Set Host COM Port

Automatically detect, manually select, or manually specify COM port of host computer

Since R2025a

Model Configuration Pane: Hardware Implementation / Hardware board settings / Target hardware resources / Host-board connection

Description

Automatically detect, manually select, or manually specify the COM port of your host computer to communicate with the Arduino^® board.

Dependencies

This parameter is enabled in the Configuration Parameters dialog box when you set Select upload method to USB.

Settings

Automatically (default) | Manually select | Manually specify

• Automatically — Simulink^® automatically detects the Arduino board connected to your host computer and establishes a serial communication using the available COM port.

  Note

  You cannot detect the COM port automatically for Arduino Nano 3.0, ESP32–WROOM and ESP32–WROVER Arduino compatible boards.

• Manually select — Select a COM port in the Host COM Port drop-down list that Simulink detects to establish a serial communication between the Arduino board and your host computer.

  Click Refresh to populate the available COM ports in the Host COM Port drop-down list.

• Manually specify — Enter the COM port in the Host COM Port parameter to establish a serial communication between the Arduino board and your host computer.

Programmatic Use

No programmatic use is available.

Version History

Introduced in R2025a