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HiLetgo 2pcs PCF8574 PCF8574T IO Expansion Board I/O Expander I2C Evaluation Develop Module
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About HiLetgo 2pcs PCF8574 PCF8574T IO Expansion Board
Description: Based on the I2C interface I / O expansion modules, using two I / O can be extended to eight I / O (up to simultaneous use 8 PCF8574, expanded to 64 I / O) Maximum Features: supports two types of Interface, access to the target board: Pin or row seat 2 supports I2C bus cascade (via pin, row seat docking methods can be used simultaneously multiple I2C modules) Typical applications: for I / O resource constraints the MCU I / O expansion The main resources: PCF8574, I2C interface, the 8-bit parallel Document for PCF8574 PCF8574T Communication Module(Please kindly click the link and donwload the files):http://www.filedropper.com/pcf8574t_3 Package Included: 2* PCF8574 PCF8574T Communication Module Note: Please contact us if you need the Schematic
