3 Pieces PCF8574 IO Expansion Board I2C Development Board for

Description:

Standard interface that can be expanded in a variety of development boards
I2C Serial port to 8-bit parallel port , support expand into 8×8 = 64 at most
PCF8574 IO expansion chip with I2C interface, 8-bit parallel port output
Applicable to a variety of platforms including / AVR / ARM
With this module, you can use only 2 ports of your or Raspberry Pi board to control up to 8 digital I/O ports.
Material: Plastic
Size: Approx. 55x15x1mm

Package Includes:

3 Pieces PCF8574 Expansion Board