#define lockBTN 2
#define unlockBTN 3
#define Lsignal 4
#define Rsignal 5
#define buzz 6
#define relay1 7
#define relay2 8

int button1;
int button2;


void setup() {
  // put your setup code here, to run once:
  pinMode(lockBTN, INPUT_PULLUP);
  pinMode(unlockBTN, INPUT_PULLUP);
  pinMode(Lsignal, OUTPUT);
  pinMode(Rsignal, OUTPUT);
  pinMode(buzz, OUTPUT);
  pinMode(relay1, OUTPUT);

}

void loop() {
  //LED respresents the Forward and Reverse. Dont mind if it was lit when off
  //since actuator consume a lot of current, it needs to be OFF.
  //In car door lock acuator, if you trigger it forward and turn
  //it off, the posistion still the same.
  //and when you trigger reverse it the acuator will move opposite
  //and turn it off, the position is till same.
  //this is to conserve car battery.
  doorLock();
  doorUnlock();
}

void doorLock(){
  button2 = digitalRead(unlockBTN);
  if(button2 == LOW){ // Unlock the door
    digitalWrite(relay1, HIGH); // this will turn the accuator ON
    tone(buzz, 2200);
    delay(10);
    noTone(buzz);
    digitalWrite(Lsignal, HIGH);
    digitalWrite(Rsignal, HIGH);
    delay(150);
    digitalWrite(Lsignal, LOW);
    digitalWrite(Rsignal, LOW);
    delay(200);
    tone(buzz, 2200);
    delay(10);
    noTone(buzz);
    digitalWrite(Lsignal, HIGH);
    digitalWrite(Rsignal, HIGH);
    delay(150);
    digitalWrite(Lsignal, LOW);
    digitalWrite(Rsignal, LOW);
    delay(500);
    digitalWrite(relay1, LOW);
  }
}

void doorUnlock(){
  button1 = digitalRead(lockBTN);
  if(button1 == LOW){ // Lock the door
    tone(buzz, 2200);
    delay(10);
    noTone(buzz);
    digitalWrite(relay2, HIGH); // this will turn the accuator ON
    digitalWrite(Lsignal, HIGH);
    digitalWrite(Rsignal, HIGH);
    delay(200);
    digitalWrite(Lsignal, LOW);
    digitalWrite(Rsignal, LOW);
    delay(500);
    digitalWrite(relay2, LOW);
  }
}