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midnight-wonderer/uart-loopback.md

Last active August 20, 2021 07:42
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uart-loopback.md

Serial port uart loopback test in linux

Configuration https://unix.stackexchange.com/questions/220657

stty -F /dev/ttyUSB0 115200 raw -echo -echoe -echok -echoctl -echoke

On a terminal

cat -v < /dev/ttyUSB0

On another terminal

echo -e "Loopback success!" > /dev/ttyUSB0
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