joule-thief

Topic Replies Views Activity
Let's Make Robots
voltage-booster ,  legacy ,  led ,  transistor ,  joule-thief ,  voltage-converter ,  low-power-circuit
1 2120 January 15, 2012
General Discussions
solar ,  joule-thief ,  step-up ,  chime ,  doorbell ,  legacy
8 3984 December 4, 2009