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

This solar-powered hand-crank emergency LED flashlight is only $7 - CNET

How does a homemade hand crank flashlight work? - Quora

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

How Crank Flashlights Work - Homemade Circuit Projects

Cheap & Easy DIY Hand Cranked Flashlight

Evelots Hand Crank Flashlight-Camp-Home-Car-No Battery-LED Bright Light-Set/12

Will you be ready when disaster strikes?, Whether you're weathering a winter storm when the power goes out or searching your broken-down car at night

Manual 3-LED Hand Crank Emergency Flashlight

Build A Hand Crank Winch - Little Bins for Little Hands

Build a DIY Hand-Cranked USB Charger

How do crank flashlights work? - Quora

Hand-Crank Flashlight

스테핑 모터로 만든 자가발전 손전등(Homemade hand crank flashlight)

Do people use Nitecore flashlights? - Quora

스테핑 모터로 만든 자가발전 손전등(Homemade hand crank flashlight)