#define BLYNK_TEMPLATE_ID "TMPL6UEQ8l2NQ"
#define BLYNK_TEMPLATE_NAME "Deteksi Gas"
#define BLYNK_AUTH_TOKEN "2v_mUVie3fKnjLytRJI2M4LO1O-QXkCl"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include <ESP32Servo.h>

const char* ssid = "Wokwi-GUEST";
const char* pass = "";

#define GAS 35
//#define Buzzer 5
#define LED 18
#define LED1 19
#define LED2 5
#define srvo 25
Servo myServo;
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(115200);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  lcd.init();
  lcd.backlight();
  myServo.attach(srvo);  // Menghubungkan servo ke pin 25// Set posisi awal servo ke 0 derajat
  pinMode(GAS, INPUT);
  //pinMode(Buzzer, OUTPUT);
  pinMode(LED, OUTPUT);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
}

void loop() {
  Blynk.run();

  int G = analogRead(GAS);
  Blynk.virtualWrite(V1, G);

  Serial.print("GAS: ");
  Serial.println(G);

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

  // if (G > 1000) {
  //   lcd.setCursor(4, 1);
  //   lcd.print("!!ALERT!!");
  //   myServo.write(90);  // Servo ke 90 derajat
  //   Blynk.virtualWrite(V0, HIGH);
  //   digitalWrite(Buzzer, HIGH);
  //   tone(Buzzer, 2000, 50);
  //   digitalWrite(LED, HIGH);
  // } else {
  //   lcd.setCursor(7, 1);
  //   lcd.print("AMAN");
  //   myServo.write(45);   // Servo ke 0 derajat
  //   Blynk.virtualWrite(V0, LOW);
  //   digitalWrite(Buzzer, LOW);
  //   noTone(Buzzer);
  //   digitalWrite(LED, LOW);
  // }

  if(G > 1000) {
    myServo.write(90);
    lcd.setCursor(4, 1);
    lcd.print("!!ALERT!!");
    digitalWrite(LED, HIGH);
    delay(100);
    digitalWrite(LED, LOW);
    delay(100);
    digitalWrite(LED1, HIGH);
    delay(100);
    digitalWrite(LED1, LOW);
    delay(100);
    digitalWrite(LED2, HIGH);
    delay(100);
    digitalWrite(LED2, LOW);
    delay(100);
     digitalWrite(LED, HIGH);
    delay(100);
    digitalWrite(LED, LOW);
    delay(100);
    digitalWrite(LED1, HIGH);
    delay(100);
    digitalWrite(LED1, LOW);
    delay(100);
    digitalWrite(LED2, HIGH);
    delay(100);
    digitalWrite(LED2, LOW);
    delay(100);
     digitalWrite(LED, HIGH);
    delay(100);
    digitalWrite(LED, LOW);
    delay(100);
    digitalWrite(LED1, HIGH);
    delay(100);
    digitalWrite(LED1, LOW);
    delay(100);
    digitalWrite(LED2, HIGH);
    delay(100);
    digitalWrite(LED2, LOW);
    delay(100);
    Blynk.virtualWrite(V2, HIGH);
    delay(100);
    Blynk.virtualWrite(V2, LOW);
    delay(100);
    

  }else{
    myServo.write(0);
    lcd.setCursor(7, 1);
    lcd.print("AMAN");
    digitalWrite(LED, LOW);
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    Blynk.virtualWrite(V2, LOW);
    Blynk.virtualWrite(V3, LOW);
    Blynk.virtualWrite(V4, LOW);
  }
  
delay(1000);
// Delay untuk stabilitas pembacaan
}