The Qduino Mini is the first tiny Arduino compatible board that has a built-in battery charger and fuel gauge, watch the video below to learn more from its ...

This gadget uses Arduino to control the whole process and takes a voltage reading from the solar panel and the battery to be charged. Then, according to voltage levels on either side, it charges the ...

The Allpowers SP012 Solar Panel 100W is the best choice for charging a phone and other essential devices in the great outdoors.