Devantech USB to I2C, SPI, Serial adapter

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Devantech USB-ISS adapter R348-USB-ISS bridging module I2C SPI USB Robot Electronics $32.50 powered 3.3V 5.0V
  • $32.50 (USD)
  • We accept Visa, Mastercard, American Express, and Discover.Ordering Information
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  • The USB-ISS is a bridging module for communicating with I2C, SPI and serial buses over USB. Output pins may alternatively be configured as general purpose digital input/output and analog inputs.

  • Manufactured By - Devantech Ltd (Robot Electronics)
  • R348-USB-ISS


Product Details

The module is powered from the USB.  Operating voltage is selectable between 3.3V and 5.0V by applying a jumper across the "Power Link" header.  The module and can supply up to 80 milliamps at 5.0V for external circuitry from a standard 100 milliamps USB port.Drivers are required for operation under Windows.  When used on a Mac OS X or Linux based operating system, the USB-ISS will manifest as a virtual serial port (CDC). This means it will show up as COMX in Windows and in the device tree (/dev/tty....) in Mac OS X and Linux platforms.

Pinout Diagram with isometric view

Pinout Diagram with isometric view

USB-ISS Pin Settings

ModePin APin BPin CPin D
I/O I/O4I/O4I/O4I/O1
Serial I/O4I/O3TXRX

Product Assets

Name Notes File
R348-USB-ISS.igs 3D IGES CAD Model Download Windows Driver (download) Download
Product Information Technical Documentation