The CountDown library is a clock that counts down from a given time to zero, like an hour glass. It does not call any function or so when reaching zero as the user is responsible to check the time ...

This library is now deprecated and end of life. No further supports for help and feature request. We recommended the FirebaseClient library for ongoing supports. You have to read the library ...

The value of a mirror is in its clarity. If the reflection is cast by [danicakostic17]’s Uncooperative Mirror though, you’ll find anything but. It’s described as a useless machine, because it appears ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

So you've already outgrown Arduino's most beginner-friendly board, the Uno, and are looking to move on to bigger, more exciting projects. In that case, the Nano family might just be what you need.

Why buy one when you can build it cheaper?