Enhance your microcontroller projects with this versatile IO Extension Module featuring the MicroChip MCP23017 chip. Designed to expand your system’s input/output capabilities, this module provides 16 flexible IO channels via an I2C interface, compatible with both 5V and 3.3V logic levels, making it ideal for a wide range of embedded applications. Key Features: · Flexible IO Configuration: Supports 16 IO channels that can be individually configured as input or output, allowing tailored control for your project needs. · MicroChip MCP23017 Chip: Utilizes the reliable MCP23017 chip known for its robust performance and complete functionality, including built-in pull-up resistors and interrupt capabilities for input pins. · High-Speed I2C Interface: Supports multiple I2C communication speeds—100KHz, 400KHz, and up to 1.7MHz—ensuring fast and efficient data transfer for demanding applications. · Extensive IO Expansion: Features 3 address pins enabling up to 8 different module addresses; by connecting up to 8 modules on two IC buses, you can achieve a maximum of 128 expanded IO channels. · Strong Drive Capability: Each IO pin can source or sink up to 25mA, providing sufficient current drive for various peripheral devices and sensors. · Wide Operating Voltage and Temperature Range: Operates reliably within 3V to 5.5V and withstands temperatures from -40℃ to 125℃, suitable for diverse environments. · Compact Design: The module’s compact size (approximately 66 x 18mm) facilitates easy integration into existing projects without occupying excessive space. Specifications: · Item Type: IO Extension Module · Working Voltage: 3V–5.5V · Supported I2C Frequencies: 100KHz, 400KHz, 1.7MHz · Temperature Rating: -40℃ to 125℃ · Board Size: Approx. 66 x 18mm (2.6 x 0.71 inches) · IO Drive Capability: Sink and source current up to 25mA Package Includes: · 1 x IO Extension Module This IO Extension Module with MCP23017 chip is an essential tool for developers seeking to expand the input/output capacity of their microcontroller projects with flexible configuration, high-speed communication, and robust performance. Perfect for embedded systems, automation, robotics, and more, it delivers reliable and efficient IO expansion in a compact and durable design.