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Ardupilot Instructions

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Last updated 13 days ago

Firmware Setup

The IIS2MDC magnetometer driver was added in January 2025 and requires Ardupilot version 4.6 or newer.

Use the Ardupilot Custom Firmware Builder to compile firmware for your autopilot with the IIS2MDC driver. Select IIS2MDC Compasses under Compass for your board.

This PR can be backported into previous releases of Ardupilot.

https://github.com/ArduPilot/ardupilot/pull/28602

Configure SERIALX to GPS on the port the GPS is connected to. On the ARK FPV GPS port, this is set by default and is plug and play.

Ensure COMPASS_EXTERNAL is set to 1 to auto detect the magnetometer on I2C.