Teensy 2.0 USB AVR Development Board Keyboard Mouse U NEW Experiment Isp K5L2 | eBay
Pterodactyl: a custom Bluetooth keyboard using a Feather 32u4 #Bluetooth #Feather #3dThursday « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Programmable Macro Keyboard with an Arduino Pro Micro (32u4), Cherry Switches + Stealth Foot Pedal - YouTube