The newly released Arduino Leonardo has a few very interesting features, most notably the ability to act as a USB keyboard and mouse thanks to the new ATmega 32U4 microcontroller. This feature ...

They fall into two categories: input and output ... your board's firmware and displaying and plotting serial data received or printed by the Arduino. The IDE is available in a browser and a ...

Luckily [Paul Martinsen] has put together a primer of three different ways to use an Arduino to filter signals ... still working on debouncing a digital input, we have you covered there, too.