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

void setup()

 {
  Serial.begin(115200);
  pinMode(trigger_wave, OUTPUT);
  pinMode(distance_echo, INPUT);
  pinMode(buzzer,OUTPUT);
}

void loop() 

{
  //send the wqave to m,easure the length and teh capacity of water
  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;

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

else if (condition<90)
{
  digitalWrite(buzzer,LOW);
}


  delay(1000);
}