Esp8266 Based GPS Location Tracker

Just Do Electronics December 25, 2021

Circuit Diagram :-

Code :-

 
//Prateek
//wwww.prateeks.in
//https://www.youtube.com/c/JustDoElectronics/videos

#include <SoftwareSerial.h>
#define BLYNK_PRINT Serial
#include <TinyGPS++.h>
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

const int RXPin = 4, TXPin = 5;
const uint32_t GPSBaud = 9600; 
SoftwareSerial gps_module(RXPin, TXPin);

TinyGPSPlus gps; 
WidgetMap myMap(V0); 

BlynkTimer timer;

float gps_speed;
float no_of_satellites;
String satellite_orientation;

char auth[] = "xxxxxxxxxxxxxxxxx";              
char ssid[] = "justdoelectronics";
char pass[] = "123456789";
     
unsigned int move_index = 1;      
  

void setup()
{
  Serial.begin(115200);
  Serial.println();
  gps_module.begin(GPSBaud);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(5000L, checkGPS); 
}

void checkGPS(){
  if (gps.charsProcessed() < 10)
  {
    Serial.println(F("No GPS detected: check wiring."));
      Blynk.virtualWrite(V4, "GPS ERROR");  
  }
}

void loop()
{
  while (gps_module.available() > 0) 
  {
    if (gps.encode(gps_module.read()))
    displayInfo();
  }
  
  Blynk.run();
  timer.run();
}

void displayInfo()
{
  if (gps.location.isValid()) 
  {
    float latitude = (gps.location.lat());
    float longitude = (gps.location.lng()); 
    
    Serial.print("LAT:  ");
    Serial.println(latitude, 6);  
    Serial.print("LONG: ");
    Serial.println(longitude, 6);
    
    Blynk.virtualWrite(V1, String(latitude, 6));   
    Blynk.virtualWrite(V2, String(longitude, 6));  
    myMap.location(move_index, latitude, longitude, "GPS_Location");
    gps_speed = gps.speed.kmph();
    Blynk.virtualWrite(V3, gps_speed);
    no_of_satellites = gps.satellites.value();
    Blynk.virtualWrite(V4, no_of_satellites);
    satellite_orientation = TinyGPSPlus::cardinal(gps.course.value());
    Blynk.virtualWrite(V5, satellite_orientation);
  }
  Serial.println();
}

Video :-

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