Waveshare MCP23017 IO Expansion Board, Expands 16 I/O Pins

Experience seamless connectivity with the MCP23017 IO Expansion Board, a versatile module designed to expand microcontroller capabilities with ease. This board adds 16 additional input/output pins, operating via I2C interface, effectively transforming any project requiring more GPIO without the need for multiple controllers.

Perfect for a myriad of applications from home automation to custom robotics, ensuring seamless integration and optimal performance. It supports 25mA sink current per pin, ideal for controlling LEDs, LCDs, or relays. The onboard interrupt system alerts your microcontroller of state changes, enhancing responsiveness in real-time applications.

Small but mighty, the MCP23017 places control at your fingertips, with the ability to stack up to 8 devices for a total of 128 GPIOs, all accessible through just two wires. Simplify your projects while significantly expanding their potential with this robust solution.