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STICKY Megathread: Random observations about electronic devices

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Working on an old electronics device...how did it work at all?

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A friend sent me his shop's Christmas tree. [1536x2048 - 1MB]

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Help me with this (6W Solar Panel, 5V/1A Mini USB Solar Panel)

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DIY Precision milliohm meter by popular request with circuit diagram. [Michael Dranfield] [12:33]

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Neon Lamp information, types, and circuits. [PDF]

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I can never get the wire to lay as neat as the original. [960x1280 - 165KB]

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Working on a vacuum tube device and ran across an unusual issue.

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A video about magnetrons you literally can not understand. Maybe Commiela could explain it so we can understand it.

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NTE Electronics, the last of the cross-referenced replacement part houses, has gone out of business.

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Using the 555 for everything. What can't it do?

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Got these great capacitors for sale cheap - Great value! [650x500 - 60KB]

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I'm done with AliExpress. Their logistics suck!

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This guy was so excited building a solid state triple diode triode EABC80/6AK8 tube. You can tell.

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" Microworld " 1976 AT&T / Bell System Microprocessor & Computers Film w/ William Shatner Xd35644 Video(14:48)

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TIL, MFJ closing down manufacturing facilities effective May 17th 2024

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RFETS may be able to replace PNP and NPN devices with a single device. Electrostatic doping makes it feasible to reuse circuits.

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X86 processors are really RISC CPUs posing as CISC CPUs by implementing the x86 instructions by translating them using a mix of hardware and microcode

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I had no idea I'd be spending so much time in KiCad, thanks to many of you on Poal. Now I have even more reasons to stay in it: version 8 just got released.

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$166 Mustool MT13S thermal imager doubles as multimeter

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Easy - KiCad Symbol, Footprint and 3D Model! [08:08]

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It still amazes me that you can build a fully functional microcontroller with display into a power cable.

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Watch electricity hit a fork in the road at half a billion frames per second [26:29]

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Dangerous Prototypes Unveils the Next-Generation Bus Pirate 5, Now Powered by a Raspberry Pi RP2040 - Hackster.io

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DIY sonar scanner (practical experiments) [14:30]

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Quectel Launches "Cost-Effective" KG200Z LoRa Module, Built Atop the STMicro STM32WLEx - Hackster.io

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