# Latest **URL:** https://discuss.px4.io/latest.md [Latest](https://discuss.px4.io/latest.md) · [Categories](https://discuss.px4.io/categories.md) --- ## [PX4 Community Code of Conduct](https://discuss.px4.io/t/px4-community-code-of-conduct/13655)
**Author:** [@rroche](https://discuss.px4.io/u/rroche)\ **Replies:** 4\ **Last updated:** [June 21, 2023, 8:45pm UTC](https://discuss.px4.io/t/px4-community-code-of-conduct/13655 "2023-06-21T20:45:12Z")
Code of Conduct Community, with the growing traffic on our forums, I wanted to remind everyone of the Code of Conduct of the community. Please report any wrongdoing or offense to any admin on the forums or slack/discord… --- ## [Experts in QGroundControl Wanted](https://discuss.px4.io/t/experts-in-qgroundcontrol-wanted/49416)
**Author:** [@Antonio\_Hernandez](https://discuss.px4.io/u/Antonio_Hernandez)\ **Replies:** 1\ **Last updated:** [October 1, 2026, 8:12am UTC](https://discuss.px4.io/t/experts-in-qgroundcontrol-wanted/49416 "2026-10-01T08:12:39Z")
Hello, I’m Tony and I work at Snorkel AI. We’re looking to find experts / hobbyists who use QGroundControl to consult for a paid project. The rate is quite competitive. If you’re interested, please email me antonio.her… --- ## [Issue when creating plan in QGC 5.1.4 and Rover](https://discuss.px4.io/t/issue-when-creating-plan-in-qgc-5-1-4-and-rover/49564)
**Author:** [@Karl\_S](https://discuss.px4.io/u/Karl_S)\ **Replies:** 0\ **Last updated:** [October 1, 2026, 8:10am UTC](https://discuss.px4.io/t/issue-when-creating-plan-in-qgc-5-1-4-and-rover/49564 "2026-10-01T08:10:07Z")
QGC 5.1.4 ArduRover 4.7.1 Been building and flying drones for many years. In recent years also started using Rover. I have encountered an unusual issue linked to QGC: I have a default altitude set in QGC. But recentl… --- ## [Does anyone use QGC on Android?](https://discuss.px4.io/t/does-anyone-use-qgc-on-android/49491)
**Author:** [@j3kestrel](https://discuss.px4.io/u/j3kestrel)\ **Replies:** 3\ **Last updated:** [October 1, 2026, 7:55am UTC](https://discuss.px4.io/t/does-anyone-use-qgc-on-android/49491 "2026-10-01T07:55:34Z")
I’ll try a different question. Does anyone use QGC on an Android phone? A Google Pixel? I’m have trouble with what appears to be outgoing packets from QGC to the flight controller being blocked by the OS. I’m on a Pi… --- ## [Recommended indoor positioning for PX4 with minimal setup and calibration](https://discuss.px4.io/t/recommended-indoor-positioning-for-px4-with-minimal-setup-and-calibration/49547)
**Author:** [@Linearust](https://discuss.px4.io/u/Linearust)\ **Replies:** 3\ **Last updated:** [October 1, 2026, 6:36am UTC](https://discuss.px4.io/t/recommended-indoor-positioning-for-px4-with-minimal-setup-and-calibration/49547 "2026-10-01T06:36:22Z")
Hello, Which indoor positioning systems would you recommend for PX4-based flight-control development? I’m interested in reliable position control with straightforward setup and calibration. What has worked well in prac… --- ## [PX4 Dev Call: Sep 23, 2026 (Team sync, and Community Q&A)](https://discuss.px4.io/t/px4-dev-call-sep-23-2026-team-sync-and-community-q-a/49526)
**Author:** [@system](https://discuss.px4.io/u/system)\ **Replies:** 7\ **Last updated:** [September 30, 2026, 3:29pm UTC](https://discuss.px4.io/t/px4-dev-call-sep-23-2026-team-sync-and-community-q-a/49526 "2026-09-30T15:29:23Z")
PX4 Sync / Q&A - 2026-09-23T15:00:00Z (UTC) This week: 31 PRs merged | 177 awaiting review | 0 new bugs Announcements Events Dev Call Items None Release Updates: Was branched out (GitHub - PX4/PX4-Autopilot at re… --- ## [PX4 Dev Call: Sep 30, 2026 (Team sync, and Community Q&A)](https://discuss.px4.io/t/px4-dev-call-sep-30-2026-team-sync-and-community-q-a/49549)
