Hc sensorius

#define RELAY1  2
#define RELAY2  3


int trigPin = 11;    // Trigger
int echoPin = 12;    // Echo
long duration, cm, inches;
int laikas =0;

void setup() {
  //Serial Port begin
  Serial.begin (9600);
  //Define inputs and outputs
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(RELAY1, OUTPUT);
  digitalWrite(RELAY1, HIGH);
  pinMode(RELAY2, OUTPUT);
  digitalWrite(RELAY2, HIGH);
  delay(3000);

}

void loop() {
  // The sensor is triggered by a HIGH pulse of 10 or more microseconds.
  // Give a short LOW pulse beforehand to ensure a clean HIGH pulse:
  digitalWrite(trigPin, LOW);
  delayMicroseconds(5);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);

  // Read the signal from the sensor: a HIGH pulse whose
  // duration is the time (in microseconds) from the sending
  // of the ping to the reception of its echo off of an object.
  pinMode(echoPin, INPUT);
  duration = pulseIn(echoPin, HIGH);

  // Convert the time into a distance
  cm = (duration/2) / 29.1;     // Divide by 29.1 or multiply by 0.0343
  inches = (duration/2) / 74;   // Divide by 74 or multiply by 0.0135

  Serial.print(inches);
  Serial.print("in, ");
  Serial.print(cm);
  Serial.print("cm");
  Serial.println();



  digitalWrite(RELAY1,LOW);   // Turns the Relay/Pump on
  laikas++;

  if(laikas>500){
    laikas=0;
    digitalWrite(RELAY1,HIGH );  // Relay/Pump is off
    delay(1000);
    }

    digitalWrite(RELAY2, LOW);

if(laikas >20 && laikas <50 ){
  laikas = 60;
  digitalWrite(RELAY2, HIGH);
  delay(2000);
}




}