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GNSS_Sensor_Tracker

The GNSS Sensor Tracker is an open-source, sensor-rich, GNSS/GPS tracking board intended to provide a base design accelerator for custom Meadow-based GNSS tracking solutions.

Contents

Purchasing or Building

You can get a Gnss Sensor Tracker fully assembled from the Wilderness Labs store. It's also designed so that it can be assembled at home for the adventurous. All design files can be found in the Hardware Design folder.

Getting Started

To simplify the way to use this Meadow-powered reference IoT product, we've created a NuGet package that instantiates and encapsulates the onboard hardware into a GnssTracker class.

  1. Add the ProjectLab Nuget package your project:

  2. Instantiate the IGnssTrackerHardware object:

public class MeadowApp : App<F7CoreComputeV2>
{
    IGnssTrackerHardware gnssTracker;

    public override Task Initialize()
    {
        gnssTracker = GnssTracker.Create();
        ...
  1. To Access the GNSS Tracker onboard peripherals (Display, for example):
    if (gnssTracker.Display is { } display)
    {
        microGraphics = new MicroGraphics(display);
        microGraphics.Clear();
        microGraphics.DrawText(10, 10, "Hello World");
        microGraphics.Show();
    }

Hardware Specifications

3.7V LiPo Rechargeable Battery BMI270 Inertial Measurement Unit / Accelerometer
SCD40 CO2, Humidity and Temperature sensor Off/On Switch
SSD1680 122x250 Adafruit E-Paper Display USB-C, Boot, Reset Add-on Module
Meadow F7 Core-Compute Module (CCM) Solar Power/Battery Charging Add-on Module
6V Solar Input Connector BME688 Temp, Pressure and Humidity sensor
GNSS/GPS Antenna NEO-M8 GNSS/GPS

You can find the schematics and other design files in the Hardware folder.

Video Stream Design Series

This board was designed while streaming live, you can watch the videos here.

Industrial Enclosure Design

The enclosure was designed in Autodesk Fusion 360. The source file can be found and STL files can be found here.