**Author:** [@system](https://discuss.px4.io/u/system)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 12:24am UTC](https://discuss.px4.io/t/px4-dev-call-sep-30-2026-team-sync-and-community-q-a/49549 "2026-09-29T00:24:04Z")
PX4 Sync / Q&A - 2026-09-30T15:00:00Z (UTC) This week: 85 PRs merged | 162 awaiting review | 0 new bugs Announcements MAVSDK v4 Release Events Dev Call Items None Release Updates: Status: Test Flights … --- ## [Multi-vehicle PX4 + ROS 2 + Foxglove](https://discuss.px4.io/t/multi-vehicle-px4-ros-2-foxglove/49558)
**Author:** [@Aleksandr\_Kalmykov](https://discuss.px4.io/u/Aleksandr_Kalmykov)\ **Replies:** 2\ **Last updated:** [September 30, 2026, 3:08pm UTC](https://discuss.px4.io/t/multi-vehicle-px4-ros-2-foxglove/49558 "2026-09-30T15:08:30Z")
PX4 + ROS 2 + Foxglove multi-vehicle camera streaming I recently tested Foxglove as a live viewer for PteroSim camera streams over ROS 2. Demo: We flew four x500 quadcopters, each running its own PX4 inst… --- ## [Viacheslav (Slavkó): Looking for a contract / part-time opportunity, remote / on site](https://discuss.px4.io/t/viacheslav-slavko-looking-for-a-contract-part-time-opportunity-remote-on-site/49562)
**Author:** [@slavko\_pt](https://discuss.px4.io/u/slavko_pt)\ **Replies:** 0\ **Last updated:** [September 30, 2026, 3:03pm UTC](https://discuss.px4.io/t/viacheslav-slavko-looking-for-a-contract-part-time-opportunity-remote-on-site/49562 "2026-09-30T15:03:30Z")
Hi everyone, I’m Viacheslav (Slavkó), a software engineer and UAV systems developer based in Portugal. I’m looking for contract or part-time work, primarily remote, but I’m also open to travel and on-site integration/te… --- ## [\[Bug\] Mixing doesn't allocate right actuator commands](https://discuss.px4.io/t/bug-mixing-doesnt-allocate-right-actuator-commands/49514)
**Author:** [@Andre-hm](https://discuss.px4.io/u/Andre-hm)\ **Replies:** 2\ **Last updated:** [September 30, 2026, 12:54pm UTC](https://discuss.px4.io/t/bug-mixing-doesnt-allocate-right-actuator-commands/49514 "2026-09-30T12:54:36Z")
Hello everyone, These are my setup : Hardware Setup : Airframe : Standard VTOL Pixhawk 6X-RT Weight : 6.5 kg Wingspan : around 2m Forward motor connected to MAIN5 of pixhawk Firmware Setup : PX4 : firmware 1.17 (c… --- ## [Three things that cost me flights running offboard control with external vision on PX4 SITL (lockstep, uXRCE-DDS, Gazebo Harmonic)](https://discuss.px4.io/t/three-things-that-cost-me-flights-running-offboard-control-with-external-vision-on-px4-sitl-lockstep-uxrce-dds-gazebo-harmonic/49524)
**Author:** [@formiat](https://discuss.px4.io/u/formiat)\ **Replies:** 1\ **Last updated:** [September 30, 2026, 12:51pm UTC](https://discuss.px4.io/t/three-things-that-cost-me-flights-running-offboard-control-with-external-vision-on-px4-sitl-lockstep-uxrce-dds-gazebo-harmonic/49524 "2026-09-30T12:51:54Z")
Hello, I fly an autonomous navigation stack on PX4 SITL v1.17 in Gazebo Harmonic over uXRCE-DDS: ROS 2 Jazzy plans and publishes trajectory setpoints in offboard mode, and the vehicle’s position comes from my own esti… --- ## [Wrong Altitude during Flying below 5m](https://discuss.px4.io/t/wrong-altitude-during-flying-below-5m/49213)
**Author:** [@bermuda\_pilot](https://discuss.px4.io/u/bermuda_pilot)\ **Replies:** 6\ **Last updated:** [September 30, 2026, 12:47pm UTC](https://discuss.px4.io/t/wrong-altitude-during-flying-below-5m/49213 "2026-09-30T12:47:40Z")
Hi everyone, I observed an altitude estimation issue during a recent flight and wanted to know if this is expected or if I should investigate something specific. Setup: PX4: v1.15.0 QGroundControl: v4.4.4 GPS: Holybr… --- ## [Issue: Here3+ GPS is not establishing the geofence boundary when connected to the Cube Orange+ flight controller. Additionally, compass calibration is not completing successfully. Need support to identify and resolve the GPS/geofence and compass calibrati](https://discuss.px4.io/t/issue-here3-gps-is-not-establishing-the-geofence-boundary-when-connected-to-the-cube-orange-flight-controller-additionally-compass-calibration-is-not-completing-successfully-need-support-to-identify-and-resolve-the-gps-geofence-and-compass-calibrati/49559)
