An Arduino mini pro provides the brains. A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed.

DastardlyLabs uses a USB host shield, a Bluetooth module, an Arduino Pro Mini, and a bunch of other random parts to create this little device.

Skipping the Bluetooth in a portable Bluetooth speaker gives us a new platform for our noise maker hacks. Something small, fun, and easy to bring to our next hacker show-and-tell meetup!