16-Channel I2C GPIO Expansion Module for Game Console and Computer Applications

Designed for versatility, this IO expansion module is ideal for computer peripherals, game console controls, smart home systems, sensor management, motor control, and LED matrix driving. It's particularly useful in embedded systems and projects requiring multiple channel controls. Featuring a user-configurable I2C address, this module integrates seamlessly with standard 2.54mm pin headers. Its compatibility with breadboards and development boards ensures easy connections and enhances adaptability across platforms. At the heart of this module is the MCP23017-E/SP chip, which supports the I2C communication protocol. It offers bidirectional 16-bit input and output control capabilities, significantly increasing the number of IO ports on main control chips. The MCP23017 chip operates over high-speed I2C interfaces, supporting frequencies of 100kHz, 400kHz, and 1.7MHz. This feature ensures rapid data transmission and efficient performance in complex control systems. Equipped with 3 address pins, the chip can be set to 8 different addresses, allowing up to 8 modules to be connected via two I2C buses. This setup enables substantial expansion, supporting up to 128 IO ports for extensive project scalability. Color: As shown Material: PCB Package Contents: 1 x Module Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3 cm.