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DIY kinetic energy wrist charger: Build a wearable power bank that charges as you move!

Discover how to create a wearable kinetic energy power bank in this hands-on DIY electronics project. Follow step-by-step ...
Geeky Gadgets

DIY Arduino power bank with display and 60w power output

Makers and hobbyists looking for a more substantial portable battery pack that they can make themselves, should check out this excellent DIY power bank created by Instructables user “tobychui”. Using ...