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VOXL m500 Reference Drone

57
Topics

270
Posts

Hi team, I got a weird issue. The drone was stuck at pre-arm check, and couldn’t be able to arm again. Before this, I have no issue with the pre-arm check. Actually, I tried to modify a couple of parameters that are related to flight speed and SDlog profile. Then, the pre-arm check seems to be failed. I tried to reset the parameters to default, but the pre-arm check still failed. I uploaded 3 logs to the px4 view showing from boot to shutdown, but I couldn’t figure it out what happened. So, can you please help me to double-check if anything is wrong? GPS enabled: https://review.px4.io/plot_app?log=9b04b3c9-3a7b-4720-b806-3ac3b152f32a VIO enabled: https://review.px4.io/plot_app?log=5426a714-c588-4f0a-9122-b510f12a06b6 GPS enabled and trying to take-off: https://review.px4.io/plot_app?log=da3bea81-5f2b-47b1-aa74-c198acb54a08 I am using 1.11.3-0.2.3 and QGC 4.1.4 on MacBook pro 2021.
VOXL-CAM

Discussion regarding VOXL-CAM

22
Topics

133
Posts

Hi, We're in the final testing stages of a new system image with a few tweaks to support our new packages. Most of these (including mpa-tools) will work fine on one of the older systems, to install on an older system just add the line arch arm64 7 to /etc/opkg/arch.conf and the deploy script will work.
VOXL Flight Deck

31
Topics

136
Posts

Can you please log and share some data using voxl-logger? The command to log stereo and disparity is: voxl-logger --cam stereo --cam dfs_disparity That would help diagnose the issue
VOXL Flight

44
Topics

173
Posts

When I set COM_OBS_AVOID to 1, the drone will immediately go into Not Ready mode. After doing some looking, I think it's because GPS shows as ERROR. I am not quite sure why the GPS has an error, but it's been like this for a couple of days, even before I tried to setup obstacle avoidance. The logs show a 'No known GPS device found' error which could be substantial: The GPS model is MATEKSYS M8Q-5883 GPS Module, and the light on it is solid red. Apparently a flashing blue light means it is 3D fixed, but I'm not sure if that means anything. I am not sure if this is a hardware issue or if there is something specific I need to do to setup the GPS so that it is not in error state. When I bring the drone outside, it does show that it gets GPS connection, even though GPS is in error state. Any suggestions?
VOXL

62
Topics

310
Posts

@Chad-Sweet That is what I was thinking. I'll check in with the boss and see what he wants to do. Thanks!
Flight Core

19
Topics

88
Posts

@Zeev-Mindali Checkout your options here: https://www.modalai.com/pages/rma
Microhard Modems

6
Topics

70
Posts

@Viswanathan-R Our Microhard add-on boards are purely Microhard -> ethernet adapters, that may be more of a question for Microhard themselves. The antennas that we ship with support multiple frequencies so if you have a specific frequency you are using you may get better performance with antennas that tailored to that specific frequency.
LTE Modems

15
Topics

121
Posts

@modalab Thanks, starting my assembly and verifying parts. I didn't recall any antenna with the kit, will have to get some in the mail. Thanks for the reply
ESCs

6
Topics

20
Posts

Hello stevet, The reported voltage is the voltage measured by the ESC. In fact all 4 ESCs on the 4-in-1 ESC measure the voltage, you can try to run the calibrate script on others and double check the result. The current of 2.9A for a motor similar to EMAX 1306B is quite reasonable, in fact is probably on the low side (not a concern). If you are using a power supply that is capable of outputting 7.4V at much higher amps (lets say 10A), then follow these steps to figure out what is wrong: when ESC reports 2.9A, check to make sure the power supply also reports the same or similar current. run the calibration on a different ESC id to make sure the voltage measurement is similar to your first test use a multi-meter to measure the voltage right at the power input pads of the ESC (may need to solder temporary wires to ESC and connect them to multi-meter in order to do it safely.. use your judgement) the multi-meter voltage measurement should match very closely the voltage measured (under load) in the ESC the issue is most likely in the wiring between the power supply and the ESC (including possibility of a bad connector or bad solder joint at the connector). Alex
Power Modules

4
Topics

11
Posts

@jskard Would it be possible for you to please open up new forum posts for these new questions so that they can be better tracked? Thanks!
Image Sensors

12
Topics

54
Posts

A

Okay, in the meantime, I ended up creating a subscriber for the tof_pc and I managed to extract the x,y and z points. Im assuming that the z point that I extracted from the voxl_mpa_to_ros is the same as the one used in voxl-inspect-points, so that z axis is also reported in meters correct? Thanks for you help so far.
HDMI Input Accessory

Discussion regarding HDMI input to VOXL

2
Topics

3
Posts

You can find that library here: https://developer.modalai.com/asset/download/98
Qualcomm Flight RB5 5G Drone

Discussion regarding Qualcomm Flight RB5 5G Drone

39
Topics

191
Posts

@justinGE This is good information, thanks for sharing!
VOXL 2

VOXL 2 Support Forum

8
Topics

32
Posts

S

@Alex-Gardner thanks so much!
Seeker

Questions regarding the Seeker SLAM Development Drone

12
Topics

30
Posts

@Kris The LTE add-on board (M0030) has 2 JST ports for client USB devices
Flight Core - ArduPilot

1
Topics

1
Posts

ModalAI’s Flight Core is integrated into ArduPilot by the great ArduPilot community. The engineers at ModalAI do not have experience with ArduPilot, so can not offer significant support. It is recommended to find support through the normal ArduPilot channels (boards & Discord). Hopefully ModalAI will gain experience with ArduPilot in the future. ArduPilot pull request for ModalAI Flight Core v1 base hardware support Github ArduPilot pull request for VOXL-compatible Visual Inertial Odometry support Github More details on Flight Core Firmware can be found here
Sentinel

Questions regarding the Sentinel VOXL 2 Development Drone

0
Topics

0
Posts

No new posts.

Questions by Product

P

Setup Flight Deck on Fixed Wing
• Peter

2

0
Votes

2
Posts

10
Views

@Peter There is nothing that would prevent the VOXL Flight Deck or any of MODAL AI's kit from being used in a fixed wing configuration. The underlying autopilot, PX4 can be configured to fly a fixed wing aircraft. The software on the VOXL "brain" is tuned for quadcopters and will fly out of the box but with adjustments I'm sure it can be done. Someone from ModalAI can chime in, but it would not surprise me if other customers are already flying Modal kit on a variety of other platforms from ground, to sea, and other air configurations.

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Setup Flight Deck on Fixed Wing • Peter

Setup Flight Deck on Fixed Wing
• Peter