Homemade hand crank flashlight

This is a hand crank flashlight made of a stepping motor.Turning crank, the super capacitor is charging and LEDs are ligting. Materials : Stepping motor with

How to Hack a crank powered flashlight for emergency power « Hacks, Mods & Circuitry :: Gadget Hacks

Hand Crank Flashlight From Old DVD Drive : 6 Steps - Instructables

What's a good heavy-duty flashlight? - Quora

Hand-Crank Flashlight

People have made homemade ultralight helicopters and planes. Can you make a homemade jet pack or hoverboard that could fly (eg: like green goblin,)? - Quora

How are flashlights made? - Quora

Flashlight - Wikipedia

Hand Crank Flashlight : 29 Steps (with Pictures) - Instructables

Видео how make a hand powered flashlight