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STICKY Megathread: Random observations about electronic devices

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Learning About Capacitors By Rolling Your Own Electrolytics

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Using 5V Programmable Logic Here In The 2020s

683

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

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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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IMG

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Supercapacitor UPS [4032x3024 - 1MB]

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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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IMG

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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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I need a cheap-ish, 16 bit A/D, preferably with a mux/multi channel input.

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Velociraster! And Other Oscilloscope Nonsense [14:24]

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Flight qualified sealed relays [4032x3024 - 2.05MB]

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[deleted]

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Clever Test Rig Clarifies Capacitor Rules-of-Thumb

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IMG

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as promised, a doodle from the supernote [1404x1872 - 73KB]

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got a supernote today

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