Unusual low voltage AC current limited PSU

16:17
Random high voltage eBay "thing"

24:06
Fluorescent ballast tests and teardowns - with schematics

10:30
Evde kendi KLİMANIZI hızlı ve kolay bir şekilde yapın!

14:49
Stacking 5 Peltier Modules, and Reached -90℃

13:02
Repairing an industrial beacon (with schematic)

20:50
Is it the volts or amps that kill?

23:10
Every Component of a Switch Mode Power Supply Explained

17:30