IO Extension Module I2C Interface 16 Bit IIC Input Output Expansion Pin Board MCP23017‑E/SS - Flexible IO Config, High Speed I2C up to 1.7MHz, Supports Up to 128 Channel Expans

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[Flexible Configuration]: Expands 16 IO channels with I2C interface allowing flexible input/output setup compatible with 3.3V and 5V systems for versatile project use. [Microchip MCP23017 Chip]: Utilizes the reliable MCP23017 chip providing stable 16-way IO expansion with configurable pull-up resistors and interrupt functionality for input pins. [High Speed I2C Interface]: Supports multiple IIC frequencies including 100KHz, 400KHz, and up to 1.7MHz for fast and efficient communication in complex electronics projects. [Scalable Expansion Capability]: Features 3 address pins enabling up to 8 modules on two I2C buses, allowing a maximum of 128 IO expansions for large-scale control needs. [Robust Performance]: Operates within -40℃ to 125℃ with a wide voltage range of 3V to 5.5V and strong IO driving capacity supporting up to 25mA sink/source current enhancing durability and reliability.