PowerTube Vr. 1 for bicycle headlight by frapedia

Semi Conducting - A Guide by Inducktion

Smartphone Charger Powered by Fire by Joohansson

Zombie Attack! Easy to build! by simonfrfr

Thermoelectric Fan Powered by a Candle by Joohansson

Controlling a SaikoLED myki (or Arduino Leonardo) with a … by dmt

Wake-up light (no arduino) by Giedow

Simple Light Switch by randofo

LED "Name" Switch Toy for Toddler by henlij

Replacing an LCD backlight with sunlight via fiber optic … by Tall-drinks

Wireless Power by robotkid249

How To Build An Optical Theremin by sacred

How to fix a YLOD PS3... with an oven. by formulajake88

Build a simple Marx Generator by Plasmana

Will this 'switching' circuit work for cabinet lights? An… by pranavsharma2504

how can i transmit analog video signal? by codestroy7

How to build a High power LED flood light? by ShanSL

What is the current output of a capacitor? by kaboom!

Backlight problems? by coolpizzadude

Stop light cycler by aaron81006

how to add usb port to this flash ligt? by iamsinned06

RGB LED Ring Light by SgtOneill

How to get the right voltages to make a circuit with lase… by matisha23

Picaxe Coding Help? by sci4me

Is there such a thing as a switch that will close the cir… by Noblenutria

how to make paper circuit? by ajain22

Can someone please help with a simple lighting circuit.? by coon_skinner

Could I use tip31c transistors to dim LED lights of 0-5w? by oscarthompson

how do I wire cheap 12V LED strips to car battery? Easy m… by Bingley111