hrsajjad844
Published © MIT

Bidirectional Visitor Counter with Automatic Light Control

Bidirectional Visitor Counter with Automatic Light Control using Arduino, IR sensors. Where you can easily count the person.

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Bidirectional Visitor Counter with Automatic Light Control

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
IR Transceiver (Generic)
×1
Relay Accessory, Relay Module
Relay Accessory, Relay Module
×1
Breadboard (generic)
Breadboard (generic)
×1
Alphanumeric LCD, 16 x 2
Alphanumeric LCD, 16 x 2
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Story

Read more

Schematics

circuit diagram

Here is the circuit diagram.

Code

Code

C/C++
This is the project code
//Visitors Counter and Automatic Room Light

#include<LiquidCrystal.h>
int Contrast = 60;
LiquidCrystal lcd(12,11,5,4,3,2);

#define in 14
#define out 19
#define relay 1

int count=0;

void IN()
{
    count++;
    lcd.clear();
    lcd.print("Person In Room:");
    lcd.setCursor(0,1);
    lcd.print(count);
    delay(1000);
}

void OUT()
{
  count--;
    lcd.clear();
    lcd.print("Person In Room:");
    lcd.setCursor(0,1);
    lcd.print(count);
    delay(1000);
}

void setup()
{
  analogWrite(6, Contrast);
  lcd.begin(16,2);
  lcd.print("Visitor Counter");
  delay(2000);
  pinMode(in, INPUT);
  pinMode(out, INPUT);
  pinMode(relay, OUTPUT);
  lcd.clear();
  lcd.print("Person In Room:");
  lcd.setCursor(0,1);
  lcd.print(count);
}

void loop()
{  
  
  if(digitalRead(in))
  IN();
  if(digitalRead(out))
  OUT();
  
  if(count<=0)
  {
    lcd.clear();
    digitalWrite(relay, LOW);
    lcd.clear();
    lcd.print("Nobody In Room");
    lcd.setCursor(0,1);
    lcd.print("Light Is Off");
    delay(200);
  }
  
  else
    digitalWrite(relay, HIGH);
  
}

Credits

hrsajjad844

hrsajjad844

1 project • 16 followers

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