Accident Prevention System Using Eye Blink Sensor

Circuit Diagram

Code

int sensor = 8;

int buzzer = 11;

int motor = 6;

void setup()

{

 

  pinMode(buzzer, OUTPUT);

  pinMode(sensor,INPUT);

  pinMode(motor,OUTPUT);

  digitalWrite(motor,HIGH);

}

// the loop function runs over and over again forever

void loop() {

  if(digitalRead(sensor)==1)

  {

    digitalWrite(11,LOW);

    digitalWrite(motor,HIGH);

  }

  else

  {

    delay(3000);

    digitalWrite(11,HIGH);

    digitalWrite(motor,LOW);

  }

  

}

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Intruder Detection System Using PIR and ISD1820

Circuit:-

 

Code:- 

int pir = 8;

int speaker = 9;

void setup()

{

  

pinMode(pir,INPUT);

pinMode(speaker,OUTPUT);

}

void loop()

{

  if(digitalRead(pir)==1)

  {

    digitalWrite(9,HIGH);

  }

  else

  {

     digitalWrite(9,LOW);

  }

}

Smart TollGate Barrier Using RFID Module

 Circuit:- 

Code:-

#include<Servo.h>

Servo servo;

int count = 0;  

char input[12];

void setup() {

  Serial.begin(9600);

 servo.attach(8);

 servo.write(0);

}

void loop() {

  if(Serial.available())

  {

    count = 0;

    while(Serial.available() && count < 12)

    {

      input[count] = Serial.read();

      count++;

      delay(5);

    }

    if(input[0] == '4' && input[1] == '0' && input[2] == '0' && input[3] == '0' &&

       input[4] == '3' && input[5] == '5' && input[6] == '0' && input[7] == '5' &&

       input[8] == '9' && input[9] == '1' && input[10] == 'E' && input[11] == '1' )

    {

      servo.write(90);

      delay(2000);

      servo.write(0);

    

      

    }

  }

}

Automatic car parking using 2 IR sensors Part (2)

 Circuit:-

We are adding one more IR sensor on the 10th pin of Arduino

Code:- 

#include<Servo.h>

int IR1 = 10;

int IR2 = 11;

Servo servo1;

Servo servo2;

void setup() {

pinMode(IR1,INPUT);

pinMode(IR2,INPUT);

servo1.attach(8);

servo2.attach(9);

servo2.write(0);

servo1.write(120);

delay(1000);

}

void loop() {

  if(digitalRead(IR1)==LOW && digitalRead(IR2)==HIGH)

  

 {

  servo2.write(90);

 servo1.write(0);

  

  

 

 }

 else if(digitalRead(IR1)==HIGH && digitalRead(IR2)==LOW)

 {

   servo2.write(0);

  servo1.write(120);

 }

}

 

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Automatic Car parking system Part (1)

 Circuit:-

Code:-

#include<Servo.h>

int IR1 = 10;

Servo servo1;

Servo servo2;

void setup() {

pinMode(IR1,INPUT);

servo1.attach(8);

servo2.attach(9);

servo2.write(0);

servo1.write(180);

delay(1000);

}

void loop() {

  if(digitalRead(IR1)==LOW)

  

 {

  servo2.write(90);

 servo1.write(0);

  

  delay(3000);

 

 }

 else

 {

   servo2.write(0);

  servo1.write(120);

 }

}

 

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RFID Based DoorLock System project

 Circuit:- 

Code:- 

int count = 0;

char input[12];

int Lock = 13;

void setup() {

  Serial.begin(9600);

  pinMode(Lock , OUTPUT);

}

void loop() {

  if(Serial.available())

  {

    count = 0;

    while(Serial.available() && count < 12)

    {

      input[count] = Serial.read();

      count++;

      delay(5);

    }

    if(input[0] == '3' && input[1] == '0' && input[2] == '0' && input[3] == '0' &&

       input[4] == '4' && input[5] == 'F' && input[6] == 'F' && input[7] == '0' &&

       input[8] == '2' && input[9] == '0' && input[10] == 'A' && input[11] == 'F' )

    {

      digitalWrite(Lock , HIGH);

      delay(2000);

      digitalWrite(Lock , LOW);

    }

  }

}

First of all you will have to find the 12 digit unique id number of your card which you are using. You can generate that id with the help of this video:-

https://www.youtube.com/watch?v=8B14w5t9-MI

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Keypad Based Door Lock System Arduino Project

 Circuit:-

Code:-

#include <Keypad.h>

#include <LiquidCrystal.h>

LiquidCrystal lcd(A0, A1, A2, A3, A4, A5);

#define Password_Lenght 7 // Give enough room for six chars + NULL char

int lock = 8;

char Data[Password_Lenght]; // 6 is the number of chars it can hold + the null char = 7

char Master[Password_Lenght] = "123456";

byte data_count = 0, master_count = 0;

bool Pass_is_good;

char customKey;

const byte ROWS = 4;

const byte COLS = 3;

char keys[ROWS][COLS] = {

  {'1', '2', '3'},

  {'4', '5', '6'},

  {'7', '8', '9'},

  {'*', '0', '#'}

};

bool door = true;

byte rowPins[ROWS] = {1, 2, 3, 4}; //connect to the row pinouts of the keypad

byte colPins[COLS] = {5, 6, 7}; //connect to the column pinouts of the keypad

Keypad customKeypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS); //initialize an instance of class NewKeypad

void setup()

{

  pinMode(lock,OUTPUT);

    lcd.begin(16, 2);

  lcd.print("Technical Hut");

  lcd.setCursor(0, 1);

  lcd.print("DoorLock Project");

  delay(3000);

  lcd.clear();

}

void loop()

{

  if (door == 0)

  {

    customKey = customKeypad.getKey();

    if (customKey == '#')

    {

      lcd.clear();

      digitalWrite(lock,LOW);

      lcd.print("  Door is close");

      delay(3000);

      door = 1;

    }

  }

  else Open();

}

void clearData()

{

  while (data_count != 0)

  { // This can be used for any array size,

    Data[data_count--] = 0; //clear array for new data

  }

  return;

}

void Open()

{

  lcd.setCursor(0, 0);

  lcd.print(" Enter Password");

  

  customKey = customKeypad.getKey();

  if (customKey) // makes sure a key is actually pressed, equal to (customKey != NO_KEY)

  {

    Data[data_count] = customKey; // store char into data array

    lcd.setCursor(data_count, 1); // move cursor to show each new char

    lcd.print(Data[data_count]); // print char at said cursor

    data_count++; // increment data array by 1 to store new char, also keep track of the number of chars entered

  }

  if (data_count == Password_Lenght - 1) // if the array index is equal to the number of expected chars, compare data to master

  {

    if (!strcmp(Data, Master)) // equal to (strcmp(Data, Master) == 0)

    {

      lcd.clear();

      digitalWrite(lock,HIGH);

      lcd.print("  Door is Open");

      door = 0;

    }

    else

    {

      lcd.clear();

      lcd.print("  Wrong Password");

      delay(1000);

      door = 1;

    }

    clearData();

  }

}