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#electronics

64 Beiträge56 Beteiligte0 Beiträge heute
Tobias Klausmann<p>Since I need that computer sound output for work stuff, I rewired my normal amp.<br>And... no sound. Huuuh....<br>Eventually I realized that my desktop USB sound thingy and DAC was off. Turned it on, sound back.<br>re-re-/un-re/.../wired the Sony amp. Works fine.<br>I don't need this BS in my life :D </p><p>2/2<br><a href="https://mas.to/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
Tobias Klausmann<p>A tale of <a href="https://mas.to/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> </p><p>I recently repaired a Sony TA-FB930A amplifier. Had to replace MOSFETS, do all the bias stuff etc.<br>I am now using said amp as my office amp, just to make sure everything aboveboard.<br>A few minutes ago, my music went away, and I heard a small "click". Uhoh.<br>Check connections, toggled through sources, twisted volume a bit. restarted music player on PC. All for nothing.<br>Sighed, mentally prepared for a deep debug session tonight.</p><p>1/2</p>
Embedded Podcast<p>This week, Chris and Elecia chat about mental health, journaling, personal projects, and listener questions. <br>Take a listen here: <a href="https://embedded.fm/episodes/498" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">embedded.fm/episodes/498</span><span class="invisible"></span></a>.</p><p>Here's Chris on the relevance of learning to learn:<br> <br>Thank you to Nordic Semi for sponsoring the show!</p><p><a href="https://mstdn.social/tags/mentalhealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mentalhealth</span></a> <a href="https://mstdn.social/tags/journaling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>journaling</span></a> <a href="https://mstdn.social/tags/embedded" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>embedded</span></a> <a href="https://mstdn.social/tags/engineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>engineering</span></a> <a href="https://mstdn.social/tags/electrical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electrical</span></a> <a href="https://mstdn.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
Ari [APz] Sovijärvi<p>In the topic of cheap things out of which I've gotten my money's worth from, this DS201 Pro portable scope. I bought it with zero expectations from eBay long ago.</p><p>From what I understand, these started their life as a hack firmware to a common MP3 player, turning it into a portable scope. The firmware then found its way into devices that were actually made to be oscilloscopes, such as this one.</p><p>I think it cost around $75 or so back in the days, but it has been priceless in arcade repairs over the years, when working with in-situ PCBs in pinball machines.</p><p>It's very limited compared to the old HP's CRT scope I also have and it only has a single channel, but as my most common use case is "is anything sensible coming out of that chip" where I can instantly visually determine if we're in business, it's more than adequate.</p><p><a href="https://mstdn.games/tags/oscilloscope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>oscilloscope</span></a> <a href="https://mstdn.games/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://mstdn.games/tags/repair" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>repair</span></a></p>
niconiconi<p>More <a href="https://mk.absturztau.be/tags/openEMS" rel="nofollow noopener noreferrer" target="_blank">#openEMS</a> documentation. I don't think anyone else has ever reviewed such implementation details. <a href="https://mk.absturztau.be/tags/electronics" rel="nofollow noopener noreferrer" target="_blank">#electronics</a></p>
Jer 🚵🏼<p>Etischer made a data logger, in this case for testing batteries, but as he points out the design can be used for measuring and logging a wide variety of things. <br>I like how he uses the ecoflow "solar generator” as a power source and load.</p><p><a href="https://youtu.be/eaOjQcKId3Y" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/eaOjQcKId3Y</span><span class="invisible"></span></a><br><a href="https://techhub.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://techhub.social/tags/batteries" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>batteries</span></a></p>
TribesmanJohn 🇦🇺🌏👨🏼‍💻📷<p>I had a tiny tiny radio arrive in the mail today, and it’s quite fun :)</p><p><a href="https://www.vk7ben.au/2025/04/10/a-tiny-si4732-receiver/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">vk7ben.au/2025/04/10/a-tiny-si</span><span class="invisible">4732-receiver/</span></a></p><p><a href="https://aus.social/tags/amateurradio" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>amateurradio</span></a> <a href="https://aus.social/tags/si4732" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>si4732</span></a> <a href="https://aus.social/tags/gadgets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gadgets</span></a> <a href="https://aus.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> cc:bsky</p>
