GPS WIRELESS SENSOR INTERFACE USING ARDUINO - Project Center in Trichy IOT EEE Internship Final Year- Power Integrated

GPS WIRELESS SENSOR INTERFACE USING ARDUINO

📡 GPS Interface with Arduino – Short Note

Overview:

A GPS (Global Positioning System) module allows Arduino to receive real-time location data such as latitude, longitude, altitude, speed, and time. These modules typically communicate over serial using the NMEA protocol, and commonly used GPS modules include NEO-6M or u-blox.

🔧 Working Principle:

The GPS module communicates with satellites orbiting Earth.
It receives signals from at least 4 satellites to calculate an accurate location.
The data is sent to Arduino in the form of NMEA sentences (e.g., $GPGGA, $GPRMC).
Using a serial interface (hardware or SoftwareSerial), Arduino reads and decodes the GPS data.

🔌Connection:

GPS MODULE
POWER Adapter.
Arduino Board
Jumper Wires.

GPS Module Pin	Arduino UNO Pin
VCC	5V
GND	GND
TX	Digital Pin 0
RX	Digital Pin 1

💻 Libraries Used:

SoftwareSerial.h
TinyGPS++ (for parsing NMEA sentences easily)

🔌 Circuit Diagram:

📝 Sample Arduino Code:

#include <TinyGPS.h>
#include <SoftwareSerial.h>

TinyGPS gps;

void setup() {
Serial.begin(9600);
gpsSerial.begin(9600);

Serial.println(“TinyGPS Library Example”);
Serial.println(“Waiting for GPS data…”);
}

void loop() {
bool newData = false;
float latitude, longitude;
unsigned long age;

// Read data for 1 second
for (unsigned long start = millis(); millis() – start < 1000;) {
while (gpsSerial.available()) {
char c = gpsSerial.read();
if (gps.encode(c)) {
newData = true;
}
}
}

if (newData) {
gps.f_get_position(&latitude, &longitude, &age);

Serial.print(“Latitude: “);
Serial.println(latitude == TinyGPS::GPS_INVALID_F_ANGLE ? 0.0 : latitude, 6);

Serial.print(“Longitude: “);
Serial.println(longitude == TinyGPS::GPS_INVALID_F_ANGLE ? 0.0 : longitude, 6);

Serial.println(“————————–“);
}
}

✅ Key Fixes in the Code

SoftwareSerial Added:
- SoftwareSerial gpsSerial(0, 1); was added to interface with the GPS module (TX/RX pins).
- Your original code used Serial for both GPS and Serial Monitor, which would cause conflicts.
Proper Serial Initialization:
- gpsSerial.begin(9600); was added in setup() to initialize GPS communication.
Loop Logic Organized:
- Reading GPS data for 1 second is preserved using millis() but moved into a cleaner structure.
Corrected Position Extraction:
- gps.f_get_position() is used properly with null checks for invalid data.
Improved Serial Output:
- More readable output with clear labels like "Latitude:" and "Longitude:".
Removed Redundant/Incorrect Lines:
- Serial.println(failed); was not connected to any calculation and was removed.
- Nested braces {} and misplaced Serial.println("Hi") removed for clarity.

💡 Additional Suggestions

Use TinyGPS++ instead of TinyGPS for more features like speed, date, course, etc.
Add a check for age to validate how old the GPS data is.
Consider integrating with GSM, LCD, or cloud platforms like ThingSpeak for real-world applications.

✅ Applications:

Vehicle tracking
Navigation systems
Wildlife or asset monitoring
Weather balloon telemetry
Disaster rescue systems

📞 For More Details & Project Support:

📍 Location:
10A/3, Radhakrishnan Colony,
Sasthri Road, Tennur,
Tiruchirappalli, Tamil Nadu – 620017

📍 View on Google Maps

📧 Email:

contact@powerintegrated.in
powerintegratedsolutions@gmail.com

📱 Phone / WhatsApp:
+91 76393 85448
+91 82488 85959

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