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DIY Hand Crank Mini BoostBox - Easy Batter Free Capacitor Power USB
This is the easiest BoostBox ever! It makes the most amazing battery free flashlight. See below for parts list:
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Hand Crank Generator: https://amzn.to/3fMKIMP
100F Supercapacitors: https://www.mouser.com/ProductDetail/...
USB Flashlight: https://amzn.to/3Cu1f1T
Programmable USB Fan: https://amzn.to/3fHRyDl
USB Powered Soldering Iron: https://amzn.to/3xzqex1
USB Reading Lamp: https://amzn.to/3fNkNVk
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