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1.4K
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STICKY
Megathread: Random observations about electronic devices
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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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I think it's bad. [3024x4032 - 1MB]
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Radio Antenna Fundamentals - Part 1 (1947) [Gerry Trenwith] [26:09]
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Got a 1970s power supply on the bench. [3024x4032 - 811KB]
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I noticed a lack of an electronics sub. I have fixed that.
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The next thing on my bench. [4032x3024 - 1.54MB]
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What Is Brown Out Reset in Microcontrollers? How to Prevent False Power-Downs - Technical Articles
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[deleted]
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Fixed an old '80s DustBuster today
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This is an electronic badge soldering kit that @Stupidbird could approve of
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The Vacuum Tube’s Last Stand(s)
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269
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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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audio filter question
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542
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NTE Electronics, the last of the cross-referenced replacement part houses, has gone out of business.
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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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20th century amplification [400x288 - 16KB]
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Unfortunately, the old radio isn't going to sing again for a while. [4032x3024 - 981KB]
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A survey of capacitance meters
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Using the 555 for everything. What can't it do?
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I've got an old power supply on the bench. [3024x4032 - 1.03MB]
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Looking inside a 1970s PROM chip that stores data in microscopic fuses
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Google Pixel 5 price just leaked — and it’s very bad news for the Galaxy S20
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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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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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Observations
Some optical drives refuse to speed up again after encountering damaged parts of a disc once. (And other strange speed limits.)
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/s/Electronics
created
ago
![Does anyone have any idea why this battery charger is not staying on? More info in the description. [1200x900 - 142KB]](https://poal.co/static/images/p89MfY.jpg){kind=link}
![I think it's bad. [3024x4032 - 1MB]](https://poal.co/static/images/asvWCS.jpg){kind=link}
![Got a 1970s power supply on the bench. [3024x4032 - 811KB]](https://poal.co/static/images/c6a1869726261606.jpg){kind=link}
![The next thing on my bench. [4032x3024 - 1.54MB]](https://poal.co/static/images/8faedb372765775c.jpg){kind=link}
![20th century amplification [400x288 - 16KB]](https://poal.co/static/images/H7wfyS.jpg){kind=link}
![Unfortunately, the old radio isn't going to sing again for a while. [4032x3024 - 981KB]](https://poal.co/static/images/272f1d1117151753.jpg){kind=link}
![I've got an old power supply on the bench. [3024x4032 - 1.03MB]](https://poal.co/static/images/81c141c1c031b1f0.jpg){kind=link}
