Building a hand crank phone charger (AKIO TV)
12:36
Building a Generator
9:44
A Generator built from a Stepper Motor and Supercapacitors
7:25
DIY Phone Charger
10:12
Make your own hand-cranked Emergency Powerbank
39:41
Custom Swiss Army Knife - Part 3 - Making the Horse's Hoof Tool
14:37
V2 DIY Hand Crank BoostBox - Capacitor Power Can Start a V6 Engine
20:18
How to drive this weird electric motor
22:19