Florian 'floe' Echtler<p>This is one of the simplest and at the same time smartest things I've ever printed: a tweezer for multimeter probes so you can use them one-handed. Kudos 👌</p><p><a href="https://www.printables.com/model/1208377-multimeter-dmm-probe-tweezer" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">printables.com/model/1208377-m</span><span class="invisible">ultimeter-dmm-probe-tweezer</span></a></p><p>(P.S. I should clarify that this is not my own design, just found it really clever and worth sharing.)</p><p><a href="https://hci.social/tags/3dprinting" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3dprinting</span></a> <a href="https://hci.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
insert_witticism_here<p>I recently saw a video where someone was making DIY PCBs with what's essentially a miniature cnc shaper, using a lathe bit as the cutter. I can't find it now. Anyone know where I can find the video, or did I dream it up? <a href="https://ioc.exchange/tags/pcb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pcb</span></a> <a href="https://ioc.exchange/tags/maker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maker</span></a> <a href="https://ioc.exchange/tags/cnc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cnc</span></a> <a href="https://ioc.exchange/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
Digital Angel<p>Boosting <a href="https://sk.zehnvorne.social/tags/ESP32" rel="nofollow noopener noreferrer" target="_blank">#ESP32</a> - C3 SuperMini <a href="https://sk.zehnvorne.social/tags/WiFi" rel="nofollow noopener noreferrer" target="_blank">#WiFi</a>: A Simple and Effective <a href="https://sk.zehnvorne.social/tags/Antenna" rel="nofollow noopener noreferrer" target="_blank">#Antenna</a><span> Mod<br><br>-&gt; </span><a href="https://peterneufeld.wordpress.com/2025/03/04/esp32-c3-supermini-antenna-modification/" rel="nofollow noopener noreferrer" target="_blank">https://peterneufeld.wordpress.com/2025/03/04/esp32-c3-supermini-antenna-modification/</a><span><br><br></span><a href="https://sk.zehnvorne.social/tags/diy" rel="nofollow noopener noreferrer" target="_blank">#diy</a> <a href="https://sk.zehnvorne.social/tags/electronics" rel="nofollow noopener noreferrer" target="_blank">#electronics</a> <a href="https://sk.zehnvorne.social/tags/knowhow" rel="nofollow noopener noreferrer" target="_blank">#knowhow</a> <a href="https://sk.zehnvorne.social/tags/tutorial" rel="nofollow noopener noreferrer" target="_blank">#tutorial</a> <a href="https://sk.zehnvorne.social/tags/knowledge" rel="nofollow noopener noreferrer" target="_blank">#knowledge</a></p>
0x10f<p>3-input logic gates built from NOT gates and 2-input NAND gates. (The most complex circuits may not be optimal.)<br><a href="https://tech.lgbt/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://tech.lgbt/tags/nand" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nand</span></a></p>
beSpacific<p>Too late to buy that <a href="https://newsie.social/tags/iphone" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>iphone</span></a> <a href="https://newsie.social/tags/tariffs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tariffs</span></a> <a href="https://newsie.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://newsie.social/tags/economy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>economy</span></a> <a href="https://newsie.social/tags/maga" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maga</span></a> <a href="https://newsie.social/tags/trump" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>trump</span></a> <a href="https://newsie.social/tags/democracy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>democracy</span></a> <a href="https://newsie.social/tags/ruleoflaw" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ruleoflaw</span></a> <a href="https://newsie.social/tags/government" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>government</span></a> <a href="https://newsie.social/tags/stocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stocks</span></a> <a href="https://newsie.social/tags/apple" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>apple</span></a> BTW Tim Apple sold over 100,000 shares of stock on April 1. He apparently does not read <a href="https://newsie.social/tags/truthSocial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>truthSocial</span></a></p>
It'll be okay, we'll make it.<p>Do I look like I can pay $2.25 per opamp just to make a damn voltage follower?!</p><p><a href="https://climatejustice.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
Alda Vigdís<p>No wonder my TV doesn't work. That must have been explosive. Even the screw used to hold it to the heatsink melted a bit.</p><p>I did order an exact replacement, but if anyone knows of a MOSFET with similar characteristics as 60R190Q, that doesn't explode, then do let me know.</p><p><a href="https://topspicy.social/tags/Electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Electronics</span></a></p>
