joule-thief

Topic Replies Views Activity
Let's Make Robots
legacy ,  led ,  transistor ,  joule-thief ,  voltage-converter ,  low-power-circuit ,  voltage-booster
1 1992 January 15, 2012
General Discussions
legacy ,  solar ,  joule-thief ,  step-up ,  chime ,  doorbell
8 3792 December 4, 2009