How to make an authentic Joule Thief.
27:33
Excellently awful eBay trash (with schematic)
16:40
All You Ever Wanted To Know About The Joule Thief
18:08
Make Your Own Joule Thief!
44:59
Reverse engineering of shady lithium button cell charger.
34:39
DIY solar garden light project. Surface mount remix.
29:42
Julian's Joule Thief Experiments
29:02
Joule-Thompson Cryocooler
10:14