Tell us about yourself!
DC Boost Converter
Electrolytic Rust Removal aka Magic
Hacking a PIR motion sensor for use as a triggering device.
Convince yourself to just use a 12V-to-AC-line inverter for LED light strings instead of rewiring them for 12V.
A high-power LED torch using a single AA-battery
Thermoelectric Fan Powered by a Candle
Blue Bawls automatic LED light