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STICKY Megathread: Random observations about electronic devices

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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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706

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New space-saving RAM sticks that jam up to 128GB of memory in a laptop get industry's stamp of approval - CAMM2 standard ratified by JEDEC

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466

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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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TIL there's a whole IGBT thing I was totally unaware of: Bi polar tran sister

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Soldering vinyl-insulated wire directly to PCB [00:19]

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272

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Using EPROMS And EEPROMs As Programmable Logic With Lisp

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Learning About Capacitors By Rolling Your Own Electrolytics

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Using 5V Programmable Logic Here In The 2020s

434

IMG

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Picked up a cheap Philco transistor radio at the show today. [3024x4032 - 971KB]

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Great technique to drop headers without a vacuum desoldering station.

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666

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Why blow out a candle with your lungs when you can build an electronic ionic thruster circuit to do it?

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882

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Make Your Own Oscilloscope(Mini DSO) With STC MCU Easily : 9 Steps (with Pictures) - Instructables

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Mini review of GGtag e-paper display programmable through sound or USB serial

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IMG

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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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Maciej Grela's Second Life UPSes Find a Use for Faulty Network Switches, Old Hoverboard Batteries - Hackster.io

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Scoop's 250 Farad Capacitor Provides Backup Power to Deliver That Last Important Message - Hackster.io

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Flipper Zero portable hacking multitool now has an app store for free and open source apps - Liliputing

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Supercapacitor UPS [4032x3024 - 1MB]

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825

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Markedly less success with three TTS boards from AliExpress – We Saw a Chicken …

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Frequency and voltage manipulation

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Bad Fuses [16:48]

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VL53L7CX Time-of-Flight (ToF) sensor offers camera-like 90° field of view

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

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‘I spot brand new TVs, here to be shredded’: the truth about our electronic waste

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