#define BLYNK_TEMPLATE_ID "TMPL6G451wV4Z"
#define BLYNK_TEMPLATE_NAME "RTC asu"
#define BLYNK_AUTH_TOKEN "Jvs2J4Cibq4iBg3KugtEqfrvmHjF0s1j"
#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <ArduinoJson.h>
#include <BlynkSimpleEsp32.h>






#define Echo 15
#define Trig 2
#define Merah 14
#define Kuning 12
#define Hijau 13
#define Buzzer 26


char auth[]=BLYNK_AUTH_TOKEN;
char ssid[]="Wokwi-GUEST";  
char pass[]="";

BlynkTimer timer;



float jarak = 0;
int nada;





void ukur_jarak(){
  digitalWrite(Trig, LOW);
  delay(10);
  digitalWrite(Trig, HIGH);
  delay(10);
  digitalWrite(Trig, LOW);

  int duration = pulseIn(Echo, HIGH);
  jarak = duration * 0.034 / 2 + 1;

  Serial.print("Jarak: ");
  Serial.print(jarak);
  Serial.println(" cm");

}

void output_jarak(){
  if(jarak > 400) {
    Serial.println("Aman");
    digitalWrite(Hijau, HIGH);
    noTone(Buzzer );
  }
  else if(jarak >= 200 && jarak <= 400) {
    Serial.println("Hama Mendekat!");
    digitalWrite(Kuning, HIGH);
  }
  else if(jarak < 200) {
    Serial.println("Ada Hama");
    digitalWrite(Merah, HIGH);
    tone(Buzzer,500);
  }
}
  









void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  pinMode(Trig, OUTPUT);
  pinMode(Echo, INPUT);
  pinMode(Merah, OUTPUT);
  pinMode(Kuning, OUTPUT);
  pinMode(Hijau, OUTPUT);
  pinMode(Buzzer, OUTPUT);
  
 

 
  
}

void loop() {
  digitalWrite(Merah, LOW);
  digitalWrite(Kuning, LOW);
  digitalWrite(Hijau, LOW);

  ukur_jarak();

  output_jarak();



  Blynk.run();
  timer.run();
  delay(200);

}