**Author:** [@thanos](https://discuss.px4.io/u/thanos)\ **Replies:** 1\ **Last updated:** [September 30, 2026, 12:44pm UTC](https://discuss.px4.io/t/issue-here3-gps-is-not-establishing-the-geofence-boundary-when-connected-to-the-cube-orange-flight-controller-additionally-compass-calibration-is-not-completing-successfully-need-support-to-identify-and-resolve-the-gps-geofence-and-compass-calibrati/49559 "2026-09-30T12:44:40Z")
Issue: Here3+ GPS connected pixhawk and is not establishing the geofence boundary when connected to the Cube Orange+ flight controller. Additionally, compass calibration is not completing successfully. Need support to i… --- ## [Hardware Selection for Autonomous Vehicles](https://discuss.px4.io/t/hardware-selection-for-autonomous-vehicles/49543)
**Author:** [@Rik\_Sam](https://discuss.px4.io/u/Rik_Sam)\ **Replies:** 6\ **Last updated:** [September 30, 2026, 12:42pm UTC](https://discuss.px4.io/t/hardware-selection-for-autonomous-vehicles/49543 "2026-09-30T12:42:52Z")
Hi everyone, I’d like to ask for some advice: I want to install a flight controller on this vehicle—what other parts do I need to buy? Do I need an ESC? If so, how do I connect the ESC to the motor? I’ve provided a vide… --- ## [Help on analyzing log: Possible ESC desync leading to motor failure](https://discuss.px4.io/t/help-on-analyzing-log-possible-esc-desync-leading-to-motor-failure/49473)
**Author:** [@enriqueRG](https://discuss.px4.io/u/enriqueRG)\ **Replies:** 4\ **Last updated:** [September 29, 2026, 1:15pm UTC](https://discuss.px4.io/t/help-on-analyzing-log-possible-esc-desync-leading-to-motor-failure/49473 "2026-09-29T13:15:46Z")
Hi all, Looking for some help interpreting a PX4 log from a crash and confirming a desync hypothesis. Setup: Mark2-7", Holybro Kakute H7 (PX4 v1.18.0), SpeedyBee BLS 60A 4-in-1 ESC, T-Motor 2207 2080KV, 5" tri-blade pr… --- ## [FAST LIVO2 EKF2 fusion lost after 1 minute](https://discuss.px4.io/t/fast-livo2-ekf2-fusion-lost-after-1-minute/49551)
**Author:** [@ddinocoe](https://discuss.px4.io/u/ddinocoe)\ **Replies:** 5\ **Last updated:** [September 29, 2026, 12:46pm UTC](https://discuss.px4.io/t/fast-livo2-ekf2-fusion-lost-after-1-minute/49551 "2026-09-29T12:46:43Z")
Hi all, I’m trying to achieve GNSS-denied flight using external vision with the following setup: External vision / odometry: FAST-LIVO2 LiDAR: Livox Mid-360 Camera: OAK-D W FCU: MicoAir743 V2 PX4 firmware… --- ## [Hiring 4 Postdocs in UAVs](https://discuss.px4.io/t/hiring-4-postdocs-in-uavs/49554)
**Author:** [@mwshafer](https://discuss.px4.io/u/mwshafer)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 11:19am UTC](https://discuss.px4.io/t/hiring-4-postdocs-in-uavs/49554 "2026-09-29T11:19:58Z")
NAU’s Radiant Center for Remote Sensing and the Sanghi College of Engineering are hiring four postdoctoral scholars at once. Different projects, same underlying question: how much can you learn about a place by flying ov… --- ## [Linking Python with the AVL program to calculate stability](https://discuss.px4.io/t/linking-python-with-the-avl-program-to-calculate-stability/49552)
**Author:** [@monderalbeshty](https://discuss.px4.io/u/monderalbeshty)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 12:20am UTC](https://discuss.px4.io/t/linking-python-with-the-avl-program-to-calculate-stability/49552 "2026-09-29T00:20:52Z")
Introduction Athena Vortex Lattice (AVL) is a low-order computational tool used for aerodynamic analysis and the evaluation of aircraft stability and control. The program applies the vortex lattice method to calculate li… --- ## [LinkTrack UWB on PX4: accuracy outside the anchor polygon and adding anchors](https://discuss.px4.io/t/linktrack-uwb-on-px4-accuracy-outside-the-anchor-polygon-and-adding-anchors/49548)
