PCF8574 IO Expansion Board I/O Expander I2C-Bus Evaluation Development Module

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Descrtion:

Features: Based on the I2C interface I / O expansion modules, use two I / O scalability eight I / O (up to 8 simultaneous use PCF8574, expanded to 64 I / O) The most ant feature: 1. Support two interface types acce target board: Pin or row seat 2. Supports I2C bus cascade (by pin, row seat docking method, which can use multle I2C modules) Tyal applications: for I / O resources were scarce MCU I / O expansion The main resource: PCF8574, I2C interfaces, eight parallel

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