automatic_door_visitor_counter.ino

//created and modified by prasant
//All right reserved to electronify.org
//you can modify and share this code freely
#include <LiquidCrystal.h>
LiquidCrystal lcd(13, 12, 11, 10, 9, 8);

#define PIR_sensor 14
#define counter 7
#define m11 0
#define m12 1

void setup() 
{
  lcd.begin(20, 4);
  lcd.clear ();
  pinMode(m11, OUTPUT);
  pinMode(m12, OUTPUT);
  pinMode(PIR_sensor, INPUT);
  pinMode(counter , OUTPUT);
  lcd.print("INTELLEGENT DOOR");
  lcd.setCursor(0,1); 
  lcd.print("ELECTRONIFY.ORG");
  delay(1000);
  //initialize visitor counter as int visitor =0 
}

void loop() 
{
  if(digitalRead(PIR_sensor))
  {
    digitalWrite(counter,HIGH);
    digitalWrite(counter,LOW);
    lcd.setCursor(0,2);
    lcd.print("Movement Detected");
    lcd.setCursor(0, 3);
    lcd.print("    Gate Opened    ");
    digitalWrite(m11, HIGH);         // gate opening
    digitalWrite(m12, LOW);
    delay(1000);
    digitalWrite(m11, LOW);          // gate stop for a while
    digitalWrite(m12, LOW);
    delay(1000);
    lcd.setCursor(0, 3);
    lcd.print("   Gate Closed    ");
    digitalWrite(m11, LOW);           // gate closing
    digitalWrite(m12, HIGH);
    delay(1000);
    digitalWrite(m11, LOW);            // gate closed
    digitalWrite(m12, LOW);
    
    delay(1000);
    //display visitor count to seven segment display 
    //please increase visitor count ++ 
    
  }
  
  else 
  {
     digitalWrite(counter,LOW);
    lcd.setCursor(0,2);
    lcd.print("   No Movement   ");
    lcd.setCursor(0,3);
    lcd.print("   Gate Closed   ");
    digitalWrite(m11, LOW);
    digitalWrite(m12, LOW);
   
  }
}