New answers tagged uart
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I have recently tested it again. It works fine now. :)
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"The output I receive is serial test start ...
What am I doing wrong?"
You should use /dev/serial0
There seems to be nothing wrong with the program, it is probably doing what you instructed it to do
i.e. Send a line; then read input and resend the characters over serial, presumably producing an infinite loop.
What do you expect it to do?
...
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Try reconnecting serial device to find exact port.
Refer https://www.instructables.com/Raspberry-Pi-Arduino-Serial-Communication/
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Use /dev/serial0 (rather than /dev/ttyS0).
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Hi this is how to solve this problem:
import serial.tools.list_ports
ports = list(serial.tools.list_ports.comports())
print(ports[0][0])
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