MCP23017 IO Expander Board, I2C Interface 16 GPIO Expansion Module for Raspberry Pi Arduino STM32, with Demo Code
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- Product Description The MCP23017 IO Expansion Board provides 16 additional GPIO pins via I2C interface, perfect for Raspberry Pi, Arduino, and STM32 projects requiring extra I/O. Its compact design reduces pin occupation while supporting 3.3V/5V logic levels for broad compatibility. The onboard DIP switch allows effortless I2C address setup, and dual interfaces (PH2.0 & 2.54mm pads) ensure hassle-free connections. Ideal for prototyping and embedded systems, this board comes with demo codes (C/Python for Raspberry Pi, Arduino/STM32) for quick input/output and interrupt testing. Whether you're expanding sensors, LEDs, or buttons, the MCP23017 module delivers reliable port expansion with plug-and-play ease. Package Contents SG-IO-E017 x 1 PH2.0 6PIN connecting cable x 1
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Wide Compatibility - This MCP23017 IO expansion board supports Pi (Zero/2B/3B/4B), Arduino, and STM32, offering seamless GPIO port expansion for multiple development boards. Flexible I2C Control - Features an I2C interface with minimal pin usage, and an onboard 3-digit DIP switch for easy I2C address configuration, ensuring smooth integration. Dual Voltage Support - Compatible with both 3.3V and 5V logic levels, making it versatile for various embedded projects without extra level shifting. Convenient Connectivity - Equipped with PH2.0 connectors and 2.54mm spacing pads, enabling quick wiring to other development boards and sensors. Ready-to-Use Demo Codes - Includes open-source C/Python codes for Raspberry Pi, Arduino, and STM32, simplifying input/output testing and interrupt functions.