Hardware hack to ouput midiUSB from Wii Balance Board device.
It use teensyLC microcontroller dev board and four hx711 load cell ADC boards.
Original button on Wii balance is use for tare, blue led also connected (lights up when startup done).
-send midiUSB pitchWheel on channel 1 for X move (0 is center, right is ++)
-send midiUSB pitchWheel on channel 2 for Y move (0 is center, forward is ++)
-send midiUSB pitchWheel on channel 3 for total weight
