Lidl 10W LED torch - test, teardown, modifications

Failed 24V 10A power supply repair

Anker Solix C300X Portable Power Station Running 100W M90 Pulse Start Metal Halide Wall Pack Fixture

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Smallest 4K 120fps Camera Possible

Building an accurate DIY Spectroscope

Building a giant working iPhone

This should be illegal… Battery Repair Blocking

Crappy ATX analysis and repair

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The Mighty Power of the 1000W H34 Mercury Vapor Lamp

$15 aliexpress 40W USB-C charger test

Breadmaker teardown and repair (Eta Siesta)

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inside a linear LED light with Samsung LEDs.

Inductance/capacitance meter restoration (Tesla BM366)

This Tiny Engine Growls like a Beast (assembly & test run)

How 3 Phase Power works: why 3 phases?

I Made a Two-Stroke Engine Using Things I Found at the Hardware Store

Tesla BM368 HF generator restoration

Fixing a big Li-ion charger power supply