Hi All
I have been struggling with this for a few months on and off but I have been at it full on this past week and I have got nowhere!!
I go through all the usual steps and after the long monotone note, I press the arm button and noises are made, wait for them to stop then move the throttle down to low and it is recognised,THEN the strange bit, about 10% of the time 1 of the motors will correctly calibrate. I have had 2 motors correctly calibrated at once as my personal best and all of the motors do spin they just do it in pairs! I would really appreciate any help any of you can suggest.
Many Thanks
James
This is my set up as it would be useful for anyone who could help:
Tunrigy 9x + the encoder that gets it to work on the pixhawk
4 Turnigy D2836/9 950KV motors
4 HobbyKing 30A UBEC (http://www.hobbyking.co.uk/hobbyking/store/__15205__Hobby_King_30A_ESC_3A_UBEC.html)
3DR power distribution board
1 Turnigy 2200mAh Li-Po battery
Replies
Thank you all very much, I had attempted individual calibration but these steps are a lot more detailed so I will give them a go when I next can and keep you updated.
Yes, I totally agree with the advice from Erik and Robert. Take the pixhawk out of the loop and do the calibration one-by-one directly with the receiver.
Hi, I have put together this video to show what is working and what is not, if you could have a look over it I would greatly appreciate it. Many Thanks
James
https://www.youtube.com/watch?v=cpNQPi92Th4&feature=youtu.be
After looking at the user manual of your ESC, (on the Hobbyking site, under files tab), you can find in the larger manual that these ESC do have their own settings you will need to program...
Programming is done by moving throttle sticks to the max, and then depending on a menu, which is explained to min value as well.
As you are trying the ESC calibration by using the calibrate All at ones option in the PIXHAWK you may run into a situation that the ESC itself is also setting values....
To prevent this I would first focus on the ESC's and make sure that their default value's are set correctly, by taking the PIXHAWK out of the equation.
Just use your receiver (without the PPM decoder) and use you throttle out channel to feed into the EsC.
Then set all ESC values the same, so no brakes, same settings on all other options (of all the ESC's)
After that you reconnect the PIXHAWK, PPM encoder, and make a note of the min and max value's in the radio calibration screen...
If for what ever reason your max value's are not high enough the ESC will not recognize the max throttle as calibration value, which could explain that only two of your ESC calibrate...
I also know that the PPM decoder is reducing the max and min value's if you compare this with the value's which are coming directly from the receiver, so you may be not reaching the required max values for your ESC....
I hope you did radio calibration before attempting to Calibrate the ESC's with the PIXHAWK
If this all will not get them calibrated you may need to reflash the ESC's with the SimonK code, which is specifically for multi rotors...
It takes out all the options which are now in your ESC's.....
Good luck,
Erik
Hi, I have put together this video to show what is working and what is not, if you could have a look over it I would greatly appreciate it. Many Thanks
James
https://www.youtube.com/watch?v=cpNQPi92Th4&feature=youtu.be
Are the UBECs all tied together, Im just checking you removed 5v on all but 1.
Can you just use a programming card?
Not sure which one you need, but the first link is the search that helped me find the next two.
Its easier to just program them like this. If you have changed the firmware then I don't know if it works like that.
But I never changed my firmware and never calibrated, only compasmot and that was it.
http://www.hobbyking.co.uk/hobbyking/store/RC_PRODUCT_SEARCH.asp?st...
http://www.hobbyking.co.uk/hobbyking/store/__13431__HobbyKing_Progr...
http://www.hobbyking.co.uk/hobbyking/store/__20698__Hobbyking_YEP_E...