High voltage LED tester with VERY clever circuitry (and hidden features)
15:48
Horrific LED tester that can literally kill you - (with scary schematic)
22:03
PK-A22F high voltage module teardown with schematic
34:54
I Saved an Electron Microscope from the Trash
28:38
This Vintage Laptop is TRASH. Let's Fix that.
38:10
I Needed Parts, Now I Own 2 Broken CNC Machines...
33:37
Something Strange Happens When You Trust Quantum Mechanics
25:07
🔥Самый дешёвый LED Тестер на 300V с Aliexpress🔥HWL300🔥
27:33