The Hobbyking KK2 Flight Controller - Page 6 - RC Groups
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Jul 04, 2012, 02:27 PM
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Truglodite's Avatar
I tried ordering 2 yesterday, but it only let me take one for $30... oh well I haven't donated to the good kaptein yet so hopefully that means he get's a bigger cut in the end... now the long wait. Given the energetic staff of volunteers working on it, I can't wait to see how fast this board matures... self leveling gimbal & gps would be revolutionary at this price point! I hope in some small way I can help you geniuses get there.

I wonder how much vibrations are playing a role with self leveling. I know the Skookum 720 has "vibe logging" that is useful for hunting down vibrations that get in the way of self leveling performance (which is very sensitive to vibes BTW). I'm a total newb with the programming aspect, so I wouldn't know if vibe logging is possible with the kk2. Anyhow, it wouldn't have to necessarily log data. Just the ability to record live gyro/acc data on a PC would be very usefull for troubleshooting vibrations in all sorts of applications... not just quads.

Dutch, the way I understand is the "+" pins on outputs 2-8 are all connected together (for servo power). So any bec's you have plugged in to 2-8 will be in parallel if you don't disconnect some red wires. The purpose of this is to provide isolated power to the noisy actuators (servos, esc's, etc). The practice of running multiple linear BEC's in parallel is debatable. I am anal retentive when it comes to efficiency, so you can guess what I do. Never use switching uBEC's in parallel. The manual goes in to this a little.

A sorta related question...
I haven't read it explicitly, but from the manual I inferred that the rx gets power from the input pins. Are all the input v+ pins and the output1 v+ pin on the same node?

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Jul 04, 2012, 03:14 PM
It's a job...
747Pilot's Avatar

KK2 Google Map

Show it if ya got it!
Jul 04, 2012, 03:39 PM
Registered User
Originally Posted by dutchcommando
the board gets its power from the ESC BEC, through servo output pin 1. (others have no +5V pin connected.... very smart! saves the hassle of cutting the red servo wire on three esc's)
the BEC from the ESC will provide the board with the needed 5V-6V.

if you can use 2s,3s,4s,5s,6s,7s etc etc etc is determined by your ESC (and motors)

so if your esc (with build in BEC) supports 3S, then the board can to.. it is powered by the bec, not the lipo directly.
I'm planing to use Turnigy 6A Plush ESC's , they are sort of rated to 3s !
Jul 05, 2012, 03:06 AM
Firepower's Avatar
I thought I saw somewhere yesterday that adjusting one or so of the pots fixes that but do not know anything about it yet.

Just bought one as they are back in stock at HK. Probably not for long.

Originally Posted by dutchcommando

without self level it rocks... with... err... not jet..
i have to dig in the PI settings to get that part right i think..
for now it just wanders around on it's own with auto stab on..
Jul 05, 2012, 02:14 PM
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Truglodite's Avatar
That may be with the original KK boards that have pots, no accelerometers, and 'pseudo self leveling' in the code. The KK2's self leveling has far more potential with the accelerometers; just needs some tweaking to get it right.

I purchased my kk2 while they were in stock 3 days ago; I waited a while before that. The next morning they showed out of stock, and last night they show in stock again. That HK stock indicator seems to be wagging... needs less gain I think. :P

Jul 05, 2012, 02:50 PM
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I ordered mine the first day and its slowly making its way to me, just left NY on Wednesday.
Jul 05, 2012, 02:58 PM
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sg1anubis's Avatar
I have updated the info on the front page and included a link of the build log for my V6:

I also added a pin mapping of the hardware to the first post.
Last edited by sg1anubis; Jul 05, 2012 at 03:07 PM.
Jul 05, 2012, 02:58 PM
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sg1anubis's Avatar
double post...
Last edited by sg1anubis; Jul 05, 2012 at 03:07 PM.
Jul 06, 2012, 06:31 PM
Too pity i didn't research more about the KK2 before ordering.
I have the HK KK V2 board on a quad and i am really happy of it's performance regarding what i paid for it.
The only reason i ordered the KK2 was the Auto -Level function!!
Now i read that it is not working as it should.
Total fail!!!
Jul 06, 2012, 06:55 PM
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koolkiwikat's Avatar

You can order as many as you like its easy

add 1 to your cart

browse BACK to the product page, then change the quantity from the drop down selection box to say 1 more(or any extra you like), add to cart

Wham you will then have the extra quantity in your cart!

I ordered problem at all!, shipped and on its way to me!

This works for any quantity restricted product on HKing
Last edited by koolkiwikat; Jul 06, 2012 at 06:57 PM. Reason: Grammer
Jul 06, 2012, 07:41 PM
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Truglodite's Avatar
Thanks koolkiwikat, I'll have to remember that trick next time.

teopbako, I sorta wish I added both v1 and v2 boards to my order; just to have more options to play with (LOL, I just want to flash stuff). I will try wmp soon if the fw fix takes unreasonably long. Until then the lack of a good SL won't get in the way of fun for me, but it would be nice for the kids & wife.

Jul 08, 2012, 10:27 AM
Registered User
So I got mine in last Friday and placed it on my tri and the motor layout is reading all motors CW? Is anyone else seeing this?
Jul 08, 2012, 12:27 PM
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Del-Dredd's Avatar
Thats what it says but does not matter, usually fronts are opposite each other and rear is either but all can be the same.

See Q&A update to first post in Main KK2 thread. near bottom
Jul 09, 2012, 08:37 PM

Discount code

Originally Posted by e_lm_70
WOW ...

Already a buddy code ... for 18$ ... is unresistable

I just did order one ;-)


Can someone explain how the buddy code works for my tiny mind...please.
Jul 09, 2012, 09:34 PM
making crashing a lifestyle!
dutchcommando's Avatar
you first have to logged in at HK.
after that click on the buddy code.(preferably in a fresh tab)

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