teensy-switchtester
A Cherry MX switch tester using a Teensy 2.0 as a HID.
Upload the code using the Arduino IDE with Teensyduino installed. That's all you need to do to get it running, if you want to change the macros, read more here: https://www.pjrc.com/teensy/td_keyboard.html If you have any suggestions, please make a pull request.