8PCS PCF8574 IO Expansion Board Module I/O Expander I2C-Bus Evaluation Developme



PCF8574 Blue module function: 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). Supports two interface types access target board: Pin or row seat, support I2C bus cascade(by pin header row seat docking methods can be used simultaneously multiple I2C modules). Typical application: I/O resource shortage MCU I/O expansion main resources: the PCF8574 I2C interface, 8-bit parallel. Information includes: test procedures(AVR, STM8, C8051F) circuit schematics related PDF data. Package Included: 8pcs PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module