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RS-485

The Pigeon RB700 has two RS-485 ports. The RS-485 ports are available in Linux as '/dev/ttyRS485-1' and '/dev/ttyRS485-2'.

Useful commands

  • Check the RS-485 port settings:
$ stty -a -F /dev/ttyRS485-1 
  • Send data via the RS-485 port:
$ echo "test" > /dev/ttyRS485-1 
  • Read data from the RS-485 port:
$ cat /dev/ttyRS485-1 

Using picocom for Serial Communication

To install picocom, run:

$ sudo apt install picocom

To open a serial connection using picocom, run the following command:

$ picocom -b 115200 /dev/ttyRS485-1
  • -b 115200 sets the baud rate to 115200.
  • Replace /dev/ttyRS485-1 with the appropriate serial device.

Notes: To exit picocom, press Ctrl-A, then Ctrl-X.