In order to construct your own solar-powered USB charger, you will need thin-film solar panels, 2 NiMH AA batteries, pre-assembled USB charging circuit board, a diode, battery holder, wire and, of ...

Final Touches: Attach the 9V battery to the circuit, and your DIY USB charger is ready to use. You can now charge your USB devices on the go by simply connecting them to your new charger.

The Minty Boost kit contains the circuit board and all the parts needed to build a portable USB charger that runs off common AA batteries. The kit requires some soldering to assemble, which may be ...

This DIY Altoids Tin Solar Charger Keeps Your Gadgets Juiced Up. Alan Henry. June 21, 2015 This Altoids tin ... a USB charging circuit, and some wire.

A USB car charger, which will serve as the core of your DIY battery pack.Pretty much any model will work for this project — mine came from a gas station for a couple of bucks. A 9-volt battery ...

Prepare the USB Charging Circuit: Connect the hand crank mechanism to the USB charging circuit. This will typically involve soldering wires from the crank to the input terminals of the USB circuit.

To give you all an idea, consider this DIY steam powered iPod charger! ... From there I built a 5V regulator circuit and soldered in a female USB connection to power any USB ...

2.0 Watt, 6 Volt Solar Panel—$29, Voltaic Systems MintyBoost—$23, Adafruit Cable/LiPoly charger/battery—$36, Sparkfun Altoid tin—$3.70, your corner liquor store. With all the parts ...