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STICKY Megathread: Random observations about electronic devices

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I think it's bad. [3024x4032 - 1MB]

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I noticed a lack of an electronics sub. I have fixed that.

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First Programmable Memristor Computer - IEEE Spectrum

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Fixed an old '80s DustBuster today

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Does anyone have any idea why this battery charger is not staying on? More info in the description. [1200x900 - 142KB]

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This is an electronic badge soldering kit that @Stupidbird could approve of

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

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Electrical discharge machining uC thoughts.

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

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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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Engineer inc. SS-02 solder sucker with silicone tip. Just got one, 5 star rating from me. It sucks so hard you can hear it from the back of the board.

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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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Google Pixel 5 price just leaked — and it’s very bad news for the Galaxy S20

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Looking inside a 1970s PROM chip that stores data in microscopic fuses

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Unfortunately, the old radio isn't going to sing again for a while. [4032x3024 - 981KB]

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I've got an old power supply on the bench. [3024x4032 - 1.03MB]

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audio filter question

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

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20th century amplification [400x288 - 16KB]

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Frequency and voltage manipulation

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Retro Tech: The Wire Recorder

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Guitar wiring schematic help [3425x2478 - 511KB]

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Researchers measure near-perfect performance in low-cost semiconductors

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TIL people rename electronic components like switching power supplies to transformers.

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HP ad campaign claims its printers are ‘made to be less hated’ following years of anti-consumer behavior | lol get fucked hp you're printers are a scam to tax people too stupid to look for something better.

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