Close-up of the right half of the Ergodox keyboard. The Teensy microcontroller, the mini-USB connector, and the four wire 3.5mm audio connector used to connect the other half of the keyboard.
Close-up of the right half of the Ergodox keyboard. The Teensy microcontroller, the mini-USB connector, and the four wire 3.5mm audio connector used to connect the other half of the keyboard.