IOT Based Real time GPS Tracker Using Blynk App

CODE

#define BLYNK_PRINT Serial

#include <SoftwareSerial.h>

#include <TinyGPS++.h>

#include <ESP8266WiFi.h>

#include <BlynkSimpleEsp8266.h>

char auth[] = "YOUR BLYNK AUTH ID";

char ssid[] = "WI-FI NAME";

char pass[] = "WI-FI PASSWORD";

int GPSBaud = 9600;

float lat;

float lon;

TinyGPSPlus gps;

int RXPin = D2;

int TXPin = D3;

float startTime;

SoftwareSerial gpsSerial(RXPin, TXPin);

WidgetMap myMap(V1);

WidgetLCD lcd(V4);

BlynkTimer timer;

void yn()

{

 int index = 0;

float lat = (gps.location.lat());

float lon = (gps.location.lng());

myMap.location(index, lat, lon, "value"); 

lcd.print(1, 0, lat); // use: (position X: 0-15, position Y: 0-1, "Message you want to print")

lcd.print(1, 1, lon); 

}

void setup()

{

gpsSerial.begin(GPSBaud);

Serial.begin(9600);

Blynk.begin(auth, ssid, pass);

}

void loop()

{

if (millis() > startTime + 60000) {    

       startTime = millis();

}

while (gpsSerial.available() > 0)

 if (gps.encode(gpsSerial.read()))

 if (millis() > 5000 && gps.charsProcessed() < 10)

  {

    Serial.println("No GPS detected");

  while(true);

  }   

if (gps.location.isValid())

{

Serial.print(" lat: ");

Serial.print(gps.location.lat(),7); 

Serial.println();

// use: (position X: 0-15, position Y: 0-1, "Message you want to print")

Serial.print(" lng: ");

Serial.println(gps.location.lng(),7);

yn();

  }

  else

  {

Serial.print(F("INVALID"));

Serial.println();

}

Blynk.run();

timer.run();

}