This is a modification of HF Signals' uBITX V5 amateur radio transceiver. It incorporates an "I/O Processor" (IOP), consisting of a Teensy 3.2 and associated Audio Shield, to provide additional computing power, I/O, and Digital Signal Processing.
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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