#define BLYNK_TEMPLATE_ID "TMPL6FEtK4ao"
#define BLYNK_DEVICE_NAME "waterLEVEL"
#define BLYNK_AUTH_TOKEN "tXRxesOxBZOPRPSJr7poGk1tmyDzIzmQ"

#define BLYNK_PRINT Serial

#define merah 21
#define kuning 19
#define hijau 18

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


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

BlynkTimer timer;

#define trigPin 33  
#define echoPin 32
int depth =20;
long duration;
int distance; 


 
void waterlevel()
{
    digitalWrite(trigPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigPin, LOW);
    duration = pulseIn(echoPin, HIGH);
    distance = duration * 0.034 / 2; 
    Serial.print("Distance: ");
    Serial.println(distance);
    Blynk.virtualWrite(V1, distance);
    delay(500);
}

 
void setup()
{
  Serial.begin(115200);
  pinMode(33, INPUT);
  pinMode(trigPin, OUTPUT); 
  pinMode(echoPin, INPUT);
  pinMode(merah, OUTPUT);
  pinMode(hijau, OUTPUT);
  pinMode(kuning, OUTPUT); 
  Blynk.begin(auth, ssid, pass);
  delay(2000);
  timer.setInterval(10L, waterlevel);
  
}

void loop()
{
 
 if(distance>150)
  {
    digitalWrite(merah, LOW);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau, HIGH);
  
    }
   else if (distance>100 & distance<150)
   {
    digitalWrite(merah, LOW);
    digitalWrite(kuning, HIGH);
    digitalWrite(hijau, LOW);
    }

     else if (distance<100)
   {
    digitalWrite(merah, HIGH);
    digitalWrite(kuning, LOW);
    digitalWrite(hijau, LOW);
    
    }


  Blynk.run();
  timer.run();
  }