Enhanced version of Devantech USB to I2C Interface Module Connects to I2C, SPI, Serial buses, Digital I/O and Analog inputs Support I2C at 20,50,100,400 & 1000khz Built in Bootloader allows easy user updates The Devantec USB to I2C, SPI and Serial interface is an enhanced version of Devantech USB to I2C Interface Module. It is a low cost module with a simple command set and interfacing to any I2C device. 1.5m USB Cable Type A to B is available. The Devantech SRF08 Ultrasonic Range Finder combines with the USB-I2C to make a complete USB self-powered ultrasonic ranger. The USB-ISS is able to connect to I2C, SPI and Serial buses as well as Digital I/O and Analog inputs. This product is the successor of Rb-Dev-17. Features:• USB Powered• Support I2C at 20,50,100,400 & 1000khz• I2C + I/O• 24khz to 3Mhz SPI Mode • 300baud to 3Mbaud Serial Mode• I2C Direct - Used to build custom I2C sequences• Built in Bootloader allowing easy user updates• Supply power to external Circuit: Up to 80mA• 3.3v and 5v Operation• Mounting holes on PCB