Web Serial — webserial-core demo

Connection

Baud Rate

Data Bits

Stop Bits

Parity

Flow Control

Buffer Size

Cmd Timeout (ms)

Handshake (ms)

Reconnect (ms)

Auto Reconnect

Vendor ID (hex)

Product ID (hex)

Message Format

Delimiter

Prepend

Append

Handshake on Connect

Sent automatically right after the port opens. Leave Command empty to skip entirely.

Command to send

Mode

Expected (empty = no check)

Mode

Saved Commands

Pre-defined commands to send. Use HEX for raw bytes.

Name

Command

Mode

Data Listeners

Patterns for on('serial:data') — skeleton code in download.

Name

Pattern

Match

Download Code

Class / File name

TypeScript JavaScript

Standalone file Full project (ZIP)

Import config

Connect a device to start communicating

⚡

Connect a Web Serial device to begin

Code Preview device.ts