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Firmware Updates

Keeping your firmware up to date ensures your FG Sensors device runs the latest improvements, bug fixes, and feature additions.

Firmware updates are distributed as precompiled binary files (.bin) and are flashed to the device using the ESP32 Flash Download Tool via USB.

Available Firmware Updates​

  • FGA Logger — firmware for the FGA Logger magnetometer data logger (v1.0.1 – v1.0.6)
  • DIY Gradiometer Kit — firmware for the MAG-BOARD used in the DIY Gradiometer Kit (v1.3)

General Instructions​

  1. Download the firmware .bin file for your device
  2. Connect the device to your PC via USB
  3. Open the ESP32 Flash Download Tool
  4. Select ESP32, load the .bin file, and set the flash address to 0x10000
  5. Select the correct COM port, set baud rate to 921600, and click START
tip

Always back up any data stored on your device before performing a firmware update.