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STICKY Megathread: Random observations about electronic devices

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Electricity Basics: Resistance, Inductance and Capacitance

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We all know software is inherently insecure but did you know electronics isn't any better?

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What are your thoughts on PCB design software

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IMG

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SIze differences in old vs. new parts. [4032x3024 - 814KB]

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An Off-The-Grid Instant Messaging Plattform

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Researchers measure near-perfect performance in low-cost semiconductors

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Guitar wiring schematic help [3425x2478 - 511KB]

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A Field Guide To Transmission Lines

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Observations Some optical drives refuse to speed up again after encountering damaged parts of a disc once. (And other strange speed limits.)

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ALBUM

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@sporkulon Here are the pics of the VandyVape Pulse's PCB you asked me to get for you a while back

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Watch electricity hit a fork in the road at half a billion frames per second [26:29]

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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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Self-Soldering Circuits [08:15]

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

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What is Meshtastic?

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$166 Mustool MT13S thermal imager doubles as multimeter

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

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

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

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Flight qualified sealed relays [4032x3024 - 2.05MB]

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A 100-Year-Old Electronic Musical Instrument Brought Back To Life

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ALBUM

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

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Making 100 transistors silicon integrated circuit chips in your garage

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