Horrific LED tester that can literally kill you - (with scary schematic)
8:35
25A 25V Numerical Adjustable Power Supply and Charger (DIY Part 1): Backflow Protection.
3:27:35
I Pray This Computer Sucks.. Cuz I’m gonna sell it for $1
14:25
Poundland "disposable" phone charger.
29:22
Inside an Arbra dynamite exploder. (With explosion and danger-cats.)
23:35
High voltage LED tester with VERY clever circuitry (and hidden features)
16:57
Why Do LED Bulbs Fail? An Autopsy!
32:51
Thermoelectric cooling: it's not great.
28:41