**Author:** [@Linearust](https://discuss.px4.io/u/Linearust)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 12:18am UTC](https://discuss.px4.io/t/linktrack-uwb-on-px4-accuracy-outside-the-anchor-polygon-and-adding-anchors/49548 "2026-09-29T00:18:53Z")
Hello, Following my general question about indoor positioning for PX4, I’d like to ask specifically about LinkTrack’s anchor layout and positioning accuracy. Setup and documented constraints We are evaluating Nooploop … --- ## [ULog crash analysis: how do you identify the first causal failure instead of the final failsafe?](https://discuss.px4.io/t/ulog-crash-analysis-how-do-you-identify-the-first-causal-failure-instead-of-the-final-failsafe/49534)
**Author:** [@yigitcan-ozturk](https://discuss.px4.io/u/yigitcan-ozturk)\ **Replies:** 8\ **Last updated:** [September 29, 2026, 12:16am UTC](https://discuss.px4.io/t/ulog-crash-analysis-how-do-you-identify-the-first-causal-failure-instead-of-the-final-failsafe/49534 "2026-09-29T00:16:00Z")
I’ve been looking at several PX4 incident logs recently, and one pattern keeps coming up: the most visible failsafe or termination event is often not the event that actually initiated the failure. For example, in one re… --- ## [Drone Grid open-source cloud system for operation of PX4 drones](https://discuss.px4.io/t/drone-grid-open-source-cloud-system-for-operation-of-px4-drones/49538)
**Author:** [@radodim](https://discuss.px4.io/u/radodim)\ **Replies:** 3\ **Last updated:** [September 29, 2026, 12:13am UTC](https://discuss.px4.io/t/drone-grid-open-source-cloud-system-for-operation-of-px4-drones/49538 "2026-09-29T00:13:58Z")
Hello, PX4 community! I’m reaching out for feedback on my open-source project, Drone Grid: a cloud platform for flying PX4 multirotor UAVs over the internet from a web browser, with live WebRTC video, telemetry and manu… --- ## [Developer Friendly FTDI](https://discuss.px4.io/t/developer-friendly-ftdi/8853)
**Author:** [@Bryan\_Monti](https://discuss.px4.io/u/Bryan_Monti)\ **Replies:** 20\ **Last updated:** [September 28, 2026, 1:00pm UTC](https://discuss.px4.io/t/developer-friendly-ftdi/8853 "2026-09-28T13:00:16Z")
When using Pixhawk hardware combined with a companion PC, it is typical to be using some form of an FTDI USB serial adapter to connect to the Pixhawks TELEM2 port. These generic FTDI USB adapters aren’t built with Pixhaw… --- ## [No Bidirectional DShot / EDT telemetry on PX4 (Works on Betaflight)](https://discuss.px4.io/t/no-bidirectional-dshot-edt-telemetry-on-px4-works-on-betaflight/49418)
**Author:** [@kmert](https://discuss.px4.io/u/kmert)\ **Replies:** 9\ **Last updated:** [September 27, 2026, 11:31pm UTC](https://discuss.px4.io/t/no-bidirectional-dshot-edt-telemetry-on-px4-works-on-betaflight/49418 "2026-09-27T23:31:03Z")
Hi everyone, I am having an issue receiving Extended DShot Telemetry PX4 with a GEPRC 80A ESC. Status Summary: BDShot eRPM on PX4: Working properly. Motor RPM is correctly updated in esc\_status. Betaflight: EDT w… --- ## [Pixhawk V6X Schematic Review](https://discuss.px4.io/t/pixhawk-v6x-schematic-review/40656)
**Author:** [@SCK\_Zone](https://discuss.px4.io/u/SCK_Zone)\ **Replies:** 9\ **Last updated:** [September 27, 2026, 7:14pm UTC](https://discuss.px4.io/t/pixhawk-v6x-schematic-review/40656 "2026-09-27T19:14:25Z")
HI, I am new to px4 hardware design. Based on Spec V6x, i have created the schematics for FMUM board and Base board. I am looking for moderators help to review the schematics. Can someone help reviewing the schematics?. … --- ## [Should We Perform Pre-Arm Safety Checks Before Sending the Arm Command?](https://discuss.px4.io/t/should-we-perform-pre-arm-safety-checks-before-sending-the-arm-command/49512)
