Manikandan.M.B
Created March 19, 2016

AUTOMATED FIRE ALERT

As the fire occurs the arduino senses with the help of temperature sensor, and sends an SOS to the fire department.

Intermediate1 hour177
AUTOMATED FIRE ALERT

Schematics

AUTOMATED FIRE ALERT CIRCUIT DIAGRAM

File missing, please reupload.

Code

AUTOMATED FIRE ALERT CODE

Arduino
JUST PLACE IT AND USE IT
#include <SoftwareSerial.h>
#include<LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2); 
SoftwareSerial mySerial(9, 10);

int sensor=A1;
float temp_read,Temp_alert_val,Temp_shut_val;
int sms_count=0,Fire_Set;


void setup()
{
  pinMode(sensor,INPUT);
  mySerial.begin(9600);   
  Serial.begin(9600);    
  lcd.begin(16,2);  
  delay(500);
}

void loop()
{
CheckFire();
CheckShutDown();
}

void CheckFire()
{
lcd.setCursor(0,0);
lcd.print("Fire Scan - ON");
Temp_alert_val=CheckTemp();
if(Temp_alert_val>55)
{
 SetAlert(); // Function to send SMS Alerts
}
}

float CheckTemp()
{
temp_read=analogRead(sensor); // reads the sensor output (Vout of LM35)
temp_read=temp_read*5;    // converts the sensor reading to temperature
temp_read=temp_read/10;  // adds the decimal point
return temp_read; // returns temperature value in degree celsius
}

void SetAlert()
{
while(sms_count<2) //Number of SMS Alerts to be sent
{  
SendTextMessage(); // Function to send AT Commands to GSM module
}
Fire_Set=1; 
lcd.setCursor(0,1);
lcd.print("Fire Alert! SMS Sent!");
}

void CheckShutDown()
{
if(Fire_Set==1)
{

Temp_shut_val=CheckTemp();
if(Temp_shut_val<37)
{
lcd.setCursor(0,1);
lcd.print("Fire Shut! SAFE NOW");
sms_count=0;
Fire_Set=0;
}}}

void SendTextMessage()
{
  mySerial.println("AT+CMGF=1");    //To send SMS in Text Mode
  delay(2000);
  mySerial.println("AT+CMGS=\"PHONE NUMBER1\"\r"); // change to the phone number you using 
  delay(2000);
  mySerial.println("Fire in NEW ROOM!");//the content of the message
  delay(200);
  mySerial.println((char)26);//the stopping character
  delay(5000);
   mySerial.println("AT+CMGS=\"PHONE NUMBER2\"\r"); // change to the phone number you using 
  delay(2000);
  mySerial.println("Fire in NEW ROOM!");//the content of the message
  delay(200);
  mySerial.println((char)26);//the message stopping character
  delay(5000);
  sms_count++;
}

Credits

Manikandan.M.B

Manikandan.M.B

1 project • 1 follower
a person who is passionate about electrical engineering and automobiles.
Thanks to guru natraj, meeran moideen.

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