Matek ASPD-AUAV baro problems

ArduPlane Plane 4.7
1

The onboard barometer on the Matek ASPD-AUAV is experiencing intermittent faults, fluctuating between accurate altitude readings and erroneous values of -2000m every few seconds. I am using DroneCAN, disabling the device resolves the issue; however, we would prefer to maintain the barometer as a redundant sensor. Do you have any recommendations for resolving this instability?

2

Is the airspeed sensor functioning correctly? A link to a log file would be helpful.

I also connected the ASPD-AUAV via the CAN bus and found that both the airspeed measurement and the barometer were working without any issues.

Rolf

3

Airspeed works fine. Only the barometer is acting up. I haven’t flown it with the external baro enabled but i can take a log while on the ground.

4

Youll see that baro 0 is all over the place. Thats the matek airspeed baro

5

I tried the sensor on a cube orange plus runing plane 4.7.1. Same weird behavior.

6

I also suspect that the part is defective. The airspeed sensor’s temperature is being transmitted correctly, so there isn’t an error on the flight controller’s CAN bus. It doesn’t help much right now, but it would be interesting to know if it works on the I2C bus.

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7

Using i2c the airspeed is now freaking out like the baro. Reading very high then low. The offset is massive. Baro isnt showing up.

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8

Anything wrong here?

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9

For I2C operation, you must close a solder jumper (see red circle: https://www.mateksys.com/?portfolio=aspd-auav#tab-id-1)

If you can do without the barometer, you could disable it in the Drone-Can menu.
In conclusion, I think the sensor is defective. Your settings look fine.

10

That’s what I’ve been doing. I’ve had a few flights and the airspeed was fine. I like this sensor better than the dlvr and it’s definitely better than a 4525DO.