Introduction: Solar USB Charger
In this 'ible I will be instructing you on how to build your own simple solar USB charger!
Step 1: Gather Your Supplies
1. A 5v (or a little less) solar panel
Note: If your panel is under 1 amp or 4.5 volts, just use a boost driver or transistor. If your panel is too powerful use a regulator or resistor.
2. A female USB
Note: If your panel is under 1 amp or 4.5 volts, just use a boost driver or transistor. If your panel is too powerful use a regulator or resistor.
2. A female USB
Step 2: Prepare Your Wiring
1. Strip an tin the tips of the wire on the solar panel.
2. Repeat step one for the USB port (same steps).
2. Repeat step one for the USB port (same steps).
Step 3: Begin Soldering
1. Solder the positive wire from the solar panel to the positive on the USB port.
2. Repeat step 1 for the negative wire.
2. Repeat step 1 for the negative wire.
Step 4: Schematic
Step 5: Optional
You could make/buy a case for this project, or use a switch.





