PCF8574 IO Expansion Board I2C-Bus Evaluation Development Module - Expand Your Microcontroller's I/O Capabilities

The PCF8574 IO Expansion Board is designed to expand the input/output (I/O) capabilities of microcontrollers using the I2C bus interface . It provides 8 additional I/O ports and supports cascading multiple modules to extend up to 64 I/O ports , making it ideal for projects involving keypads , LED arrays , sensor networks , and control systems . Compatible with Arduino , Raspberry Pi , and other microcontrollers, this board simplifies wiring and development.

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