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Old Jun 26, 2012, 12:30 AM
Raj Quest is offline
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Help!
HK KK 2.1 Settings help

I'm using the HK-KK 2.1 board on my quad.
At present I intend to use the default '+' configuration and firmware.

My question is with PID settings.
1) Which firmware does the default HK-KK-2.1 have?
2) Roll, Yaw, and Pitch - on the default board (pots) - do they actually control R,Y,P or do they stand for PI
3) I have simonK flashed F-20A ESCs, I've set all the 3 pots to almost 90% the quad seems to take off just about fine, I've tried to reduce the drift using trims on the Tx. The drift is not constant - sometimes on one direction and sometimes some other direction.
4) Even at almost 95% pot settings, I could not see the quad oscillating - so I left it at about 90%
5) Any instructions video? link? webpage? on how to fine tune the settings?
6) Is it possible (at all) to have a steady hover using the HK-KK board?
7) For my next quad will it be better to get the HK-KK2 (with built in LCD) - it has accelerometers - so I believe it will hover steady and better?

Pls help as best as you can.
Thanks
R
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Old Jun 26, 2012, 12:43 AM
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Hi Raj. Mate have a look through this. This is a great setup guide by RCExplorer.
http://www.rcexplorer.se/Educational...uide/quad.html

Bx
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Old Jun 26, 2012, 12:58 AM
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Thanks Box,

Here is a clip from that page:

Finding the correct gain:
- Increase the gain in small steps until the platform starts oscillating (overcompensating making the platform rock from side to side)
- Reduce the gain a bit
- You now have the optimum amount of gain.
- Fast forward flight requires lower gain.
- Too low gain is recognized by a hard to control platform that wants to tip over.
- Too high gain is recognized by oscillations.

Increasing the gain in small steps is referring to all 3 pots simultaneously??
which one of the 3 (Roll pot, pitch pot, or Yaw pot?)

Thanks,
R
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Old Jun 26, 2012, 01:18 AM
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Raj, I might be wrong but I do it indivdually. I set the pots at 50% ( all pots ) and do it one at a time. Take it up and see. etc etc till it starts to occilate ( jump around , shake , ) on that pot. Then take it back until it stops occilating. Then go to the next pot and do the same etc. You might have to take the pot increment below 50% to achive this as well.

Bx
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Old Jun 26, 2012, 01:23 AM
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On one of my Tri's the rear (Yaw ) was wagging its Bum in flight. I tried it between 0 - 50% on the Yaw pot and it still wagged its tail. Its now set at 75% and the (yaw) now does not wag its Tail its rock solid. The other 2 pots are set at about 40 - 50 %. Adjust and test till your happy with it.

Bx
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Old Jun 26, 2012, 01:26 AM
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I believe with 2.1, the pots actually control pitch, roll and yaw. With version 1.6, 2.5 and 4.7 they control P and I.

Roll = P for pitch and roll
Pitch = I for pitch and roll
Yaw = P for yaw, or PI for yaw

There's no D on the KK board as far as I can tell. If you want PI, then upgrade to 4.7.
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Old Jun 26, 2012, 04:24 AM
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OK, thanks.

Let me try that ... step by step.
For now, let me get it right in the default HK-KK-2.1, once it is done,
I'll move on to re-flashing.....
I think 4.7 would be the best?
where can I dnload the most authentic 4.7 upgrade firmware?
From the KK multicopter home page?

Thanks,
R
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Old Jun 26, 2012, 04:26 AM
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Re-flashed with the 4.7 upgrade, is there a noticable improvement in the performance of the HK-KK-2.1?
I mean easy to tune? steady hovering? easy to control?
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Old Jun 26, 2012, 09:46 AM
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Quote:
Originally Posted by Boxhead View Post
Raj, I might be wrong but I do it indivdually. I set the pots at 50% ( all pots ) and do it one at a time. Take it up and see. etc etc till it starts to occilate ( jump around , shake , ) on that pot. Then take it back until it stops occilating. Then go to the next pot and do the same etc. You might have to take the pot increment below 50% to achive this as well.

Bx
I have this board and this is exactly how you do it with the default "+" config.
v4.7 will be harder to tune because now you have PI (pots are now like what signal15 said)
more steady hovering
you will have more control
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Old Jun 26, 2012, 11:45 PM
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Thanks Dave
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Old Jun 27, 2012, 02:56 AM
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Multicopter PI-tuning: How to recognize different settings. (7 min 52 sec)
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Old Jun 27, 2012, 06:06 AM
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Thanks er9xuser,

I had seen this video, but just wanted to know:

Roll, Yaw, and Pitch - on the default board (pots) the HK-KK-2.1- do they actually control R,Y,P or do they stand for PI?
(questions on my post # 1)
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Old Jun 27, 2012, 06:25 AM
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Quote:
Originally Posted by Raj Quest View Post
Thanks er9xuser,

I had seen this video, but just wanted to know:

Roll, Yaw, and Pitch - on the default board (pots) the HK-KK-2.1- do they actually control R,Y,P or do they stand for PI?
(questions on my post # 1)
Pots are: Roll, Pitch and Yaw. With 4.7 FW from kapteinkuk they stand for PI. So Roll pot is for P term for Roll and Pitch, Pitch pot is I term for Roll and Pitch. Yaw pot is just P term, I si hardcoded.
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Old Jun 27, 2012, 11:38 AM
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Quote:
Originally Posted by Raj Quest View Post
Thanks er9xuser,

I had seen this video, but just wanted to know:

Roll, Yaw, and Pitch - on the default board (pots) the HK-KK-2.1- do they actually control R,Y,P or do they stand for PI?
(questions on my post # 1)
On the default HK KK v2.1 the pots control R,Y,P. The default board does not have PI.
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Old May 19, 2015, 03:53 PM
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i have kk2.1 board..
930 kv motor 2200 mah lipo 3s
my quadcopter drifts on the ground it self...doesnt lifts...?????
specially in the backward direction....and in right backward...
pls help me out..........
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