/*
* Quefrency lacks I2C resistors on the right PCB, so the right half doesn't
* work independently. (Presumably the floating I2C lines cause a problem.)
* Using serial seems sufficiently fast in practice and allows both halves to
* be used independently.
*/
/* Use an extra LED on the right side since it's wider on the 65% PCB. */
/* Set up RGB lighting so it works with either side as master. */