32 Digital Inputs/Outputs, based on the Microchip MCP23017 chip
Control via the Raspberry Pi I2C port, selectable I2C addresses thru switches
Stackable, up to 4 boards per Raspberry Pi, right angled headers for ease connection when stacked
All I/Os are 5V tolerant, built in 3.3V to 5V shifter for Raspberry Pi I2C port protection
Raspberry Pi can be Back Powered or isolated thru a jumper, The board can be powered thru the Raspberry Pi GPIO 5V pins, or thru a 5V polarized input header from an external supply

Technical Details

Product Details

Package Dimensions
Width : 3.31 inch
Height : 1.1 inch
Length : 7.01 inch

Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B01N27A7TT