#include "dht.h"
#include <SoftwareSerial.h>
#include <TinyGPS.h>
float lat = 28.5458,lon = 77.1703; // create variable for latitude and longitude object
#define sen1 A0
#define sen2 A1
#define sen3 A2
#define sen4 A3
#define buzz 7
dht DHT1;
dht DHT2;
dht DHT3;
dht DHT4;
String latitude = String(lat,6);
String longitude = String(lon,6);
SoftwareSerial gpsmodule(3,4);//connection tx rx
SoftwareSerial BTmodule(8,9); //connection tx rx
SoftwareSerial GSMmodule(10 ,11); //connection tx rx
TinyGPS gps; // create gps object
void initModule(String cmd, char *res, int t)
{
while(1)
{
Serial.println(cmd);
GSMmodule.println(cmd);
delay(100);
while(GSMmodule.available()>0)
{
if(GSMmodule.find(res))
{
Serial.println(res);
delay(t);
return;
}
else
{
Serial.println("Error");
}
}
delay(t);
}
}
void setup() {
Serial.begin(9600);
gpsmodule.begin(9600);
BTmodule.begin(9600);
GSMmodule.begin(9600);
pinMode(buzz, OUTPUT);
delay(500);
}
void loop() {
while(gpsmodule.available()){ // check for gps data
if(gps.encode(gpsmodule.read()))// encode gps data
{
gps.f_get_position(&lat,&lon);
}
}
Serial.println(latitude+";"+longitude);
DHT1.read11(sen1);
Serial.print("Temperature in Celsius");
Serial.print(DHT1.temperature);
Serial.print(" Current humidity = ");
Serial.print(DHT1.humidity);
Serial.println();
DHT2.read11(sen2);
Serial.print("Temperature in Celsius");
Serial.print(DHT2.temperature);
Serial.print(" Current humidity = ");
Serial.print(DHT2.humidity);
Serial.println();
DHT3.read11(sen3);
Serial.print("Temperature in Celsius");
Serial.print(DHT3.temperature);
Serial.print(" Current humidity = ");
Serial.print(DHT3.humidity);
Serial.println();
DHT4.read11(sen4);
Serial.print("Temperature in Celsius");
Serial.print(DHT4.temperature);
Serial.print(" Current humidity = ");
Serial.print(DHT4.humidity);
Serial.println();
delay(1000);
GSMmodule.println("AT");
delay(500);
GSMmodule.println("AT+CMGF=1");
delay(500);
GSMmodule.print("AT+CMGS=\"+XXxxxxxxxxxx\"\r");
GSMmodule.println('"');
delay(1000);
Serial.println();
digitalWrite(buzz, LOW);
if(DHT1.temperature > 70.0 || DHT1.humidity < 20.0 )
{
digitalWrite(buzz, HIGH);
BTmodule.print("Temperature in Celsius");
BTmodule.print(DHT1.temperature);
BTmodule.print(" Current humidity = ");
BTmodule.print(DHT1.humidity);
BTmodule.println();
Maps();
Fire();
BTmodule.println("Might be Fire in the grid One");
GSMmodule.println("Might be Fire in the grid One");
Serial.println("Might be Fire in the grid One");
callMe();
}
Serial.println();
if(DHT2.temperature > 70.0 || DHT2.humidity < 20.0 )
{
digitalWrite(buzz, HIGH);
BTmodule.print("Temperature in Celsius");
BTmodule.print(DHT2.temperature);
BTmodule.print(" Current humidity = ");
BTmodule.print(DHT2.humidity);
BTmodule.println();
Maps();
Fire();
BTmodule.println("Might be Fire in the grid two");
GSMmodule.println("Might be Fire in the grid two");
Serial.println("Might be Fire in the grid two");
callMe();
}
Serial.println();
if(DHT3.temperature > 70.0 || DHT3.humidity < 20.0 )
{
digitalWrite(buzz, HIGH);
BTmodule.print("Temperature in Celsius");
BTmodule.print(DHT3.temperature);
BTmodule.print(" Current humidity = ");
BTmodule.print(DHT3.humidity);
BTmodule.println();
Maps();
Fire();
BTmodule.println("Might be Fire in the grid three");
GSMmodule.println("Might be Fire in the grid three");
Serial.println("Might be Fire in the grid three");
callMe();
}
Serial.println();
if(DHT4.temperature > 70.0 || DHT4.humidity < 20.0 )
{
digitalWrite(buzz, HIGH);
BTmodule.print("Temperature in Celsius");
BTmodule.print(DHT4.temperature);
BTmodule.print(" Current humidity = ");
BTmodule.print(DHT4.humidity);
BTmodule.println();
Maps();
Fire();
BTmodule.println("Might be Fire in the grid four");
GSMmodule.println("Might be Fire in the grid four");
Serial.println("Might be Fire in the grid four");
callMe();
}
Serial.println();
digitalWrite(buzz, LOW);
}
void callMe()
{
Serial.println("Calling ");
GSMmodule.println("ATD+XXxxxxxxxxxx;");// number and semicolon is compulsory at the end of number
delay(1000);
Serial.println("Call ended");
}
void Fire()
{
Serial.println("FIRE ALERT !!!!!");
BTmodule.println("FIRE ALERT !!!!!");
GSMmodule.println("FIRE ALERT !!!!!");
}
void Maps()
{
BTmodule.println(latitude+";"+longitude);
GSMmodule.println(latitude+";"+longitude);
Serial.println(latitude+";"+longitude);
Serial.print("http://maps.google.com/maps?&z=15&mrt=yp&t=k&q=");
GSMmodule.print("http://maps.google.com/maps?&z=15&mrt=yp&t=k&q=");
BTmodule.print("http://maps.google.com/maps?&z=15&mrt=yp&t=k&q=");
}
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