Devantech USB to I2C adapter

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Devantech USB-I2C adapter R286-USB-I2C I2C interface adapter Robot Electronics $32.50


Product Details

This USB to 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 70 milliamps at 5V for external circuitry from a standard 100 milliamp USB port.  The module is an I2C master only, not a slave.


I2C DevicesAny registered or unregistered I2C device.
VoltageSelf powered - 5V available
CurrentUp to 70mA available
On-board Pull-up resistors4.7kΩ
Digital I/O1 Input and 2 I/O available when not using I2C
Analog Input2 10-bit channels available when not using I2C
I2C clock rate100kbps

Additional Information

Reading and writing an I2C packet generally follows a specific command structure.  Often, one will send a structured packet to the virtual serial port with a I2C-USB command, followed by the I2C device address with address registers and informational bytes. Details and examples on usage can be found on the Technical Documentation page.

Product Assets

Name Notes File
R286-USB-I2C.igs 3D IGES CAD Model Download
Product Information Technical Documentation
FTDI Driver Download Virtual COM Port Drivers