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

LINK FOR THE EXPERIMENT

https://www.tinkercad.com/things/6Y01T7KazqN-fabulous-amur/editel?tenant=circuits 

CODE FOR MASTER

//I2C MASTER CODE

#include
#include

LiquidCrystal lcd (2, 7, 8, 9, 10, 11);

void setup()
{
lcd.begin(16,2);
lcd.setCursor (0,0);
lcd.print ("skill lync");
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);
}

CODE FOR SLAVE 

//SLAVECODE
#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 ("skill lync");
lcd.setCursor (0,1);
lcd.print ("12C 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);
}