GPRS Based GPS Tracker Using Blynk With Calling & SMS features

 

Circuit Diagram :-

Code :-

//Prateek //www.prateeks.in #define MODEM_RST 5 #define MODEM_PWKEY 4 #define MODEM_POWER_ON 23 #define MODEM_TX 27 #define MODEM_RX 26 #define I2C_SDA 21 #define I2C_SCL 22 #include <TinyGPS++.h> //https://github.com/mikalhart/TinyGPSPlus #include <AceButton.h> // https://github.com/bxparks/AceButton #define BLYNK_PRINT Serial #define BLYNK_HEARTBEAT 30 #define TINY_GSM_MODEM_SIM800 #include <TinyGsmClient.h> // https://github.com/vshymanskyy/TinyGSM #include <BlynkSimpleSIM800.h> //https://github.com/blynkkk/blynk-library #include <Wire.h> // #include <TinyGsmClient.h> #include "utilities.h" using namespace ace_button; //Buttons #define SMS_Button 34 #define Call_Button 35 // Emergency Number and Message String message = "It's an Emergency. I'm at this location "; String mobile_number = "+918830584864"; String message_with_data; // Variables for storing GPS Data float latitude; float longitude; float speed; float satellites; String direction; // Switch ButtonConfig config1; AceButton call_button(&config1); ButtonConfig config2; AceButton sms_button(&config2); void handleEvent_call(AceButton*, uint8_t, uint8_t); void handleEvent_sms(AceButton*, uint8_t, uint8_t); // Set serial for GPS Module #define SerialMon Serial // Hardware Serial for builtin GSM Module #define SerialAT Serial1 const char apn[] = "www"; const char user[] = ""; const char pass[] = ""; // You should get Auth Token in the Blynk App. // Go to the Project Settings (nut icon). const char auth[] = "YOUR_AUTH_TOKEN"; //static const int RXPin = 4, TXPin = 5; static const uint32_t GPSBaud = 9600; TinyGPSPlus gps; WidgetMap myMap(V0); //SoftwareSerial ss(RXPin, TXPin); BlynkTimer timer; TinyGsm modem(SerialAT); unsigned int move_index = 1; void setup() { // Set console baud rate Serial.begin(9600); delay(10); // Keep power when running from battery Wire.begin(I2C_SDA, I2C_SCL); bool isOk = setPowerBoostKeepOn(1); SerialMon.println(String("IP5306 KeepOn ") + (isOk ? "OK" : "FAIL")); // Set-up modem reset, enable, power pins pinMode(MODEM_PWKEY, OUTPUT); pinMode(MODEM_RST, OUTPUT); pinMode(MODEM_POWER_ON, OUTPUT); pinMode(SMS_Button, INPUT); pinMode(Call_Button, INPUT); digitalWrite(MODEM_PWKEY, LOW); digitalWrite(MODEM_RST, HIGH); digitalWrite(MODEM_POWER_ON, HIGH); // Set GSM module baud rate and UART pins SerialAT.begin(115200, SERIAL_8N1, MODEM_RX, MODEM_TX); delay(3000); // Restart takes quite some time // To skip it, call init() instead of restart() SerialMon.println("Initializing modem..."); modem.restart(); String modemInfo = modem.getModemInfo(); SerialMon.print("Modem: "); SerialMon.println(modemInfo); // Unlock your SIM card with a PIN //modem.simUnlock("1234"); SerialMon.print("Waiting for network..."); if (!modem.waitForNetwork(240000L)) { SerialMon.println(" fail"); delay(10000); return; } SerialMon.println(" OK"); if (modem.isNetworkConnected()) { SerialMon.println("Network connected"); } SerialMon.print(F("Connecting to APN: ")); SerialMon.print(apn); if (!modem.gprsConnect(apn, user, pass)) { SerialMon.println(" fail"); delay(10000); return; } SerialMon.println(" OK"); // ss.begin(GPSBaud); Blynk.begin(auth, modem, apn, user, pass); timer.setInterval(5000L, checkGPS); config1.setEventHandler(handleEvent_call); config2.setEventHandler(handleEvent_sms); call_button.init(Call_Button); sms_button.init(SMS_Button); } void checkGPS() { if (gps.charsProcessed() < 10) { //Serial.println(F("No GPS detected: check wiring.")); Blynk.virtualWrite(V4, "GPS ERROR"); } } void loop() { while (Serial.available() > 0) { if (gps.encode(Serial.read())) displayInfo(); } Blynk.run(); timer.run(); sms_button.check(); call_button.check(); } void displayInfo() { if (gps.location.isValid() ) { latitude = (gps.location.lat()); //Storing the Lat. and Lon. longitude = (gps.location.lng()); //Serial.print("LAT: "); //Serial.println(latitude, 6); // float to x decimal places //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"); speed = gps.speed.kmph(); //get speed Blynk.virtualWrite(V3, speed); direction = TinyGPSPlus::cardinal(gps.course.value()); // get the direction Blynk.virtualWrite(V4, direction); satellites = gps.satellites.value(); //get number of satellites Blynk.virtualWrite(V5, satellites); } //Serial.println(); } void handleEvent_sms(AceButton* /* button */, uint8_t eventType, uint8_t /* buttonState */) { switch (eventType) { case AceButton::kEventPressed: // Serial.println("kEventPressed"); message_with_data = message + "Latitude = " + (String)latitude + "Longitude = " + (String)longitude; modem.sendSMS(mobile_number, message_with_data); message_with_data = ""; break; case AceButton::kEventReleased: //Serial.println("kEventReleased"); break; } } void handleEvent_call(AceButton* /* button */, uint8_t eventType, uint8_t /* buttonState */) { switch (eventType) { case AceButton::kEventPressed: // Serial.println("kEventPressed"); modem.callNumber(mobile_number); break; case AceButton::kEventReleased: //Serial.println("kEventReleased"); break; } }


Video :-