High voltage LED tester with VERY clever circuitry (and hidden features)
10:53
UVC LED module for water sterilising
15:48
Horrific LED tester that can literally kill you - (with scary schematic)
34:54
I Saved an Electron Microscope from the Trash
19:48
Why Are Cooling Towers Shaped Like That?
33:58
Every Component of a Linear Power Supply Explained (while building one)
21:23
Custom Transformer Shatters All Voltage Records (ft. 3D Printing Nerd)
21:00
Total teardown of an ASDA air fryer
29:52