Waveshare PCF8574 IO Expansion Board

• Waveshare PCF8574 IO Expansion Board
• Enables 8-bit I/O expansion via I2C
• Connects up to eight boards for 64 ports
• Features I2C pinheader and connector
• Supports I2C cascading for multiple modules
• Enhances integration with development systems

The Waveshare PCF8574 IO Expansion Board serves as a remote 8-bit I/O expander for the I2C-bus, enabling the connection of up to eight boards for a total of 64 I/O ports. It features an I2C pinheader and connector on opposite sides, enhancing flexibility in connecting to development systems. The board supports I2C cascading, allowing multiple modules to be connected simultaneously via the I2C bus, facilitating expanded functionality and integration.