Product Description

• The PCF8574 IO Expansion Board is used as remote 8-bit I/O expander for I2C-bus. Up to 8 PCF8574 IO Expansion Board can be connected to the I2C-bus, providing up to 64 I/O ports.
• The PCF8574 IO Expansion Board features I2C pinheader on one side, and I2C connector on the opposite side.
• Hence, it’s more flexible to connect the board to your development system.
• The board also supports I2C cascading, allowing the use of multi module connected to the I2C bus at the same time by connecting the pinheader and connector.
• Features:
  PCF8574, I2C interface, 8-bit parallel port