This takes a raw MPG pendant and turns it into a raw HID based USB peripheral.

Wire up as shown in teensy2_bb.png. This uses a teensy 2 uC.

Once wired up load up Teensyduino from pjrc website into your arduino dev system. Select Teensy2 and USB Raw HID, compile and load onto the teensy.

Use this in association with Smoopi https://github.com/wolfmanjm/kivy-smoothie-host