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 ...

While researching cost-effective solutions, I thought of certain versions of Arduino development boards that can emulate an HID Keyboard. For example, the once-popular Makey Makey. If you look at its ...

Or at least, I could just take it apart to get some circuits for myself :D On the Internet, I found some interesting projects (see Sources) which did their own DIY MIDI Keyboard using an Arduino. I ...

So [Todd] has set out to build an Arduino frequency counter for a Kenwood TS-520S HF ham radio. This post (and the video found after the break) doesn’t cover the entire project. It’s rather ...