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.
For the shortage I/O resources' MCU to I/O extension
Supports two types of access to the target board Interface: Pin or row seat
PCF8574, I2C interface, 8-bit parallel port
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Description:Standard interface that can be expanded in a variety of development boardsI2C Serial port to 8-bit parallel port , support expand into 8×8 = 64 at mostPCF8574 IO expansion chip with I2C interface, 8-bit parallel port outputApplicable to a variety of platforms including Arduino / AVR / ARMWith this module, you can use only 2 ports of your Arduino or Raspberry Pi board to control up to 8 digital I/O ports.Material: PlasticSize: Approx. 55x15x1mmPackage Includes:1x PCF8574 Expansion Board
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