The piano has been around for a long time now. Not long after its invention, humans started contemplating how they could avoid playing it by getting a machine to do the job instead. [vicenzobit] is ...

The Arduino open-source platform is an excellent way to create your own home and hobby electronics projects from scratch. The logic boards sold under the Arduino brand are receptive to all kinds of ...

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 ...