Arduino hardware/software serial port tester
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README.md
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README.md

serial_tester

Arduino hardware/software serial port tester

Usage

python2 serial_tester.py <port>

for example:

python2 serial_tester.py /dev/ttyUSB0

Here is the test result of software serial running on Leonardo board.
Arduino 1.8.5
baudrate 115200

alt text

Left column: test no. right: byte sent and received.