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comma serial

The comma serial gets you access to a low level serial console on your comma three, while providing a stable 12V to power the device.

The serial is available on the comma shop.

setup

Connect all three cables to the serial
Connect the USB A to your computer
Connect the USB-C to the OBD-C port on your comma three

usage

sudo screen /dev/ttyUSB0 115200

or use connect.sh to run the previous command in a loop.

The username and password are both comma.