Horrific LED tester that can literally kill you - (with scary schematic)
23:35
High voltage LED tester with VERY clever circuitry (and hidden features)
14:35
Don't buy cheap death-wish chargers
32:51
Thermoelectric cooling: it's not great.
15:38
Pare de jogar fora seus chinelos! Faça ESTA Coisa Fácil e Nunca Mais Compre
16:57
Why Do LED Bulbs Fail? An Autopsy!
11:45
Four Steps to Flawless Wire Joints (How to Solder)
26:34
Cheap electrically heated tap / faucet teardown. (230V)
17:00