Description
PCF8574 IO Expansion Board I2C-Bus Evaluation Development Module is port extender module for arduino, raspberry pi and other development boards. its I2C interface, I / O expansion module, two I / O scalability 8 I / O up to 8 simultaneous use, the PCF8574 expanded to 64 I / O and its typical application are I / O resource shortage MCU I / O expansion.