• SparkFun GNSS-RTK Dead Reckoning Breakout - ZED-F9K (Qwiic) - GPS-18719
  • SparkFun GNSS-RTK Dead Reckoning Breakout - ZED-F9K (Qwiic) - GPS-18719
  • SparkFun GNSS-RTK Dead Reckoning Breakout - ZED-F9K (Qwiic) - GPS-18719
  • SparkFun GNSS-RTK Dead Reckoning Breakout - ZED-F9K (Qwiic) - GPS-18719

SparkFun GNSS-RTK Dead Reckoning Breakout - ZED-F9K (Qwiic)

Item #: GPS-18719
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Price: $570.53 inc GST
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    The SparkFun ZED-F9K GNSS Breakout is a high precision, sensor fusion geospatial board with equally impressive configuration options and takes advantage of u-blox's Automotive Dead Reckoning (ADR) technology. The ZED-F9K module provides a highly accurate and continuous position by fusing a 3D IMU sensor, wheel ticks, a vehicle dynamics model, correction data, and GNSS measurements.

    The ZED-F9K module is a 184-channel u-blox F9 engine GNSS receiver, meaning it can receive signals from the GPS, GLONASS, Galileo, and BeiDou constellations with ~0.2 meter accuracy! That's right, such accuracy can be achieved with an RTK navigation solution when used with a correction source. Note that the ZED-F9K can only operate as a rover, so you will need to connect to a base station. The module supports concurrent reception of four GNSS systems. The combination of GNSS and integrated 3D sensor measurements on the ZED-F9K provide accurate, real-time positioning rates of up to 30Hz.

    Compared to other GPS modules, this breakout maximizes position accuracy in dense cities or covered areas. Even under poor signal conditions, continuous positioning is provided in urban environments and is also available during complete signal loss (e.g. short tunnels and parking garages). The ZED-F9K is the ultimate solution for autonomous robotic applications that require accurate positioning under challenging conditions.

    Additionally, this u-blox receiver supports I2C (u-blox calls this Display Data Channel) which makes it perfect for the Qwiic compatibility so we don't have to use up our precious UART ports. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard.

    The SparkFun ZED-F9K GPS Breakout is also equipped with an on-board rechargeable battery that provides power to the RTC on the ZED-F9K. This reduces the time-to-first fix from a cold start (~26s) to a hot start (~2s). The battery will maintain RTC and GNSS orbit data without being connected to power for plenty of time. The breakout board has five communications ports, four of which are all active simultaneously: USB-C (which enumerates as a COM port), UART1 (with 3.3V TTL), UART2 for RTCM reception (with 3.3V TTL), I2C (via the one Qwiic connnector or broken out pins), and SPI. One SMA connector is included for a secure connection to an antenna.

    U-blox based GPS products are configurable using the popular, but dense, Windows program called u-center. Plenty of different functions can be configured on the ZED-F9K: baud rates, update rates, geofencing, spoofing detection, external interrupts, SBAS/D-GPS, etc. All of this can be done within the SparkFun Arduino Library!

    This product requires an antenna: Be sure to check out the related products/hookup accessories and pick a suitable SMA antenna for your project.
    Note: The I2C address of the ZED-F9K is 0x42 and is software configurable. A multiplexer/Mux is required to communicate to multiple ZED-F9K modules on a single bus. If you need to use more than one ZED-F9K module, consider using the Qwiic Mux Breakout.

    The SparkFun Qwiic Connect System is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can’t hook it up wrong.


    Features:

    • 1x USB Type C Connector
    • 2x Qwiic Connectors
    • Integrated SMA connector for use with antenna of your choice
    • Concurrent reception of GPS, GLONASS, Galileo and BeiDou
    • 184-Channel GNSS Receiver
    • Receives both L1C/A and L2C bands
    • Horizontal Position Accuracy:
      • 0.20m with RTK
    • Max Navigation Rate: Up to 30Hz
    • Time to First Fix
      • Cold: 26s
      • Hot: 2s
    • Operational Limits
      • Max G: ≤4G
      • Max Altitude: 50km (49.7 miles)
      • Max Velocity: 500m/s (1118mph)
    • Velocity Accuracy: 0.5m/s
    • Heading Accuracy: 0.2 degrees
    • Built-In Accelerometer and Gyroscope
    • Time Pulse Accuracy: 30ns
    • Voltage: 5V or 3.3V but all logic is 3.3V
      • ZED-F9K Current Consumption: ~85mA to ~130mA (varies with constellations and tracking state)
    • 1mAh battery backup for RTC
    • Software Configurable
      • Geofencing
      • Odometer
      • Spoofing Detection
      • External Interrupt
      • Pin Control
      • Low Power Mode
      • Many others!
    • LEDs
      • Power
      • PPS
      • RTK
      • GEO
    • Jumpers
      • Power
      • PPS
      • RTK
      • GEO
    • Supports NMEA, UBX, and RTCM protocols over UART or I2C interfaces
    • Board Dimensions
      • 2.00" x 1.70" (50.8mm x 43.2mm)
      • 2.40" 1.70" (61.0mm x 43.2mm), with USB and SMA connector

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