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Serial Monitor

The serial monitor panel gives you a terminal-style interface for live serial communication directly inside VS Code.

Connecting to a Port​

  1. Open the Serial Monitor Pro panel from the activity bar.
  2. Your connected serial ports appear automatically in the Serial Ports list. Click Refresh (↻) if a port is not showing.
  3. Click a port to open the monitor.
  4. Configure connection settings in the toolbar (see below).
  5. Click Connect.

Connection Settings​

SettingDescription
Baud RateData rate in bits per second. Common values: 9600, 115200. Custom rates can be added via the serialMonitorPro.customBaudRates setting.
Data BitsNumber of data bits per frame (typically 8).
Stop BitsNumber of stop bits (1 or 2).
ParityError detection bit: None, Even, or Odd.
Line EndingCharacters appended to outgoing messages: None, LF, CR, or CRLF.

Sending Data​

Type a message in the input field at the bottom of the monitor panel and press Enter to send. The configured line ending is appended automatically.

Timestamps​

Enable timestamps on received data with the serialMonitorPro.timestampEnabled setting, or toggle it from the toolbar. Each incoming line is prefixed with the time it arrived.