An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this Arduino ...

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a Raspberry Pi, you won't find anything resembling an operating system here ...

Educeeno is compatible with the most common Uno R3 (around 7-10$ on Ebay) and Mega R3 (around 8-15$) and Arduino Leonardo boards. The project book has been design to help the user to get better ...