* These are Tibbo BASIC/C-programmable devices and their function depends on the loaded app.
We offer many ready-to-use apps, among them a serial-over-IP (SoI) app and Modbus Gateway app.

Web232: WebUSB-to-RS232 Board

The Web232 board works as a standard USB-to-RS232 adapter, but with WebUSB support.

The WebUSB JavaScript API allows web-based applications to access USB devices. WebUSB is supported by the Google Chrome browser and is also included in the Chromium open-source browser builds. If you are using Chrome (or a Chromium-based) browser, your web pages will be able to access an RS232 device connected to the Web232 board.

Tibbo is making extensive use of the WebUSB functionality. The first example of the Web232 board's usefulness is our PuTTY-like terminal app called WebTerminal.

To aid in the development of web-based apps (HTML pages) supporting the Web232 board, we offer an easy-to-use WebSerial library.

Key Features

  • Functions as a WebUSB-to-RS232 adapter*.
  • Baudrates up to 3 Mbps.
  • DB9M connector with TX, RX, RTS, CTS, DTR, and DSR lines.
  • Blue power LED.
  • Six bi-color LEDs to indicate the status of RS232 lines:
    • Red color indicates a positive voltage;
    • Green color indicates a negative voltage.

* WebUSB is supported by Chrome and Chromium-based browsers.

  • Full-speed (12Mbps) USB2.0 interface on a USB-C connector.
  • USB-powered, no additional external power necessary.
  • Supplied with a USB-A-to-USB-C cable.
  • Compact, outside dimensions only 57 x 47 x 27 mm.

Order the Web232 Board