#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);

void setup() {
  // put your setup code here, to run once:

Wire.begin();
Serial.begin(9600);
Serial.println("\nI2C Scanner");
}

void loop() {
  // put your main code here, to run repeatedly:
byte error , address;
int Devices;
Serial.println("Scanning...");
Devices = 0;
for(address = 1; address < 127; address++ )
{

Wire.beginTransmission(address);
error = Wire.endTransmission();
if (error == 0)
}
}