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STICKY Megathread: Random observations about electronic devices

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

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How Vacuum Tubes Work [03:51]

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

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Basic Electricity - Resistance and Ohm's law

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233

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

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TouchTone555: An Analog Synth with a 555 Timer - Hackster.io

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Making 100 transistors silicon integrated circuit chips in your garage

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Self-Soldering Circuits [08:15]

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484

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

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$166 Mustool MT13S thermal imager doubles as multimeter

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This Little Piggy Audits Your Wi-Fi Security - Hackster.io

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IMG

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Flight qualified sealed relays [4032x3024 - 2.05MB]

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"Why do many laptops run on 19 volts?"

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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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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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Using EPROMS And EEPROMs As Programmable Logic With Lisp

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

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

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ALBUM

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180 Watt linear unregulated power supply

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The smallest Discman ever made - was smaller than a CD (partially exposed) - TechMoan

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Soviet Tektronix 7000-series oscilloscope copies | martinjonestechnology

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" Microworld " 1976 AT&T / Bell System Microprocessor & Computers Film w/ William Shatner Xd35644 Video(14:48)

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Tech tips Samsung fast charging hack: Manually applied elevated voltage might significantly speed up charging during operation.

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Observations The stopwatch feature of some armwatches does not show the milliseconds again after overturning at 24 hours

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Tech tips Shorted USB data lanes signal a mobile phone the availability of indefinite charging speeds if manually supplied with a voltage.

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