MCP23017 16-Channel I2C GPIO Expander Breakout Board for Raspberry Pi Arduino

MCP23017 16-Channel I2C GPIO Expander Breakout Board for Raspberry Pi Arduino Description: This I²C GPIO expansion module adds 16 programmable digital I/O ports to your embedded projects. Designed for seamless integration with popular single-board computers and microcontroller platforms, it provides flexible voltage support (3.3V/5V) and comprehensive development resources. Features:

• 16-Channel I/O Expansion: MCP23017 chip extends 16 GPIOs (PA0-PA7/PB0-PB7) solving interface shortages with dual interrupt pins (INTA/INTB) for instant response to input changes, reducing CPU load by 70%
• 3-Platform Support: Works with Raspberry Pi (Zero/2B/4B), Arduino and STM32 with included C/Python/Arduino demo codes for quick integration
• Auto-Sensing Logic Levels: Compatible with 3.3V/5V systems without level shifters and features 8 configurable I2C addresses with 3-bit DIP switch settings (0x20-0x27) for multi-device chaining
• Plug-and-Play Design: PH2.0 connector plus 2.54mm headers for no-soldering integration with your development boards
• Versatile Applications: Suitable for sensor arrays, industrial control systems, smart home hubs, and IoT node development projects
• Programmable Digital I/O Ports: Provides 16 fully programmable digital input/output ports through IC interface for flexible embedded project expansion
• Comprehensive Development Resources: Includes complete documentation and sample code libraries to accelerate your project development across multiple platforms