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STICKY Megathread: Random observations about electronic devices

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Great technique to drop headers without a vacuum desoldering station.

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How Vacuum Tubes Work [03:51]

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IMG

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Flight qualified sealed relays [4032x3024 - 2.05MB]

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Cheap 24 watt led grow light. Made out of mostly trash and stuff on hand minus the starfire LEDs and a picoPSU 80.

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Observations Observation: The audio inputs (white and red) of old CRT televisions can be used without needing a video (yellow) signal, while newer TVs usually require a video signal for the audio inputs to be activated at all.

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Making 100 transistors silicon integrated circuit chips in your garage

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706

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"Why do many laptops run on 19 volts?"

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Basic Electricity - Resistance and Ohm's law

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Unknown ESP32 saving modes: Light Sleep, Clock Reduction, Modem Sleep, Hibernation, and a few tricks [17:23]

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FreeCAD Export to KiCAD [05:36]

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The Transistor: a 1953 documentary, anticipating its coming impact on technology

431

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Working on a vacuum tube device and ran across an unusual issue.

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92

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$166 Mustool MT13S thermal imager doubles as multimeter

367

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

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847

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Got these great capacitors for sale cheap - Great value! [650x500 - 60KB]

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Self-Soldering Circuits [08:15]

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1.2K

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PinePower 120W desktop power supply features display, USB PD, QC 3.0 and wireless charging

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Build a Burning Laser from an Old DVD Burner [12:52]

245

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Using EPROMS And EEPROMs As Programmable Logic With Lisp

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Overburning CD-RW experience: Disc speeds up towards the end when played back using old audio CD player!

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501

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Tech tips Mobile phone overheating from fast charging? Put it on a portable USB fan.

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

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AT&T Archives: A Modern Aladdin's Lamp, about vacuum tubes,1940

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Making logic gates from transistors

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Fun with a few 9V batteries. (244 of them) [07:10] [series circuit] [2011-09-28]

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