Contactless Eddy-Current Bicycle Dynamo and Light By William Kennedy (zumdar), with Lucas Ray, Clara Caspard and YJ Rodrigues · Example build · 11 views · 0 remixes A 3D-printed battery-free bike light: a magnet ring spun by eddy currents from the moving rim drives a hand-wound coil that lights an LED 0SaveRemixCopy link DifficultyEasyPartsNo parts list Start the assembly guide →
