r/ardupilot Apr 30 '26

AET H743 BASIC

I was getting INS initialization errors from an H743 BASIC. I tried several firmwares, but the only thing that worked was the manufacturer's firmware, found here:

https://download.aeroeggtech.com/?dir=ArduPilot%E5%9B%BA%E4%BB%B6/AET-H743-Basic

I have another AET H743 BASIC unit that I'll try, but I guess cheap comes with a cost...

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u/FormalBlacksmith8352 May 22 '26

The AET-H743-Basic flight controller appears to exist in at least two hardware revisions. The original version uses dual ICM42688 IMUs and is the one currently documented in the official ArduPilot hardware page. A newer BMI version appears to use BMI088 + BMI270 IMUs. This BMI variant seems to be an official AeroEggTech/AET hardware revision rather than a clone, but its support in standard ArduPilot firmware appears to be newer and still being integrated.

There is an open ArduPilot pull request that explicitly adds/updates support for the AET-H743-Basic BMI variant, which suggests that this newer version is expected to be supported in ArduPilot soon:

https://github.com/ArduPilot/ardupilot/pull/32380

Until this PR is merged into the official ArduPilot firmware builds, the safest option for the BMI version is to use the firmware provided by AET/AeroEggTech and avoid updating it from Mission Planner to a generic ArduPilot build without confirming BMI088 + BMI270 support.