No Arduino required. (In fact, it may ruin your Arduino) Thought this was pretty cool. Take any two wires from a stepper motor. Connect them thru an LED. Spin the stepper by hand. Watch the LED light up :smiley: Note: I've only tried with a 5-wire stepper. Doesn't matter which way the LED is turn…

Lighting LED with stepper motor

mowcius February 7, 2010, 12:37pm 2

Yeah it is justing working as a generator. It works for (almost) any motors.

Mowcius