Project 1 - Interfacing a 16*2 LCD with Arduino using I2C protocol

 Master code:

#include                        //Library for LCD display function

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);         //Define LCD Module Pins (RS,EN,D4,D5,D6,D7)

int val1=A4; 

int val2=A5;

void setup()

{

lccd.begin(16,2);

}

void loop()

{

lcd.setCursor(0,0);                     //Sets Cursor at line one of LCD

lcd.print(">> Master <<");          //Prints >> Master << at LCD

lcd.setCursor(0,1);                     //Sets Cursor at line two of LCD

lcd.Print("SlaveVal: 99");            //Prints SlaveVal: in LCD

LCD

delay(1000);

}

Slave Code:

#include                      //Library for LCD Display Function

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);        //Define LCD

Module Pins(RS,EN,D4,D5,D6,D7)

int val1=A4;

int val2=A5;

void setup()

{

lcd.begin(16,2);

}

void loop()

{

lcd.setCursor(0,0);                             //Sets Cursor at line one of LCD

lcd.print(">> Slave <<");                  //Prints >> Slave << at LCD

lcd.setCursor?(0,1);                         // Sets Cursor ar line two of LCD

lcd.print("MasterVal: 100");              //Prints MasterVal: in LCD

delay(1000);

}