In this tutorial, you will build a breadboard keyboard with 4 keys. The keyboad will be used in tutorials 2 through 7. When you finish this tutorial you will have a working keyboard and an ...

For those less experienced folks looking to move their Arduino projects to more permanent installations, this is just for you! [Martyn] Posted a three part series, VeroBoardUino, over at his blog ...

Our Arduino can deliver 5 v, and at most 40 mA. The voltage is determined by Arduino, but the current is determined by whatever we’re trying to control. In the case of the LEDs, they only need 20 mA ...