#define BLYNK_TEMPLATE_ID "TMPL6B-Rb318r"
#define BLYNK_TEMPLATE_NAME "sistem irigation"
#define BLYNK_AUTH_TOKEN "2MFF2N0IWLJGErfiByLGxlZa-3i3aVEp"

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>


char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan




Servo myservo; // membuat variabel servo untuk dikendalikan

int pos = 0; // deklarasi variabel untuk posisi sudut
int ledpin1 = 12;
int ledpin2 = 14;
int ledpin3 = 25;
int buzzerpin = 26;
int trigpin = 23;
int echopin = 22;
int potPin = 13; // deklarasi pin 2 untuk input potensio
long timer;
int jarak;
int val;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
Blynk.begin(auth, ssid, pass);
  myservo.attach(17); //deklarasi servo pada pin 17
  pinMode(ledpin1, OUTPUT);
  pinMode(ledpin2, OUTPUT);
  pinMode(ledpin3, OUTPUT);
  pinMode(buzzerpin, OUTPUT);
  pinMode(trigpin, OUTPUT);
  pinMode(echopin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  Blynk.run();
  timer;


digitalWrite(trigpin, LOW);                   
delayMicroseconds(2);
digitalWrite(trigpin, HIGH);                  
delayMicroseconds(10);
digitalWrite(trigpin, LOW);                   

timer = pulseIn(echopin, HIGH);
jarak = timer*0.034/2;
delay(1000);

    Blynk.virtualWrite(V0, jarak);


      // int angle = analogRead(pot);
        // angle = map(angle,0 ,1023, 0, 180);
          // servo1.write(angle);

  if (jarak > 250){
    Serial.println("Aman");
    digitalWrite(ledpin1, HIGH);
    digitalWrite(ledpin2, LOW);
    digitalWrite(ledpin3, LOW);
    noTone(buzzerpin);
    myservo.write(0);
Serial.print("Jarak = ");
Serial.print(jarak);
Serial.print(" cm");
Serial.println();
  } else
    if (jarak > 50 && jarak < 250){
    Serial.println("Waspada");
    digitalWrite(ledpin2, HIGH);
    digitalWrite(ledpin3, LOW);
    digitalWrite(ledpin1, LOW);
    noTone(buzzerpin);
    myservo.write(90);
Serial.print("Jarak = ");
Serial.print(jarak);
Serial.print(" cm");
Serial.println();
    
  } else
    if (jarak < 50) {
    Serial.println("Awas");
    digitalWrite(ledpin3, HIGH);
    digitalWrite(ledpin2, LOW);
    digitalWrite(ledpin1, LOW);
    tone(buzzerpin, 150);
Serial.print("Jarak = ");
Serial.print(jarak);
Serial.print(" cm");
Serial.println();
  
for(pos = 0; pos < 180; pos+= 1) // perulangan untuk posisi 0 sampai 180 derajat
{ // step setiap 1 derajat
 myservo.write(pos); // memerintahkan servo ke posisi derajat sesuai nilai variabel pos
delay(15); // menunggu 15 milideti
}
//membaca sinyal analog input di A0
val = digitalRead(13);      
//konversi hasil analog (0-1023) menjadi hasil sudut (0-180)      
val = map(val, 0, 1023, 0, 180); 
//set posisi sudut motor servo    
 myservo.write(val);                  
 delay(15);
}
}

            






                
 // this speeds up the simulation