Mads Kjeldgaard<p>I've finally finished the electronics for my upcoming exhibition "Moans and Groans" at Notam. The circuit is a custom designed to translate audio to vibrator motor signals. It works as an audio file player as well as a class compliant USB audio interface. </p><p>On the 23rd of April I will conduct a haptic audio workshop in Oslo at NOTAM where we play with this technology.</p><p><a href="https://sonomu.club/tags/fieldrecording" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fieldrecording</span></a> <a href="https://sonomu.club/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://sonomu.club/tags/kicad" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kicad</span></a> <a href="https://sonomu.club/tags/opensource" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>opensource</span></a> <a href="https://sonomu.club/tags/foss" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>foss</span></a></p><p>More information: <a href="https://madskjeldgaard.dk/portfolio/haptic-fields" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">madskjeldgaard.dk/portfolio/ha</span><span class="invisible">ptic-fields</span></a></p>
Embedded Podcast<p>This week, we chat about mental health, journaling, personal projects, and listener questions. <br>Take a listen here: <a href="https://embedded.fm/episodes/498" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">embedded.fm/episodes/498</span><span class="invisible"></span></a>.</p><p>Here's an excerpt from the show:</p><p><a href="https://mstdn.social/tags/mentalhealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mentalhealth</span></a> <a href="https://mstdn.social/tags/journaling" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>journaling</span></a> <a href="https://mstdn.social/tags/embedded" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>embedded</span></a> <a href="https://mstdn.social/tags/engineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>engineering</span></a> <a href="https://mstdn.social/tags/electrical" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electrical</span></a> <a href="https://mstdn.social/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
Nielso<p>Die Lötspiele mögen beginnen. Ich fühle mich inkompetent. Let's not brick this shit.</p><p><a href="https://digitalcourage.social/tags/Ensoniq" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ensoniq</span></a> <a href="https://digitalcourage.social/tags/ESQ1" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESQ1</span></a> <a href="https://digitalcourage.social/tags/Synthesizer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Synthesizer</span></a> <a href="https://digitalcourage.social/tags/Display" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Display</span></a> <a href="https://digitalcourage.social/tags/Electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Electronics</span></a> <a href="https://digitalcourage.social/tags/Repair" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Repair</span></a> <a href="https://digitalcourage.social/tags/Reparatur" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Reparatur</span></a> <a href="https://digitalcourage.social/tags/DIY" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DIY</span></a></p>
niconiconi<p>3D full-wave <a href="https://mk.absturztau.be/tags/openEMS" rel="nofollow noopener noreferrer" target="_blank">#openEMS</a> simulation of the classic experiment in high-speed electronics: where does the return current go? A voltage is suddenly connected (Heaviside step) to a resistor via some wires. An incoming wire and two return wires are connected in parallel. One return path is longer, but runs with the incoming wire side by side, the other wire returns to the source via a straight path. By common sense, radio signals follow the path of least impedance, not resistance, obviously the initial rising edge mostly follows the longer path (until the currents redistribute themselves later reflections occur). <a href="https://mk.absturztau.be/tags/electronics" rel="nofollow noopener noreferrer" target="_blank">#electronics</a></p>
Eka A.<p>I found the capacitor that vented. Glad I didn't vent a battery.<br><a href="https://spacey.space/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://spacey.space/tags/maker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maker</span></a></p>
gallaugher<p>Got 3 mins? Like <a href="https://mastodon.world/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://mastodon.world/tags/maker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>maker</span></a> <a href="https://mastodon.world/tags/art" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>art</span></a> <a href="https://mastodon.world/tags/circuitpython" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>circuitpython</span></a> <a href="https://mastodon.world/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>raspberrypi</span></a> &amp; other cool stuff? Here's a brief 3 min video of students in my "no prior experience" Physical Computing course. First of three projects they'll create in a semester. Their build guides &amp; code linked in desc. youtu.be/u-Jj8-GV404</p>
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