Linux

minicom

Friendly menu-driven serial communication program.

#linux #serial #terminal

Basic Usage

Start minicom with setup menu:

minicom -s

Start minicom connecting to a specific device:

minicom -D [tty_device]

Key Bindings

Default prefix is Ctrl + a.

KeyAction
zShow help menu.
oConfigure minicom.
xExit and reset.
qExit without reset.
cClear screen.
lCapture to file (log).
wToggle line wrap.

Configuration

Common settings in minicom -s:

  • Serial port setup: Set device (e.g., /dev/ttyACM0), baud rate (e.g., 115200), parity, bits.
  • Modem and dialing: Init strings (clear them for raw serial).
  • Screen and keyboard: Line wrap, echo.

Example

Connect to [tty_device] at 115200 baud:

minicom -b 115200 -D [tty_device]