How to Build a 3-Axis Magnetometer / Gradiometer (Full DIY Tutorial)

In this video, we’ll show you exactly how to build your own 3-axis magnetometer and gradiometer using our ready-to-use DIY kit. This is the perfect solution for hobbyists, engineers, treasure hunters, and researchers who want a reliable magnetic sensor system without the hassle of sourcing and configuring parts.

🔧 Get the kit here:

Proffesional 3 - Axis Gradiometer Kit
https://www.fgsensors.com/product-pag...

✅ What’s in the video:
How our kit works
Step-by-step assembly guide
How to wire and connect the sensors
Data visualization
Real-world use cases (drone mapping, underground detection, geophysics)

📦 Our DIY Kit Includes:
FGA DataLogger Unit
GPS Antenna
USB C Data / Power Cable
DB9 connector for UART and Power
SD Card (32GB)
UB 100 MAG-649 | 3-Axis Magnetometer Sensor (Select 2 for gradiometer)
RJ45 Ethernet cable

📌 Why use our kit?
No guesswork: all tested components
Built for reliability and field use
Compatible with drones, rovers, and handheld setups

Ideal for magnetic mapping, treasure hunting, mineral prospecting, and more

🔗 Order now and start scanning:
👉 https://www.fgsensors.com/3axis

📡 Applications:
✔️ Magnetic field mapping
✔️ Ferromagnetic object detection
✔️ Cave and tunnel detection
✔️ Drone-based geophysical surveys

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