Grove - GPS Module
Grove - GPS Module
Grove - GPS Module
The Grove - GPS Module is a compact, ready-to-use Global Positioning System receiver that integrates seamlessly with microcontroller platforms via I2C/UART interface, delivering real-time location data with high positional accuracy. Professional engineers, IoT developers, and roboticists use this module to build location-aware applications, vehicle tracking systems, and autonomous navigation projects that require reliable GNSS positioning. It solves the critical challenge of obtaining precise geographical coordinates and timing information in embedded systems without requiring complex RF design expertise or external antenna calibration.
Product Overview
The Grove - GPS Module operates on the principle of trilateration, receiving signals from multiple satellites in the GNSS constellation (GPS, GLONASS, Galileo support) to calculate precise latitude, longitude, altitude, and velocity data. The module features an integrated high-sensitivity receiver with a ceramic patch antenna, capable of acquiring satellite locks in both urban canyon environments and open-sky conditions. Communication occurs through standard UART or I2C protocols, making it compatible with Arduino, Raspberry Pi, and other Grove-enabled development boards without requiring additional signal conditioning or voltage translation circuitry.
What distinguishes this module is its balance of accuracy, power efficiency, and ease of integration. The receiver delivers sub-meter horizontal accuracy under optimal conditions while maintaining low power consumption in active tracking mode. The integrated backup battery preserves ephemeris data, enabling rapid satellite reacquisition (hot start) within seconds rather than minutes. The compact Grove form factor eliminates breadboard clutter and soldering requirements, allowing developers to focus on application logic rather than hardware integration challenges.
Key Specifications
| Specification | Details |
| Product Type | GNSS GPS Receiver Module with Grove Interface |
| Brand | Seeed Studio |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| GNSS System Support | GPS, GLONASS, Galileo, BeiDou |
| Horizontal Accuracy | 2.5 meters (typical), sub-meter with DGPS |
| Time to First Fix | Cold start: 45 seconds, Hot start: 5 seconds |
| Communication Interface | UART (9600 baud default) and I2C compatible |
| Operating Voltage | 3.3V to 5V with onboard voltage regulation |
| Power Consumption | 45mA active tracking, 10mA standby mode |
Key Features
- Multi-constellation GNSS receiver supporting GPS, GLONASS, Galileo, and BeiDou for enhanced satellite visibility and faster positioning in challenging RF environments
- Integrated ceramic patch antenna with 25dB gain, eliminating the need for external antenna installation while maintaining performance in urban canyon scenarios
- Grove I2C/UART dual interface connector, enabling plug-and-play integration with Arduino, Raspberry Pi, and Seeed Studio platforms without soldering or breadboard wiring
- Backup battery with RTC functionality preserves satellite ephemeris data for rapid hot-start acquisition within 5 seconds, critical for time-sensitive applications
- Low power consumption architecture with selectable standby modes, ideal for battery-powered IoT devices requiring continuous location tracking over extended periods
- NMEA 0183 protocol output with standard sentence formats (GGA, RMC, GSA, GSV), ensuring compatibility with existing GPS parsing libraries and third-party software
Applications and Use Cases
- Vehicle GPS tracking and fleet management systems where real-time location monitoring with 2.5-meter accuracy enables route optimization, geofencing alerts, and theft prevention for commercial logistics operations
- Autonomous robotics and drone navigation projects requiring precise waypoint positioning, altitude measurement, and velocity vectors for autonomous flight control and path planning algorithms
- IoT environmental monitoring stations deployed across agricultural fields or remote research sites, where GPS timestamps synchronize sensor data collection with precise geographical coordinates for spatial analysis
- Wearable fitness and sports tracking applications capturing user location history, elevation gain, and speed metrics with low power consumption for extended battery life during outdoor activities
- Smart city infrastructure projects integrating location services into traffic management, emergency response systems, and public transportation networks requiring reliable GNSS positioning
How to Use
Begin by connecting the Grove - GPS Module to your microcontroller using the I2C or UART interface via the standard Grove connector. If using UART mode, configure your serial port at 9600 baud (default) and ensure proper voltage levels match your platform (3.3V or 5V). For I2C mode, the module defaults to address 0x10, requiring only SDA and SCL lines with pull-up resistors. Allow 45 seconds for cold start acquisition on first power-up as the receiver downloads satellite almanac data; subsequent hot starts will complete within 5 seconds using the backup battery's cached ephemeris.
Parse incoming NMEA sentences using established GPS libraries available for Arduino (TinyGPS++), Python (gpxpy, pynmea2), and other platforms. The module transmits standard NMSS 0183 sentences including GGA (position and time), RMC (recommended minimum), and GSA (satellite information) at 1Hz update rate by default. Implement error checking on NMEA checksums and validate satellite fix status (3D fix required for altitude data) before using coordinates in critical navigation logic. For applications requiring higher accuracy, integrate differential GPS (DGPS) corrections via RTCM protocol to achieve sub-meter positioning suitable for precision agriculture or surveying applications.
Frequently Asked Questions
What is the difference between cold start, warm start, and hot start acquisition times?
Cold start (45 seconds) occurs on first power-up when the module has no stored satellite data and must download the full almanac. Warm start (30 seconds) happens after power cycling when ephemeris data is partially valid. Hot start (5 seconds) uses cached ephemeris from the backup battery, providing fastest acquisition. For applications requiring immediate positioning, maintain continuous power or implement a super-capacitor backup circuit to preserve the RTC and ephemeris data during brief power interruptions.
Can this module work indoors or in urban canyon environments?
The Grove - GPS Module can acquire weak signals indoors near windows or in urban canyons due to its 25dB antenna gain and multi-constellation GNSS support (GPS, GLONASS, Galileo, BeiDou). However, positioning accuracy degrades significantly indoors (10-50 meters) compared to open-sky performance (2.5 meters). For reliable indoor positioning, consider integrating this module with WiFi triangulation or Bluetooth beacons as a hybrid positioning solution, or use it for outdoor waypoint navigation with fallback to inertial measurement when signals are unavailable.
How do I achieve sub-meter accuracy for precision agriculture or surveying applications?
Standard GPS provides 2.5-meter accuracy, but sub-meter positioning requires Differential GPS (DGPS) corrections. This module supports RTCM protocol input via UART, allowing integration with RTK (Real-Time Kinematic) correction services like Emlid Reach or commercial NTRIP casters. Alternatively, use post-processing techniques with high-grade receivers and correction data from permanent base stations. For agricultural applications, many regions offer free or low-cost DGPS correction services through government agencies, reducing implementation cost significantly.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
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- Returns: 7-day return policy on manufacturing defects only
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