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Prerequisite : Latest Arduino IDE, Proteus with Arduino UNO and PCF8574 Library, Skype. 

Day One : Basics of I2C protocol, Register Details of AtMega328P and Datasheet of PCF8574

Day Two : Coding and Simulation to write single device

Day Three : Coding and Simulation to read from single device

Day Four : Coding and Simulation to read and write with multiple devices

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