Ertugrul Sarikaya's 3D-Printable Magnetron Geoscanner Peers Beneath the Surface via Magnetic Flux
Maker Ertugrul Sarikaya has designed a handheld tool which aids in the mapping of magnetic fields — using an Espressif ESP32 microcontroller to turn readings into a heatmap on-device: the Magnetron Geoscanner Basic.
"I designed and built a fully portable magnetic field mapping device called the Magnetron Geoscanner Basic," Sarikaya explains. "The system is designed for experimental magnetic field scanning, magnetic anomaly visualization, DIY research, educational projects, and field mapping applications. Unlike conventional metal detectors, this device does not directly identify specific metals or guarantee underground object detection. Instead, it measures small variations and disturbances in the surrounding magnetic field and visualizes them as a real-time color heatmap."
The handheld device is based on a pair of fluxgate magnetometer sensors, linked to an Arduino Nano R3 microcontroller that handles the scanning side of the project. Data gathered by these are transferred to a more powerful Espressif ESP32-based 4.3" touchscreen smart...
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