int relay = 2;
int pushbutton = 8;
int countthroughPushButton = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode(pushbutton, INPUT_PULLUP);
  pinMode(relay, OUTPUT);
  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:

  //counter program----------------------------
  int a = digitalRead(pushbutton);
  if (a == LOW) {
    countthroughPushButton++;
    Serial.println(countthroughPushButton);
    delay(500);
  }

  //control program----------------------------
  //always ON i.e duty cycle = 100%
  if (countthroughPushButton == 0) {
    digitalWrite(relay, HIGH);
  }
  // ON: 7.5 min, OFF: 2.5 min, duty cycle = 75%
  else if (countthroughPushButton == 1) {
    digitalWrite(relay, HIGH);
    delay(4500);
    digitalWrite(relay, LOW);
    delay(1500);
  }
  // ON: 5 min, OFF: 5 min, duty cycle = 50%
  else if (countthroughPushButton == 2) {
    digitalWrite(relay, HIGH);
    delay(3000);
    digitalWrite(relay, LOW);
    delay(3000);
  }
  // ON: 2.5 min, OFF: 7.5 min, duty cycle = 25%
  else if (countthroughPushButton == 3) {
    digitalWrite(relay, HIGH);
    delay(1500);
    digitalWrite(relay, LOW);
    delay(4500);
  }
  // ON: 1 min, OFF: 9 min, duty cycle = 10%
  else if (countthroughPushButton == 4) {
    digitalWrite(relay, HIGH);
    delay(600);
    digitalWrite(relay, LOW);
    delay(5400);
  }
  // reset count
  else {
      countthroughPushButton = 0;
  }
}