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adrianos_botis
Published © GPL3+

GPS (Neo-6m) Portable Tracker with Micro SD Card Module

Portable GPS Data Logger with micro SD Card with the capability of a tracking system

IntermediateFull instructions provided14,674
GPS (Neo-6m) Portable Tracker with Micro SD Card Module

Things used in this project

Hardware components

Arduino Nano R3
Arduino Nano R3
×1
GPS Neo-6m Module
×1
Flash Memory Card, SD Card
Flash Memory Card, SD Card
×1
Micro SD Card Module (Generic)
×1
USB to TTL Board (Optional)
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Software apps and online services

TinyGPS++ Library
SD Card Formatter
Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)
Solder Wire, Lead Free
Solder Wire, Lead Free

Story

Read more

Schematics

Circuit Schematic

Circuit Schematic Picture

Code

GPS-SD Card Data Logger Code

Arduino
// GPS Data logged into an SD Card
// Written by Adrianos Botis e-mail:adrianosbotis@gmail.com
 //* SD card attached to SPI bus as follows:
 //** MOSI - pin 11
 //** MISO - pin 12
 //** CLK - pin 13
 //** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN)
 
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#include <SD.h>
#include<SPI.h>

// Choose two Arduino pins to use for softwarge serial
int RXPin = 2;
int TXPin = 3;
const int chipSelect = 4;
int GPSBaud = 9600;

TinyGPSPlus gps;

SoftwareSerial gpsSerial(RXPin, TXPin);

void setup()
{
  // Start the software serial port at the GPS's default baud
  gpsSerial.begin(GPSBaud);
  // Open serial communications and wait for port to open:
  Serial.begin(9600);
  Serial.print("Initializing SD card...");

  if (!SD.begin(4)) {
    Serial.println("initialization failed!");
    while (1);
  }
  Serial.println("initialization done.");
}
void loop()
{
  String dataString = "";
  String dataString2 = "";
  String dataString3 = "";
  String dataString4 = "";
  // This sketch displays information every time a new sentence is correctly encoded.
  while (gpsSerial.available() > 0)
    if (gps.encode(gpsSerial.read()))
      displayInfo();
      
 if (gps.location.isValid())
  {    
    dataString = String(gps.altitude.meters(), 3);
    dataString2 = String(gps.location.lat(), 6);
    dataString3 = String(gps.location.lng(), 6); 
    
  File dataFile = SD.open("GpsDat.txt", FILE_WRITE);

  // if the file is available, write to it:
  if (dataFile) {
    dataFile.print("Altitude: ");
    dataFile.println(dataString);
    dataFile.print("Longtitude: ");
    dataFile.println(dataString2);
    dataFile.print("Latitude: ");
    dataFile.print(dataString3);
    dataFile.print("Time: ");
    if (gps.time.hour() < 10) dataFile.print(F("0"));
    dataFile.print(gps.time.hour());
    dataFile.print(":");
    if (gps.time.minute() < 10) dataFile.print(F("0"));
    dataFile.print(gps.time.minute());
    dataFile.print(":");
    if (gps.time.second() < 10) dataFile.print(F("0"));
    dataFile.print(gps.time.second());
    dataFile.print(".");
    if (gps.time.centisecond() < 10) dataFile.print(F("0"));
    dataFile.println(gps.time.centisecond());
    dataFile.println();
    dataFile.close(); 
    
  }
  else
  {
    Serial.println("Failed to open file"); 
    Serial.println();
  }
  }
  else
  {
    Serial.println("Location: Not Available");
  }
  // open the file. note that only one file can be open at a time,
  // so you have to close this one before opening another.
      
      // If 5000 milliseconds pass and there are no characters coming in
  // over the software serial port, show a "No GPS detected" error
  if (millis() > 50000 && gps.charsProcessed() < 10)
  {
    Serial.println("No GPS detected");
    while(true);
  }
 }
 
void displayInfo()
{
  if (gps.location.isValid())
  {
    Serial.print("Latitude: ");
    Serial.println(gps.location.lat(), 6);
    Serial.print("Longitude: ");
    Serial.println(gps.location.lng(), 6);
    Serial.print("Altitude: ");
    Serial.println(gps.altitude.meters());
    Serial.print("Number of Satellites: ");
    Serial.println(gps.satellites.value(), 6);
  }
  else
  {
    Serial.println("Location: Not Available");
  }
  
  Serial.print("Date: ");
  if (gps.date.isValid())
  {
    Serial.print(gps.date.month());
    Serial.print("/");
    Serial.print(gps.date.day());
    Serial.print("/");
    Serial.println(gps.date.year());
    Serial.println();
    Serial.print("Number of Satellites: ");
    Serial.println(gps.satellites.value(), 6);
  }
  else
  {
    Serial.println("Not Available");
  }

  Serial.print("Time: ");
  if (gps.time.isValid())
  {
    if (gps.time.hour() < 10) Serial.print(F("0"));
    Serial.print(gps.time.hour());
    Serial.print(":");
    if (gps.time.minute() < 10) Serial.print(F("0"));
    Serial.print(gps.time.minute());
    Serial.print(":");
    if (gps.time.second() < 10) Serial.print(F("0"));
    Serial.print(gps.time.second());
    Serial.print(".");
    if (gps.time.centisecond() < 10) Serial.print(F("0"));
    Serial.println(gps.time.centisecond());
  }
  else
  {
    Serial.println("Not Available");
  }

  Serial.println();
  Serial.println();
  delay(500);
}

Github GPS-SD Card Code

Credits

adrianos_botis
3 projects • 7 followers

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