High duty Joule Thief

@Sojke

11 years ago

https://everycircuit.com/circuit/6415139620257792

Desing by: https://www.youtube.com/watch?v=-N1IvvvESsI Parts: - Transistors (2N2222A, BC557B) - Inductors (1mH. 220uH) - Battery Consumption current is ~50mA.