Inside a mechanic's test probe - with schematic

14:04
Inside a fuel injector tester (with schematic)

14:24
Exploring a "retro" LED floodlight with a well designed driver

32:37
Power Probe Tek Demo Board

17:43
EEVblog #262 - World's Simplest Soft Latching Power Switch Circuit

17:00
Two wire (no neutral) PIR detector - with schematic

25:51
A New Way To Trace Short Circuits in VRM Using Basic Equipment : Find Shorts Motherboard and GPU

58:25
Bilhões de pessoas não estão cientes dessas invenções geniais da rebarbadora!

13:49