Heathkit IG 102 The Good, Bad & Unobtainium
38:02
Heathkit IO-102 Repair, Mods & Demo
47:57
Heathkit T-4 & IT-12 Signal Tracer Full Teardown & Complete Restoration
23:10
Every Component of a Switch Mode Power Supply Explained
28:20
Electronic Mystery Machine - What Does It Do?
20:17
Heathkit IB-1102 Hidden bug Help me fix it!
37:41
Je continue à faire les mêmes erreurs
21:23
Custom Transformer Shatters All Voltage Records (ft. 3D Printing Nerd)
35:08