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STICKY Megathread: Random observations about electronic devices

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

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

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Cassette adapters are remarkably simple [09:32]

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Experiences 2012: A Samsung DVD-Video/Audio player had a feature that memorizes damaged files and mark them as unplayable. (Kept in memory even after disc ejection.)

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Umbratek Actuator: Low Backlash, High Torque for reasonable price [12:29]

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Connecting batteries in parallel... with threaded steel rod?

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

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Experiments Extreme Speed Record Player - PhotonicInduction

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Voltage Boost Circuit / Bootstrapping [04:14]

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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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Mechanical circuits: electronics without electricity [19:22]

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A stretchy display for shapable electronics

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Capacitors - Dielectric Absorption

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

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

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Learn more?

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I built an LED Sphere (Ping-Pong Size) [08:09]

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Fans; High is next to Off on purpose [17:48] - Technology Connections

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Observations Some CD players from different vendors, when stumbling upon damage on audio CDs, accelerate disc rotation when the laser lost track, before trying to seek the last position again.

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Observations SD card reader by brand “entryx” sometimes automatically reconnects, then reading speed drops from 20 to 3 MB/s until reinserting memory card.

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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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Scanning electron micrographs of an Intel i486 [10:16]

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SWITCHES - The Secret Life of Components, a series of guides for designers and makers - Episode 4 [32:31]

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You've got to see this build of a real working Fallout Radiation King radio. Amazing.

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