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Whats th major difference between I2c And RS232 communication. Both is Serial communication . But in I2c it use SCL and SDA pin . But for RS232 it use Rx Tx & GND. so how the data is shifted serially to COM port.
in rs232 one pin is for transmitting and the other pin is for receiving the data and the gnd is common but in I2C the communication will be made in only one pin that is SDA and SCL is the clock for data clock if u go through the I2C Specifications u will understand it clearly