**Author:** [@Dev\_Gandhi](https://discuss.px4.io/u/Dev_Gandhi)\ **Replies:** 7\ **Last updated:** [September 27, 2026, 5:42pm UTC](https://discuss.px4.io/t/should-we-perform-pre-arm-safety-checks-before-sending-the-arm-command/49512 "2026-09-27T17:42:22Z")
I’ve been working with the PX4 ROS 2 official offboard example : px4\_ros\_com/src/examples/offboard/offboard\_control.cpp at 86e9aeb20e55a4673fa8a9f1c29ea06a6c5ad1af · PX4/px4\_ros\_com · GitHub and noticed something I’d lik… --- ## [Lockstep implementation in Gazebo](https://discuss.px4.io/t/lockstep-implementation-in-gazebo/36142)
**Author:** [@Theotime\_Balaguer](https://discuss.px4.io/u/Theotime_Balaguer)\ **Replies:** 1\ **Last updated:** [September 25, 2026, 11:40am UTC](https://discuss.px4.io/t/lockstep-implementation-in-gazebo/36142 "2026-09-25T11:40:25Z")
Hello, I willingly ignored the absence of lockstep mechanism with the “new” Gazebo for a while but I am starting to realize how important it would be to my use-case (UAV fleet control with Gazebo Garden). Indeed when th… --- ## [Controlling Servos using pixhawk 2.4.8 through RC AUX](https://discuss.px4.io/t/controlling-servos-using-pixhawk-2-4-8-through-rc-aux/36644)
**Author:** [@Bharadwaj\_handzylect](https://discuss.px4.io/u/Bharadwaj_handzylect)\ **Replies:** 1\ **Last updated:** [September 25, 2026, 10:32am UTC](https://discuss.px4.io/t/controlling-servos-using-pixhawk-2-4-8-through-rc-aux/36644 "2026-09-25T10:32:47Z")
Hi. I have made a custom drone using pixhawk 2.4.8 and installed px4 version v1.14.0 through QGroundControl. I have a hexacopter with Emax Eco 2 motors and ReadyToSky ESC. My RC transmitter is FSi6X and receiver is FS-iA… --- ## [Firmware dev looking to build an autonomous farm surveillance drone, where do I start?](https://discuss.px4.io/t/firmware-dev-looking-to-build-an-autonomous-farm-surveillance-drone-where-do-i-start/49529)
**Author:** [@Cortella](https://discuss.px4.io/u/Cortella)\ **Replies:** 4\ **Last updated:** [September 25, 2026, 8:09am UTC](https://discuss.px4.io/t/firmware-dev-looking-to-build-an-autonomous-farm-surveillance-drone-where-do-i-start/49529 "2026-09-25T08:09:49Z")
Hi, I’m Nicolau, nice to meet you all! I’m new to this forum. I’m a Control and Automation Engineering student, and my career has always been focused on software and firmware development, but I have no experience with dr… --- ## [Pixhawk Quadrotor – Motors Spin but No Thrust During Takeoff](https://discuss.px4.io/t/pixhawk-quadrotor-motors-spin-but-no-thrust-during-takeoff/49532)
**Author:** [@Aritra\_Chattopadhyay](https://discuss.px4.io/u/Aritra_Chattopadhyay)\ **Replies:** 2\ **Last updated:** [September 23, 2026, 4:15pm UTC](https://discuss.px4.io/t/pixhawk-quadrotor-motors-spin-but-no-thrust-during-takeoff/49532 "2026-09-23T16:15:17Z")
Pixhawk Quadrotor – Motors Spin but No Thrust During Takeoff Hi everyone, I’m working on a DIY quadcopter using a Pixhawk 2.4.8 flight controller. I recently completed the setup and managed to get the motors spinning.… --- ## [Object tracking system](https://discuss.px4.io/t/object-tracking-system/22083)
**Author:** [@dark](https://discuss.px4.io/u/dark)\ **Replies:** 5\ **Last updated:** [September 21, 2026, 10:51am UTC](https://discuss.px4.io/t/object-tracking-system/22083 "2026-09-21T10:51:31Z")
Hello I am working on my university graduation project, which is as follows: I am building a plane with a px4, I also connected it to a jetson nano kit And I connected it to a camera with an object tracking system my… [Next page](https://discuss.px4.io/latest.md?page=1)