arduino_FR4_MDMA.ino

//This program allows the door openning with:
//(1) Manual activation 

#include <Servo.h> //library to operate servo motors
Servo motor; //create servo object to control a servo

int Lswitch = 2;
int count = 0; //variable to store how many times the door was activated
int sensoractive = 0;//variable to store if the switch was activated
int number1 = 0; //intital state of the sensor
int number2 = 0; //following state of the sensor
int state = 0;

void setup() {
  Serial.begin(9600);  //This value of bits per second is by default
  motor.attach(7); //attaches the servo on pin 7 to the servo object
  pinMode(Lswitch,INPUT_PULLUP);
}

void loop() {
   motor.detach();
   number1 = digitalRead (Lswitch);
   delay(100);
   number2 = digitalRead (Lswitch);//"0" means that the switch has been activated
  
   if ((number1 - number2) == 1){
     state = 1;
   }
   
  
  if (state == 1){
    sensoractive++;
    Serial.print("sensor activation: ");  
    Serial.println(sensoractive);
    state = 0;
  }

  if (sensoractive == 4)
  {
    count++;
    Serial.print("openning #: ");
    Serial.println(count);
    motor.attach(7);  //re-attach the servo to pin #7
    motor.write(0); // telling the motor to rotate continously (180 is full velocity in one direction, 0 full velocity in the other direction, 90 no movement)
    delay(600);  // motor will continue rotating for 0.5 seconds
    motor.detach(); // telling the motor to stop
    delay(7000);  // motor will remained stopped for 7 seconds
    motor.attach(7);  //re-attach the servo to pin #7
    motor.write(180); // telling the motor to rotate continously
    delay(600);  // motor will continue rotating for 0.5 seconds
    motor.detach(); // telling the motor to stop
    sensoractive = 0;
  } 
}