# Ardusub on f405 based fcu **URL:** \ **Category:** QGroundControl\ **Created:** [May 21, 2022, 4:53am UTC](https://discuss.bluerobotics.com/t/ardusub-on-f405-based-fcu/12161 "2022-05-21T04:53:27Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![3dprintedrov](https://avatars.discourse-cdn.com/v4/letter/3/8e7dd6/32.png) [@3dprintedrov](https://discuss.bluerobotics.com/u/3dprintedrov)\ **Post date:** [May 21, 2022, 4:53am UTC](https://discuss.bluerobotics.com/t/ardusub-on-f405-based-fcu/12161/1 "2022-05-21T04:53:27Z")
I am looking into building a rov based on ardusub. Pixhawk fcu’s seem to be extremely hard to get and very expensive when you can find one, or with an extremely long wait for shipping from China. I have seen a few ardupilot and rover applications installed on the easily obtainable f405 fcu boards. Does anyone know if ardusub will work on these boards? Example: > **[Amazon.com: Aocoda-RC F405 V1.0 Flight Controller 30x30mm Stack Mounting 3-6S...](https://www.amazon.com/Aocoda-RC-F405-V1-0-Controller-Quadcopter/dp/B09TK7B94Q)** > > Amazon.com: Aocoda-RC F405 V1.0 Flight Controller 30x30mm Stack Mounting 3-6S Lipo OSD Barometer 16Mb Blackbox for FPV Quadcopter Drones : Toys & Games My plan is to have a raspberry pi linked onboard. Also, is there any other fcu options besides the pixhawk confirmed to work on ardusub? Thank you in advance! Eric ---
**Author:** ![EliotBR](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.bluerobotics.com/eliotbr/32/6937_2.png) [@EliotBR](https://discuss.bluerobotics.com/u/EliotBR)\ **Post date:** [May 23, 2022, 1:58am UTC](https://discuss.bluerobotics.com/t/ardusub-on-f405-based-fcu/12161/2 "2022-05-23T01:58:46Z")
Hi @3dprintedrov, welcome to the forum 🙂 > [@3dprintedrov](#): > > I have seen a few ardupilot and rover applications installed on the easily obtainable f405 fcu boards. Does anyone know if ardusub will work on these boards? That’s not a board type we’ve tested or actively support, but if it runs ArduPilot firmware then it’s at least possible it may be able to run ArduSub (although even if it runs it may not support all functionality). The [ArduPilot firmware builds](https://firmware.ardupilot.org) do seem to include F405 options, so it should at least be possible to flash on an ArduSub image without needing to build the firmware yourself. From there you’ll need to do tests to determine which features are available, and you may need to make custom firmware builds if code modifications are required to fix/enable non-functioning features that you want to use. > [@3dprintedrov](#): > > Also, is there any other fcu options besides the pixhawk confirmed to work on ardusub? The Pixhawk 4 works (mostly) [when running the development firmware](https://discuss.bluerobotics.com/t/problems-with-bar30-and-ardusub-on-pixhawk-4/10745/5), and [we’re about to release our own flight controller](https://discuss.bluerobotics.com/t/upcoming-revision-new-flight-controller/12032/2), but neither of those options is in the \<$100 range like the one you linked to. ---
**Author:** ![3dprintedrov](https://avatars.discourse-cdn.com/v4/letter/3/8e7dd6/32.png) [@3dprintedrov](https://discuss.bluerobotics.com/u/3dprintedrov)\ **Post date:** [May 25, 2022, 7:49pm UTC](https://discuss.bluerobotics.com/t/ardusub-on-f405-based-fcu/12161/3 "2022-05-25T19:49:04Z")
I was not so worried about a sub $100 price tag, as I am looking to have a project with my 2 boys. I read about the pi hat that is coming up… that is interesting! I currently have a pi 3b, pi 3b+, a bbb, and a few other types laying about. The pi4 and hat would be an exciting option, and tidy up the equipment bay. Any idea on when it may be released as this is the first I saw any information about it. I have several tech questions about it, but I am sure that info is not public yet! ---
**Author:** ![EliotBR](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.bluerobotics.com/eliotbr/32/6937_2.png) [@EliotBR](https://discuss.bluerobotics.com/u/EliotBR)\ **Post date:** [May 25, 2022, 9:33pm UTC](https://discuss.bluerobotics.com/t/ardusub-on-f405-based-fcu/12161/4 "2022-05-25T21:33:53Z")
2 posts were merged into an existing topic: [Upcoming revision, new flight controller](https://discuss.bluerobotics.com/t/upcoming-revision-new-flight-controller/12032/6)