#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int gasPin = 26;

void setup() {
  Serial.begin(9600);
  lcd.init();                      
  lcd.backlight();                 
  lcd.setCursor(0, 0);
  lcd.print("Gas Sensor Test");    
  delay(2000);
}

void loop() {
  int gasValue = analogRead(gasPin); 

  Serial.print("Gas Value: ");
  Serial.println(gasValue);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Gas Value: ");
  lcd.print(gasValue); 

  delay(1000); 
}