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General Questions

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Not sure where your question goes? Ask here. ModalAI engineers and the community answer questions about any VOXL product.

  • Subscribe data from added sensor?

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    W
    Thank you. Also for the purchase delivery, how fast can a m500 order arrive to Illinois? 10days? Is express delivery available?
  • RC Module (MCCA-M0094-2) Datasheet

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    VinnyV
    We just made a new page for the M0094 product. Please check out the following link for a detailed description of the M0094 board and the pin tables for both RB5 Flight and Sentinel drone platforms. https://docs.modalai.com/sentinel-spektrum-bind-board/ Thanks!
  • Overriding in-use UART ports

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    modaltbM
    @Sem-Andeweg I haven't personally tried, but: J4 on Flight Core is by default a TELEM3 so should be OK to just use (3.3V TTL) https://docs.modalai.com/flight-core-datasheets-connectors/#j4---uart-esc-uart2telem3 J2 by default is the nuttx shell interface. I have always left this as I use it for debug.... but I believe you could remap it. There are some limitations on number of MAVLink instances in PX4, but both your use cases above sound like "not MAVLink", so it would be a matter of messing around with the source code a bit.
  • HITL FTDI Cable

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    Taylor PresleyT
    Thanks Eric!
  • Qualcomm Flight™ RB5 5G Platform Drone

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    Suvasis MS
    @tom to customize the payload to say 2-5kg, is it possible to customize or reconfigure another drone with voxl2 and 5g modem etc?
  • Is the camera driver source code public?

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    modaltbM
    Build time
  • Create Cloned Backup Image from VOXL?

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    Chad SweetC
    We do not currently have that tool
  • How to send the GPS data to the Drone

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    Chad SweetC
    You will have to study PX4 architecture and work through the code to create a new type of GPS input Did you go through the VIO troubleshooting steps? https://docs.modalai.com/flying-with-vio/#troubleshooting-vio
  • Can't Connect to QGC Microhard

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    Z
    nvm, solved it. Had to enable and run the service voxl-mavlink-server first, then do the same with the voxl-vision-px4 service. I'll leave this here for posterity
  • Mapping and planning using TOF sensor

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    ?
    Hi, While we so technically support mapping using stereo we almost always use the tof sensor ourselves since it's much more accurate at higher resolutions. The default for our voxl-mapper project uses the tof sensor for mapping with option to enable stereo if that's what you want to use. We generally just use stereo for collision prevention since it's pretty reliable at detecting if something is in front of it or not but can struggle to populate a detailed full-fov image in realtime.
  • Does VOXL2 support UAVCAN?

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    Patrick HincheyP
    Thanks Eric, I'll look into the legacy mode
  • Does VOXL series drone development board support makroBUS interface?

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    Suvasis MS
    Sorry it's mikrobus.
  • SSH Halloween theme

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    Patrick HincheyP
  • Camera auto-exposure configuration

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    No one has replied
  • Seeker drone "backtracking" when it stops to hover

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    H
    @Steve-Turner said in Seeker drone "backtracking" when it stops to hover: I don't work for Modal, so take this with a grain... MPC_POS_MODE controls some of this behavior. https://docs.px4.io/v1.12/en/advanced_config/parameter_reference.html has a description and you can try the other options to see how that influences the behavior. https://docs.px4.io/v1.9.0/en/config_mc/advanced_mc_position_tuning.html Should help with some of the tuning parameters that control position behavior. Additionally, the PID loop for position might need some tuning if you want it to stop more aggressively. Thanks for the suggestion but I'm quite certain it has nothing to do with MPC_POS_MODE nor the tuning of the velocity/position controller. The phenomenon I described only happens sometimes - especially when VIO quality is low for that stretch of journey just before the drone comes to a stop
  • full-flash.sh occur Last flash failed:Volume Full

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    tomT
    @yitakabe Can you post either a screenshot or copy/paste the error you're seeing?
  • Pi or Jetson companion computer installation and interfacing step-by-step

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    Chad SweetC
    OK. We don't have a documented way, but VOXL 2 is a Linux computer. So you could use some form of networking: ROS or other. There are also UARTs, etc
  • vslam map export and import

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    Steve TurnerS
    QVIO does not perform SLAM, only visual tracking to aid in stability by tracking the velocity vectors of key points through a camera. https://gitlab.com/voxl-public/voxl-sdk/services/voxl-mapper performs mapping and planning. Data can be imported and exported through VOXL Portal with "Load Map" / "Save Map"
  • wifi routing dies after 30s

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    Patrick HincheyP
    Interesting! I'll keep watching this thread for when you commit a proper fix in voxl-modem. For the meantime, my hack is working for me. Thanks!
  • cannot connect to Seeker using usb: adb devices not found

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    tomT
    @ahmed-mustahid Unfortunately the "QUSB_BULK" mode that your VOXL is enumerating in cannot be fixed by our unbricking process and will have to be sent in for an RMA. See here for info on the RMA process: https://www.modalai.com/pages/rma