#include <LiquidCrystal.h>
 liquidcrystal lcd (12,11,10,9,8,7)

const int component_led1 = 13;
void setup() {
  // put your setup code here, to run once:
 lcd.begin(16, 2);
  lcd.print("GAS SENSOR");
  Serial.begin(9600);
  pinMode(component_led1, OUTPUT);
}