An I/O Processor (IOP) for the uBITX V5... a Teensy 3.2 microcontroller with Audio Adapter Shield, housed within the uBITX enclosure, to provide TX and RX Digital Signal Processing (as well as a single USB interface to the computer).

Rob French 57c97d9f98 Working with Raduino! High pitched whine in RX audio. Goes away when ... USB unplugged. Not immediate, so not a ground loop... seems to be associated with one of my mixers...		2020-05-08 00:19:07 -05:00
ubitx_iop	Working with Raduino! High pitched whine in RX audio. Goes away when	2020-05-08 00:19:07 -05:00