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

//I2C MASTER CODE
// two ardunio connected
#include
#include
LiquidCrystal lcd (2, 7, 8, 9, 10, 11);
void setup()
{
lcd.begin(16,2);
lcd.setCursor(0,0);
lcd.print("Tharun");
lcd.setCursor(0,1);
lcd.print ("12C ARDUINO 2 ARDUINO");
for (int i = 0; i < 16; i++) {
lcd.scrollDisplayLeft();
delay(100);
}
delay(2000);
lcd.clear();
Serial.begin(9600);
Wire.begin();
}
void loop()
{
Wire.requestFrom(8,1);
byte MasterReceive = Wire.read();
int potvalue = analogRead(A0);
byte MasterSend = map(potvalue, 0, 1023,0,127);
Wire.beginTransmission (8);
Wire.write(MasterSend);
Wire.endTransmission ();
lcd.setCursor (0,0);
lcd.print(">> the Master <<<<");
lcd.setCursor(0,1);
lcd.print("SlaveVal:");
lcd.print(MasterReceive);
Serial.println("Master Received From Slave");
Serial.println(MasterReceive);
delay(500);

//I2C SLAVE
//Communication between Two Arduino
#include
#include
LiquidCrystal lcd (2, 7, 8, 9, 10, 11);
byte SlaveReceived =0;
void setup()
{
lcd.begin(16,2);
lcd.setCursor(0,0);
lcd.print("Tharun");
lcd.setCursor(0,1);
lcd.print("I2C 2 ARDUINO");
delay (5000);
lcd.clear();
Serial.begin(9600);
Wire.begin(8);
Wire.onReceive(receiveEvent);
Wire.onRequest(requestEvent);
}
void loop(void)
{
lcd.setCursor(0,0);
lcd.print (">> the Slave <<");
lcd.setCursor (0,1);
lcd.print("MasterVal: ");
lcd.print(SlaveReceived);
Serial.println("Slave Received From Master:");
Serial.println(SlaveReceived);
delay(500);
lcd.clear();
}
void receiveEvent (int howMany)
{
SlaveReceived = Wire.read();
}
void requestEvent()
{
int potvalue = analogRead(A0);
byte SlaveSend = map(potvalue, 0, 1023, 0, 127);
Wire.write(SlaveSend);
}