#include
LiquidCrystal lcd(7, 6, 5, 4, 3, 2); // LCD Pin Nomer
// Variabel yang ditetapkan ke nomor pin masing-masing
int redLED = 12;
int greenLED = 11;
int buzzer = 10;
int smokeSensor = 0;
int sensorThreshold = 700;
int sensorPin = A1;
void setup()
{