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

Program

//SLAVE
#include
#include
LiquidCrystal lcd(12,11,5,4,3,2);
void setup()
{
  Serial.begin(9600);
  Wire.begin(1);
  Wire.onReceive(ruso);
  lcd.begin(16,2);
}
void loop()
{
  delay(50);
}

void ruso(int y)
{
  
  signed int voltage=Wire.read();
  lcd.setCursor(0,0);
  lcd.print("the voltage is");
  //lcd.setCursor(0,1);
  lcd.print(voltage);
  //Serial.print("voltage value\n");
  //Serial.println(5);
  delay(50);
               
}