Hard disk flashlight
Connect two LEDs in parallel (one reversed) to the actuator coil (aka voice coil ) of a salvaged hard disc. Shake the magnets: profit! 20150825_223647 from flipdot: hackerspace kassel on Vimeo .
Connect two LEDs in parallel (one reversed) to the actuator coil (aka voice coil ) of a salvaged hard disc. Shake the magnets: profit! 20150825_223647 from flipdot: hackerspace kassel on Vimeo .