3:55
Joule thief powered by human body
xee2vids
1:40
8 year blinking Joule thief
1:21
no toriod Joule thief 2
2:21
Joule thief - 120 VAC LED bulb using toroid
2:50
Joule thief lighting xenon
2:10
Joule thief with 120 VAC LED bulb - part 5
2:24
blinking Joule thief theory
2:02
Joule thief using mosfet
