Hello @Umut-John, The concept of estimating wind speed using a quadcopter is an interesting and complicated problem. We do not provide the software that implements this feature, but there are research papers you can read which discuss this topic. For example, I came across the following publication after a quick google search : https://journals.sagepub.com/doi/full/10.1177/17568293211070824 . I do not know how good this particular approach is (I did not read it in full detail), but this paper explains the key concepts involved in estimating the wind speed using a quadcopter, such as the need for accurate attitude estimation, characterization of air frame drag as function of tilt angle), and the authors propose a Kalman Filter approach which you can investigate. Hopefully this gives you a good start - please do some more research! Alex

@bensusana PX4 does not run on VOXL1, only on the Flight Core (Flight Deck is just a combination of the two). Flight Core should be able to support any I2C magnetometer that PX4 says it supports.

@hmlow Yes, there is a SPI port on J10

@kimmy sorry to hear you're missing the motor cap. To clarify, the cap you're referring to, is it the conical nut or the nyloc nut? One more thing, motor color? There's either a blue or black. There's a difference in the shaft diameter and length between the two. We've been attempting to source both nuts from the motor company but nothing has come to fruition. In the mean time it is possible to find M6 nylocs and conical nuts at amazon or any fpv/hobby shop. Just make sure they are aluminium. What we've ran into is that many are out-of-stock. Hope that helps!

solved. I found rotate_tracking option of voxl-configure-cameras command.

https://github.com/PX4/PX4-user_guide/blob/main/en/flight_modes/follow_me.md

I am not sure about that adsp.service error.. Hmm. Would need to actually look into what it's doing. but it seems like if you just (re)move the firmware, the GPIO works.

@hmlow It might be useful to open voxl-portal and have a look at what the tof is reading when you are seeing this phenomenon. If you would like something more in detail you could Would you be able to turn on Computer/Collision Avoidance under sdlog: SDLOG_PROFILE [image: 1679429073812-6694f651-226f-4b94-8a9f-b0558b76e87a-image.png] recreate the issue verify that PX4 is getting a detection that there is something infront of it through the logs. the message you are looking for is OBSTACLE_DISTANCE

Thank you so much.

@suvasis Unfortunately, motor testing using the QGC motors tab is not supported on VOXL2.

Thanks for the info! Just to confirm, I am asking about this post ModalAI made on LinkedIn - https://www.linkedin.com/posts/modal-ai_voxl-tof-pmd-activity-7010997849232474112-VV6a?utm_source=share&utm_medium=member_desktop This update is almost a year out? Thanks.

hi @suvasis #test voxl-esc tools cd /home/root/voxl-esc/tools ./voxl-esc-scan.py #perform ESC testing / calibration #... this was just a place holder for any testing you want to do with the voxl-esc tools. #when done, restore original libpx4.so cd /usr/lib/rfsa/adsp rm libpx4.so cp libpx4.so.bak libpx4.so systemctl enable voxl-px4 reboot This part restores the PX4 functionality, because in order to use voxl-esc tools on VOXL2, the instructions told you to disable PX4 while using voxl-esc tools. Soon we will not require disabling PX4 to use voxl-esc tools, but currently you have to do it. Please note that we just made some updated to the voxl-esc tools and directory structure has slightly changed. Also, you no longer have to download the binary tools package and add it to the voxl-esc/tools directory. Please see an example params file here : https://gitlab.com/voxl-public/voxl-sdk/utilities/voxl-esc/-/blob/dev/voxl-esc-params/old/esc_params_modalai_4_in_1_revb.xml

@tom It's probably normal afterall since the voxl-vision-hub service's config file contains a parameter "reset PX4 on error". I set it to "false" and now this behaviour disappeared.

I updated to the beta 1.5.3 image and this camera now works with it on its own. Thanks!