The most rewarding part of any project must be sitting down ... [Tony] wrote an Android app for his tablet that talks to the Arduino with an Adafruit Bluefruit Bluetooth adapter.

With me so far? Here is a list of projects that you can do with an Arduino that are fun, relatively easy, and incredibly ...

But we can’t deny this Arduino calculator project by [Danko Bertović] would look good sitting on the bench. In the video after the break, [Danko] walks us through the creation of the calculator ...