <a href="https://mastodon.social/tags/JCMeducation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JCMeducation</span></a></p>
cm0002<p><strong>This cool Raspberry Pi project makes designing your own fingerprint locks easy</strong></p> <p><a href="https://lemmy.world/post/30929898" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/30929898</span><span class="invisible"></span></a></p>
cm0002<p><strong>Piko - Your ESP32 Powered Fitness Buddy | Hackaday.io</strong></p> <p><a href="https://lemmy.world/post/30920000" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">lemmy.world/post/30920000</span><span class="invisible"></span></a></p>
Varbin :arctic_fox: ​:gay_furr:<p>Does somebody know where to get screw terminals with 2.54&nbsp;mm pin distance from?</p><p><a href="https://infosec.exchange/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a> <a href="https://infosec.exchange/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>electronics</span></a></p>
Bonkers<p>I want to do a fun project with my kids: a smash Enter key, the one you can bang as hard as you want. I only need to convince them to start soldering and trying the things together.</p><p><a href="https://nerdculture.de/tags/hardwarehacking" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hardwarehacking</span></a> <a href="https://nerdculture.de/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a> <a href="https://nerdculture.de/tags/arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>arduino</span></a></p>
Fluchtkapsel<p>Also, I thought about building my own storage enclosure for a 10 inch rack. I'm just not sure how to connect it with its host system then. Using an M.2 adapter for OCuLink in the host and an OCuLink to PCIe adapter in the enclosure? Or something with eSATA? And as I thought about purchasing a backplane like <a href="https://www.servershop24.de/hpe-gen9-sff-backplane/a-116777/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">servershop24.de/hpe-gen9-sff-b</span><span class="invisible">ackplane/a-116777/</span></a> I could maybe just use SFF-8087 to SATA cables. I just don't know if such a backplane can be used without a dedicated HBA controller card.</p><p><a href="https://nerdculture.de/tags/10inch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>10inch</span></a> <a href="https://nerdculture.de/tags/homelab" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>homelab</span></a> <a href="https://nerdculture.de/tags/storage" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>storage</span></a> <a href="https://nerdculture.de/tags/diyelectronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diyelectronics</span></a></p>
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