PCF 8574 interfacing with ATMEGA32

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Aditya Gupta

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pcf8574 atmega

Hi All,


Please help me in developing c code for ATMEGA 32.
I want to expand port using PCF 8574 I2C port expander
i connected two 8574 and assigned two different address
to them one is used as i/p port and other one as o/p port.


Thanks in advance...
 

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