A simple-to-make charger that safely recharges many USB devices using solar power.
Charge up your USB devices with the power of the sun. By adding a small solar panel and two diodes to a standard USB cable, you can plug that cable into USB devices needing a recharge. It’s so easy. Let’s get started making a solar USB charger.
Video shows the Solar USB Charger being tested on a sunny day.
Check out more Weekend Projects.