The Arduino ecosystem is an amazing learning tool, but even those of us who love it admit that even the simplified C Arduino ...

[Damcave] decided to try out some bar code reader projects. He got his hands on a CueCat years ago. The problem is that it outputs encrypted character sets instead of a clear text string. To get ...

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 ...