A cost-effective GPS tracking solution built with Arduino UNO R3, SIM800L GSM module, and NEO-6M GPS module using the GeoLinker Lite library.
- Real-time GPS tracking with cloud integration
- Memory optimized for Arduino UNO R3's limited RAM
- Web dashboard for live location monitoring
- Historical data logging and CSV export
- Free cloud platform with no monthly fees
- Arduino UNO R3
- SIM800L GSM module
- NEO-6M GPS module
- Resistors (4.7kΩ, 10kΩ)
- Breadboard and jumper wires
- 2G SIM card
- Install Library: Search "GeoLinker Lite" in Arduino IDE Library Manager
- Wire Components: Follow the circuit diagram provided
- Configure Code: Set your APN, API key, and device ID
- Upload & Run: Power with external source recommended
Component | Arduino Pin | Notes |
---|---|---|
GPS TX | Pin 0 (RX) | Disconnect during upload |
SIM800L RX | Pin 8 | Via voltage divider |
SIM800L TX | Pin 9 | Direct connection |
Reset Control | Pin 2 | Automatic mode switching |
- Power: Use a power source with appropriate current capabilities for SIM800L
- SIM Card: Requires 2G network (Jio won't work - use Airtel, Vi, BSNL)
- Upload: Keep the GPS TX disconnected from Pin 0 while uploading the code.
- API Key: Get free API key from GeoLinker Cloud
For complete setup instructions, circuit diagrams, code explanation, and troubleshooting, see the full tutorial: Arduino GPS Tracker Tutorial
MIT License - see LICENSE file for details.