The PCF8574 IO Expansion I2C Module Based on the I2C interface I / O expansion modules, using two I / O can be extended to eight I / O (up to simultaneous use 8 PCF8574, expanded to 64 I / O) Maximum Features: supports two types of Interface, access to the target board : Pin or row seat 2 supports I2C bus cascade (via pin, row seat docking methods can be used simultaneously multiple I2C modules) Compatible with Arduino Raspberry Pi / AVR / ARM Package Includes : 1 x PCF8574 IO Expansion I2C Module
