Hand Crank Generator
Hand Crank Generator
Oct 3, 2020
instructables.com
A DIY Emergency Powerbank… Made by Hand! I built a super compact hand-crank mini generator! 🔧⚡ A small DC motor, a couple of gears, a supercapacitor and a powerbank module… and suddenly the power of your hand turns into real electricity! 💡🔋 The LED lights up, the supercap charges, and even the USB module comes to life. It works like a tiny emergency powerbank: energy on demand, wherever you are, with no outlets and no battery needed. Perfect for experiments, survival kits, or simply having fu
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