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STICKY Megathread: Random observations about electronic devices

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Engineers invent vertical, full-color microscopic LEDs | MIT News

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The US electrical system is not 120V [24:26] - Technology Connections

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Power Supply Design: Switch-Mode vs. Linear

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got a supernote today

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Found this little guy at the dollar store. Okay for Arduino? [4000x3000 - 988KB]

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“What will happen to a stun gun if you ZAP A 220 VOLT socket with it. What a stun gun is capable of” – KREOSAN English

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Article: I bought a 9,000,000mAh power bank from eBay, and I got what I deserved

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Review of Charger TP5000 4.2-3.6V module

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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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Shock Hazards Associated with Electric Guitars and Amps [13:39]

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eevBLAB 91 - Why Are Fluke Meters So EXPENSIVE? [17:48]

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

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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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Observations Optical drives read some damaged CDs better with underclocked laser, at higher rotation speeds and after heating up?

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Experiments Can static KILL your PC? (ft. Electroboom) [20:57] - Linus Tech Tips

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Pololu - Understanding Destructive LC Voltage Spikes

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Some cheap “garbage” from China might just work fine.

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Why mobile phone batteries have more than 2 terminals.

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

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

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An intuitive approach for understanding electricity [AlphaPhoenix] [39:28]

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Working on an HP DVM, this thing has had a lot of repairs in it's life. [4032x3024 - 927KB]

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Free Energy Devices Build and Science - ElectroBOOM

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

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The Chip Collection - Chip Art Page 1, Smithsonian Institution

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