PCF8574 IO Expansion Board

  • үнэ: 16,000 төг

PCF8574 IO Expansion Board

SKU: 3708
Part Number: PCF8574 IO Expansion Board
Brand: Waveshare
UPC: 700646948192

Package content:

  • PCF8574 IO Expansion Board × 1

Weight: 0.005 kg

8-Bit I/O Expander For I2C-Bus, PCF8574 On Board

CAUTION: This product is protected by patent, anyone making copies/knock-offs SHOULD be held liable pursuant to law.


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.


PCF8574, I2C interface, 8-bit parallel port



Development resources: demo codes, schematic, datasheets, etc.

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