One-handed text entry device based on the SparkFun Pro Micro and the Cherry MX Blue.
3D Models - Contains keys and enclosure for 3D printing
Firmware - Contains Arduino Sketch
Check out the video here: https://www.youtube.com/watch?v=GGNV3bmZrdg
Check out the products here:
Cherry MX Blue: https://www.sparkfun.com/products/13834
Cherry MX Breakout: https://www.sparkfun.com/products/13773