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A simple serial tool for Linux —- picocom

  1. Install sudo apt install picocom

  2. How can get the serial driver ID? dmesg | grep ttyS* Then replug the serial device. You can see usb 2-2.1:pl2303 converter now attached to ttyUSB0 Your serial device ID is ttyUSB0.

  3. Connect the serial device sudo picocom -b 115200 /dev/ttyUSB0

  4. Other instructions

*** Picocom commands (all prefixed by [C-a])

*** [C-x] : Exit picocom
*** [C-q] : Exit without reseting serial port
*** [C-b] : Set baudrate
*** [C-u] : Increase baudrate (baud-up)
*** [C-d] : Decrease baudrate (baud-down)
*** [C-i] : Change number of databits
*** [C-j] : Change number of stopbits
*** [C-f] : Change flow-control mode
*** [C-y] : Change parity mode
*** [C-p] : Pulse DTR
*** [C-t] : Toggle DTR
*** [C-|] : Send break
*** [C-c] : Toggle local echo
*** [C-s] : Send file
*** [C-r] : Receive file
*** [C-v] : Show port settings
*** [C-h] : Show this message

Note: Must enter the [ctrl + a] enter command mode first.

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