Check out the Arduino Sketch in the code section to try it out. This is a simple GPS device for vehicle tracking. The Arduino code can be modified to connect to any web page or website. It is a low-cost and easy to implement IoT project.

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 //Program to

 #include 

#include 


SoftwareSerial Serial1(2,3); //make RX arduino line is pin 2, make TX arduino line is pin 3.

 SoftwareSerial gps(10,11);

 LiquidCrystal lcd(13,12,9,8,7,6);


 boolean No_IP=false;

 String IP="";

 String webpage="";

 int i=0,k=0;

 int gps_status=0;

 String place=" 1. Name: (ENTER UR NAME) ";

 String num = "
 2.Vehicle No: IND001
 ";

 String cordinat="
 Coordinates:
 ";

 String latitude="";

 String logitude="";

 String gpsString="";

 char *test="$GPGGA";

 
void setup

 {

 Serial1.begin(9600);

 Serial.begin(9600);

 lcd.begin(16,2);

 lcd.print("Vehicle Monitoring");

 lcd.setCursor(0,1);

 lcd.print(" System ");

 delay(2000);

 lcd.clear;

 lcd.print("Connecting....");

 delay(1000);

 connect_wifi("AT",1000);

 connect_wifi("AT+CWMODE=3",1000);

 connect_wifi("AT+CWQAP",1000);

 connect_wifi("AT+RST",5000);

 FindIP(5000);

 if(!No_IP)

 {

 Serial.println("Connecting Wifi....");

 connect_wifi("AT+CWJAP="(ENTER UR SSID NAME) ","(ENTER THE PASSWORD)"",7000);
 //AT+CWJAP=”wifi_username”, “wifi_password”

 }

 else

 {

 }

 Serial.println("Wifi Connected");

 lcd.clear;

 lcd.print("WIFI Connected");

 delay(2000);

 lcd.clear;

 lcd.setCursor(5,0);

 lcd.print("IP");

 lcd.setCursor(3,1);

 lcd.print("ADDRESS");

 ip_add;

 delay(2000);

 connect_wifi("AT+CIPMUX=1",100);

 connect_wifi("AT+CIPSERVER=1,80",100);

 Serial1.end;

 lcd.clear;

 lcd.print("GPS DATA");
 
delay(2000);

 gps.begin(9600);

 get_gps;

 coordinate_display;

 gps.end;

 Serial1.begin(9600);

 }


 void loop

 {

 k=0;

 Serial.println("Please Refresh Ur Page");

 while(k<1000)

 {

 k++;

 while(Serial1.available )

 {

 if(Serial1.find("0,CONNECT"))

 {

 Serial1.end;

 gps.begin(9600);

 get_gps;

 gps.end;

 Serial1.begin(9600);

 Serial1.flush;

 Serial.println("Start Printing");

 Send ;

 coordinate_display;

 Serial.println("Done Printing");

 delay(5000);

 lcd.clear;

 lcd.print("System Ready");

 delay(1000);

 k=1200;

 break;

 }

 }

 delay(1);

 }

 }


 void FindIP(int t1)

 {

 int t2=millis ;

 while(t2+t1>millis )

 {

 while(Serial1.available >0)

 {

 if(Serial1.find("WIFI GOT IP"))

 {

 No_IP=true;

 }

 }

 }

 }


 void ip_add

 {

 IP="";

 char ch=0;

 while(1)

 {

 Serial1.println("AT+CIFSR");

 while(Serial1.available >0)

 {

 if(Serial1.find("STAIP,""))

 {

 delay(1000);

 Serial.print("IP Address:");
 
while(Serial1.available >0)

 {

 ch=Serial1.read ;

 if(ch=='+')

 break;

 IP+=ch;

 }

 }

 if(ch=='+')

 break;

 }

 if(ch=='+')

 break;

 delay(1000);

 }

 lcd.clear;

 lcd.print(IP);

 lcd.setCursor(0,1);

 lcd.print("Port: 80");

 Serial.print(IP);

