Smart Door

 Smart Door using Arduino Uno





YouTube: Video

Circuit:


Code:

int bulb = 13;
int ir1 = 6;
int ir2 = 7;

int count = 0;

void setup()
{
  pinMode(bulb, OUTPUT);
  pinMode(ir1, INPUT);
  pinMode(ir2, INPUT);
  Serial.begin(9600);
  count = 0;
}

void loop()
  if(digitalRead(ir1)== LOW && digitalRead(ir2)== HIGH)
  {
    count++;
    Serial.print("Count:");
    Serial.println(count);
    delay(1000);
  }
  
  else if(digitalRead(ir2)== LOW && digitalRead(ir1)== HIGH)
  {
    count--;
    Serial.print("Count:");
    Serial.println(count);
    delay(1000);
  }
 
  if(count > 0)
  {
    digitalWrite(bulb, HIGH);
    //Serial.println("Lights ON");
  }
  else
  {
     digitalWrite(bulb, LOW);
     //Serial.println("Lights OFF");
  }
}

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