Devantech USB to I2C adaptor / communications module

Devantech's low cost USB-I2c module. The USB-I2C module is a low cost USB to I2C module, with a simple command set, and interfacing to any I2C device. The USB-I2C module provides a complete interface between your PC and the I2C bus. The module is self powered from the USB cable and can supply up to 70mA at 5v for external circuitry from a standard 100mA USB port.

Not currently available

Our Code: COM-40029


This is the original USB-I2C adaptor that I ordered in by mistake (:

On sale at a great price if you need a USB-I2C adaptor. For a more capable unit check out the newer USB-I2C device.

I2C Devices - Any registered or unregistered I2C device.
Host support - Drivers available for Windows XP64, XP, 2000, ME, 98, CE.NET V4.2, Linux, Mac OS8, OS9, OSX.
Voltage - Self powered - 5v available
Current - Up to 70mA available for your own circuits
On-board Pull-up resistors - 4.7k
Digital I/O - 1 Input and 2 I/O available when not using I2C.
Analogue Input - 2 10-bit channels available when not using I2C.

Excellent for testing and configuring I2C devices from your PC or just hooking up extra gadgets to your computer. Note that the module is a I2C master only, not a slave.

Here's the USB-I2C adaptor with a SRF08 attached.

Works with our 6ft USB A to B cable 



Manufacturers technical data and test software - see for full specifications


FTDI FT232R USB Chip Drivers