5pcs CJMCU-8575 PCF8575 Bidirectional IIC I2C And SMBus I/O Expander Expansion Board For Arduino


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Have you run out of I/O pins? This great IC allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575C is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins.

Package included:

5 x Module