#define BLYNK_TEMPLATE_ID "TMPL3w-dCObVZ"
#define BLYNK_TEMPLATE_NAME "IOTPhase4"
#define BLYNK_AUTH_TOKEN "i4xhUCb3epG8weF80tEfBppGaOts0SMv"

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

#define trigger_wave 13
#define distance_echo 12
#define buzzer 14
unsigned int condition=0;
BlynkTimer timer;

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
#define BLYNK_PRINT Serial 

int a=0;

void setup()

 {
  Serial.begin(115200);
  pinMode(trigger_wave, OUTPUT);
  pinMode(distance_echo, INPUT);
  pinMode(buzzer,OUTPUT);
  Blynk.begin(auth,ssid,pass,"blynk.cloud",8080);
}

void loop() 

{
  //send the wqave to m,easure the length and teh capacity of water
  a=1;
  
  digitalWrite(trigger_wave, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigger_wave, LOW);


  // receiving wave to judge teh waterlevel and hit the buzzer
  int duration = pulseIn(distance_echo, HIGH);
  Serial.print("Distance in feet: ");
  Serial.println((duration / 58)*0.3);
  

//now i hyave value 400 and average dam will be of 120 feet
//i ned to convert my values to 120 so 


condition = (duration / 58)*0.3;
Blynk.virtualWrite(V0,condition);
Blynk.virtualWrite(V1, a);

if(condition >= 90)
{
  digitalWrite(buzzer,HIGH);
  Serial.print("DAM WILL BE OPENED FLOW WARNING!!!!!!!!! ");
  Blynk.virtualWrite(V0,condition);
  Blynk.virtualWrite(V1, a);

}

else if (condition<90)
{
  a=0;
  Blynk.virtualWrite(V1, a);
  digitalWrite(buzzer,LOW);
  
}


  delay(1000);
  Blynk.run();
}