This is a discussion to focus the feedback and support of ardupilot on the PixRacer board from AUAV.co.
We believe that all teething problems encountered are now resolved and so we recommend people load Copter-3.3.4 which is available for all multicopters through the Mission Planner's (and other GCS's) Install Firmware screens. Note that because regular Pixhawks are still on Copter-3.3.3 the install icon may show Copter-3.3.3 but rest assured, Copter-3.3.4 will be installed (you can check the version by looking at the very top of the Mission Planner).
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Thanks for mentioning the power module stacking compass issue.
Now I know it's not just me, and I'll give up and disable the internal.
Have you tuned your power module? I'm curious what BAT_AMP_PERVOLT should be set to for the ACSP4.
Thank you!
Mine still doesn't work properly. It doesn't measure anything reasonable until I am pulling several amps. Sitting stationary but with a lot of equipment running, 700ma according to my multimeter, mission planner usually shows 0, but it jumps around and sometimes shows 1 or 2 amps, and then back to 0, etc.
All the peripherals are running through the power module. And, even when the props are spinning, but it's still on the ground (pulling 2-3 amps) mission planner is still showing 0.
when I'm flying, I get a reading.
Scott: don't you have signals wires from the PM in wrong port?, that issue make me more crazy than I am until I discover it. ;)
I used the supplied cable... so as long as the cable is correct, it should be ok. All pins are straight through 123456 to 123456.
Voltage works, and current gets a reading when I'm pulling 10 amps. But it shows 0 until it gets to about 10 amps, then it gives me a reading.
I suppose I'll do even more beta testing and put PX4 back on it to see if it's an APM issue, or if it's possibly my hardware.
Thanks,
I get .0004-.0005 volts on the current pin. I'm drawing about 700ma.
All the other pins are definitely ok.
Should be easy to test with a digital voltmeter, I poke on the side of the current and volt sense lines which are the 2 in the middle. I see current draw with the FC and wifi module alone. Feel free to post the reading of all 6 pins.
Must still be some sort of setup thing in MP. For me, QGroundControl is showing battery info without problem. QGC has the same information available as MP. So I assume you can tweak settings in MP to get it to work.
Everything is working here :) Nice to have predictable APM on it.. PX4 was a bit out of control for me... But that could (likely) be that I have experience tuning/configuring small APM copters, but am new to PX4.
What do other people think about the flight differences between APM and PX4?
Actually, I did have one issue.. I couldn't calibrate the ESC's. Either through MP or manually (throttle up, reboot, etc).
Manual, one at a time works. Px4/qgc worked for the all at once calibration.
I've had an awful time with ESC calibration on QGC/PX4. The 2-3 times I've succeeded it's the sort of thing where you look back and you're not entirely sure which thing worked. Yes, throttle up / reboot / reboot again / throttle down, etc. The ESC calibration in QGC never worked for me. I'd initiate it with only USB, plug in the battery when prompted, and it would "time out waiting for bat" every time.
Like you I'm much more accustomed to ArduPilot, but frustratingly the WiFi does not work at all for me in QGC or Mission Planner. I'm sure there's something I'm missing, but we should figure out what that is as other users will undoubtedly run into the same thing I did.
If PX4+QGC Esc Calibration is not working you should report in one of these places and you'll get a response:
https://gitter.im/PX4/Firmware
https://groups.google.com/forum/#!forum/px4users
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