simple tests confirm COBS etc is not that big of a hindrance

2023-12_usb-real-data-rates.md

code/serial_multi_sink_asyncio/multi_sink_blocking.py

code/serial_sink_simple/serial_list.py

code/serial_sink_simple/sink_simple.py

code/serial_source_simple/serial_source_simple.ino

images/2023-12-27_simple-01-baseline.png

images/2023-12-27_simple-02-cobsless.png

images/2023-12-27_simple-03-cobsless-240mhz.png

images/2023-12-27_simple-04-cobsless-d21.png