 Serial.print("Port:");

 Serial.println(80);

 delay(1000);

 }


 void connect_wifi(String cmd, int t)

 {

 int temp=0,i=0;

 while(1)

 {

 Serial.println(cmd);

 Serial1.println(cmd);

 while(Serial1.available >0)

 {

 if(Serial1.find("OK"))

 {

 i=8;

 }

 }

 delay

 if(i>5)

 break;

 i++;

 }

 if(i==8)

 {

 Serial.println("OK");

 }

 else

 {

 Serial.println("Error");

 }

 delay(1000);

 }


 void gps_Function

 {

 gpsString="";

 while(1)

 {

 while (gps.available >0) //Serial incoming data from GPS

 {

 char inChar = (char)gps.read;

 gpsString+= inChar; //store incoming data from GPS to temporary string str

 i++;
 
if (i < 7)

 {

 if(gpsString(i-1) != test(i-1)) //check for right string

 {

 i=0;

 gpsString="";

 }

 }

 if(inChar=='r')

 {

 if(i>65)

 {

 gps_status=1;

 break;

 }

 else

 {

 i=0;

 }

 }

 }

 if(gps_status)

 break;

 }

 }


 void get_gps

 {

 gps_status=0;

 int x=0;

 while(gps_status==0)

 {

 gps_Function;

 int str_lenth=i;

 latitude="";

 logitude="";

 coordinate2dec;

 i=0;x=0;

 str_lenth=0;

 }

 }


 void coordinate_display

 {

 lcd.clear;

 lcd.print("LATITUTE:");

 lcd.print(latitude);

 lcd.setCursor(0,1);

 lcd.print("LONGITUTE:");

 lcd.print(logitude);

 Serial.print("Latitude:");

 Serial.println(latitude);

 Serial.print("Longitude:");

 Serial.println(logitude);

 }


 void coordinate2dec

 {



 String lat_degree="";

 for(i=18;i<20;i++) //extract latitude from string

 lat_degree+=gpsString(i);



 String lat_minute="";

 for(i=20;i<28;i++)
 
lat_minute+=gpsString(i);



 String long_degree="";

 for(i=30;i<33;i++) //extract longitude from string

 long_degree+=gpsString(i);



 String long_minute="";

 for(i=33;i<41;i++)

 long_minute+=gpsString(i);



 float minut= lat_minut.toFloat;

 minute=minute/60;

 float degree=lat_degree.toFloat ;

 latitude=degree+minute;



 minute= long_minute.toFloat ;

 minute=minute/60;

 degree=long_degree.toFloat ;

 logitude=degree+minute;

 }


 void send

 {



 webpage = "
 Welcome to Engineers Garage
 ";

 webpage+=place;

 webpage+=num;

 webpage+=cordinat;

 webpage+="
 Latitude:";

 webpage+=latitude;

 webpage+="
 ";

 webpage+="
 Longitude:";

 webpage+=logitude;

 webpage+="
 ";

 webpage+= "Click Here for google map";

 webdata;

 webpage="";

 while(1)

 {

 Serial.println("AT+CYPCLOSE=0");

 Serial1.println("AT+CYPCLOSE=0");

 while(Serial1.available )

 {

 if(Serial1.find("0,CLOSE"))

 {
 
return;

 }

 }

 delay(500);

 i++;

 if(i>5)

 {

 i=0;

 }

 if(i==0)

 break;

 }

 }


 void webdata

 {

 i=0;

 while(1)

 {

 unsigned int l=webpage.length ;

 Serial1.print("AT+CIPSEND=0,");

 Serial1.println(l+2);

 Serial.println(l+2);

 Serial.println(webpage);

 Serial1.println(webpage);

 while(Serial1.available )

 {

 if(Serial1.find("OK"))

 {

 return;

 }

 }

 i++;

 if(i>5)

 i=0;

 if(i==0)

 break;

 delay(200);

 }

 }

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Circuit Diagram-IoT Based Vehicle Tracking Device-Arduino-ESP8266