SKU: DRFC-0747
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SparkFun GPS-16329 NEO-M8U Dead Reckoning GPS Breakout

₹11,159.00 (Inclusive of all taxes)
Out of Stock

The SparkFun NEO-M8U GPS Dead Reckoning Breakout integrates UDR technology with GNSS and an onboard IMU for precise navigation in challenging environments, ensuring reliable positioning even with signal loss. Featuring a Qwiic-compatible I2C interface, this module is ideal for applications requiring continuous, accurate location data for drones and autonomous systems.

Features

  • u-blox NEO-M8U 72-channel GNSS receiver for multi-constellation support (GPS, GLONASS, Galileo, BeiDou).
  • Sensor fusion with integrated IMU (accelerometer/gyroscope) for Dead Reckoning (UDR).
  • Maintains navigation accuracy during GPS signal outages in urban or covered areas.
  • Qwiic-compatible I2C and UART interfaces for versatile integration with microcontrollers.
  • Up to 30Hz update rate and 2.5m position accuracy for dynamic applications.

Out of stock

Description

The SparkFun NEO-M8U GPS Dead Reckoning Breakout is engineered for critical navigation applications where consistent positioning is paramount, even in environments notoriously difficult for traditional GNSS receivers. By combining a 72-channel u-blox NEO-M8U GNSS receiver with an onboard accelerometer and gyroscope, this module leverages Dead Reckoning (UDR) technology to fuse sensor data, ensuring uninterrupted navigation during short periods of GNSS signal loss such as tunnels, parking garages, or dense urban canyons.

This advanced module supports concurrent reception from multiple GNSS constellations, including GPS, GLONASS, Galileo, and BeiDou, enhancing global coverage and accuracy. It offers versatile communication via UART or I2C, supporting NMEA, UBX, and RTCM protocols for broad compatibility with various platforms. Features such as an onboard rechargeable battery aid in faster hot starts by preserving RTC and satellite orbit data, while integrated capabilities like geofencing, odometer functions, and spoofing detection add to its robust feature set.

Designed for easy integration, the Qwiic-compatible I2C interface simplifies connectivity for rapid prototyping and deployment. With a maximum update rate of 30Hz and 2.5m position accuracy, the SparkFun NEO-M8U is an ideal solution for FPV drones, autonomous UAVs, robotics, and other applications demanding resilient and precise navigation capabilities under diverse environmental conditions.

Key Features

  • 72-channel u-blox NEO-M8U GNSS receiver for multi-constellation support.
  • Supports GPS, GLONASS, Galileo, and BeiDou satellite systems.
  • Built-in accelerometer and gyroscope for precise dead reckoning (UDR) calculations.
  • Up to 30Hz positioning update rate for dynamic applications.
  • Qwiic-compatible I2C interface for simple, solderless connectivity.
  • Onboard rechargeable battery for preserving RTC and satellite orbit data, enabling faster hot starts.
  • U.FL connector for connecting an external GNSS antenna.
  • Supports advanced features including geofencing, odometer functionality, and spoofing detection.
  • NMEA, UBX, and RTCM protocol support for broad compatibility.
  • 3.3V power and I/O operation for standard microcontroller integration.

Applications

  • FPV freestyle and racing drones requiring robust, continuous positioning.
  • Autonomous UAVs for mapping, inspection, and delivery in urban canyons.
  • Robotics and ground vehicles needing indoor/outdoor seamless navigation.
  • Industrial drones operating in environments with intermittent GNSS signal availability.
  • Long-range inspection drones benefiting from enhanced accuracy.

Technical Specifications

Product TypeGPS Dead Reckoning Breakout Board
BrandSparkFun
ModelGPS-16329
GNSS Moduleu-blox NEO-M8U
GNSS Channels72
Supported GNSSGPS, GLONASS, Galileo, BeiDou
Position Accuracy2.5m
Maximum Update Rate30Hz
Velocity Accuracy0.5m/s
Heading Accuracy1°
Maximum Altitude50,000m
Maximum Velocity500m/s
Maximum G≤4G
Communication InterfaceI2C, UART
ProtocolsNMEA, UBX, RTCM
ConnectivityQwiic
Antenna ConnectorU.FL
SensorsAccelerometer and Gyroscope
Operating Voltage3.3V DC
Current ConsumptionApproximately 29mA
Dimensions40 x 33 x 5 mm
Weight3g

Frequently Asked Questions

What is Dead Reckoning (DR) and how does the NEO-M8U implement it?

Dead Reckoning (DR) combines GNSS data with IMU (accelerometer and gyroscope) measurements to estimate position during signal outages. The NEO-M8U utilizes u-blox's UDR technology, allowing it to maintain accurate navigation in tunnels, parking garages, or urban canyons where GNSS signals are intermittently blocked. This fusion ensures continuous, robust positioning for demanding drone applications.

Which GNSS constellations does the SparkFun NEO-M8U support, and what are its communication protocols?

The SparkFun NEO-M8U supports multiple GNSS constellations including GPS, GLONASS, Galileo, and BeiDou, offering broad satellite coverage. For communication, it utilizes both UART and I2C interfaces, making it compatible with various microcontrollers. It supports standard NMEA and u-blox UBX protocols, along with RTCM for specific correctional data.

What are the power requirements and key connectivity features of this breakout board?

This breakout board operates at a 3.3V DC supply voltage, consuming approximately 29mA. It features a Qwiic-compatible I2C connector, enabling solderless integration into many projects, simplifying wiring. Additionally, it includes a U.FL connector for attaching an external GNSS antenna, crucial for optimal signal reception and performance in drone applications.

Can this module be used for autonomous UAV flight controllers like ArduPilot or PX4?

Yes, the SparkFun NEO-M8U is well-suited for autonomous UAV flight controllers such as ArduPilot and PX4. Its Dead Reckoning capabilities provide enhanced reliability in environments with poor GPS reception, crucial for mission-critical operations. Integration typically involves connecting via UART or I2C and configuring the flight controller to process NMEA or UBX messages for position and velocity.

Package Includes

  • 1 x SparkFun GPS-16329 GPS Dead Reckoning Breakout

Additional Information

Dimensions 4 × 3.3 × 0.5 cm