Prototype home safety system, fully Automated with the help of Arduino Uno. 3 main features : Fire System, Card Reader and Motion Sensor
Things used in this project
Hardware components
Hand tools and fabrication machines
Soldering iron (generic)
Story
We were supposed to form a project comprising an Arduino Uno with a minimum of 3 sensors and 3 actuators. Hence I brainstormed and came up with the idea of an Automated Home which ensures the safety and security of the user.
It uses the the following sensors :
* PIR Motion Sensor * RFID Card Reader *Fire Sensor
It uses the following actuators :
*Piezo Buzzer *DC Relay *LCD display
The DC relay is used to implement a sprinkler system in case a fire breaks out in the premises.
Custom parts and enclosures
EAGLE schematic
This is the EAGLE schematic for the circuit which shows h=all the proper connections of each component to the Arduino Uno
Schematics
Flowchart
This is the flowchart for the project and gives a general idea on what the Home Safety System should do and how it performs
Pseudo Code
This is the Pseudo code for the project which shows how the project is supposed to be implemented. It is gives the user a step by step idea on how the project works.
Code
Code for the Flame Sensor
Arduino
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);
int flameSensorPin = 0; // input pin for flame sensor
int fR; // reading of the flame sensor
int buzzerPin=8; // pin assigned to buzzer
int tt=1023;
void setup(void)
{
Serial.begin(9600); // starting the serial monitor
pinMode(buzzerPin,OUTPUT); // output for the buzzer
pinMode(7, OUTPUT); // output for the DC relay
}
void loop(void)
{
fR = analogRead(flameSensorPin); // reads the flamesensor pin
if(fR<1023) //if loop for flame detected
{
digitalWrite(7, HIGH); //DC relay turned on
digitalWrite(buzzerPin,HIGH); //buzzer turned on
delay(1000);
digitalWrite(7, LOW); //DC relay turned on
// initialize the LCD
lcd.begin();
// Turn on the blacklight and print a message.
lcd.backlight();
lcd.print("LCD is Working");
}
else // incase no fire detected
{
digitalWrite(buzzerPin,LOW);
digitalWrite(7, LOW);
delay(1000);
}
Serial.print("Analog reading = ");
Serial.println(fR); // the raw analog reading delay(1000);
delay(500);
}
