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Old May 04, 2012, 06:26 PM
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iCrap's Avatar
United States, MD
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Building my first quad, some questions.

Hi guys,
So im building my first quadcopter today, ive got it all done but i am REALLY confused on how to wire this thing. I am using the blueskyrc quad frame, and the KK v5.5 board.Ive connected the throttle, rudder and aileron connectors from the KK board to the spektrum receiver, connected the 3 pin ESC connectors to the KK board.

So now i'm left with 2 wires from each ESC and nowhere to plug the power in. My assumption is a solder the positive and negative from each ESC together, then to a battery connector? Is this correct? I figured i should ask before i try it and blow something up.


Thanks in advance. I really want to get this thing flying today!

EDIT: My second question, is how do i properly flash the KK board for the quadcopter firmware? And which is the best firmware to use? ( i know there are lots)
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Old May 04, 2012, 06:45 PM
reelflyt
Edmonton, Alberta, Canada
Joined Mar 2010
42 Posts
Hi ICrap.

Here is an example of a power distribution board. http://www.hobbyking.com/hobbyking/s...ion_Board.html
Here is the best way to flash your board http://lazyzero.de/en/modellbau/kkmulticopterflashtool

Gordon
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Old May 04, 2012, 06:58 PM
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So i looked at the power distribution board, it just looks like it would be the same as soldering the leads together then connecting them to the battery. Is that correct? So i would be fine then doing that?

Thanks
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Old May 04, 2012, 07:12 PM
Westland Michigan.
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Not as neat. But still funtional
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Old May 04, 2012, 07:44 PM
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i also think most only use one 5v wire from 1 ESC.

basically remove the red wire from 3 of the ESCs, only keeping black and signal (white).. maybe someone can correct me if im wrong.
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Old May 04, 2012, 08:14 PM
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Quote:
Originally Posted by scub View Post
i also think most only use one 5v wire from 1 ESC.

basically remove the red wire from 3 of the ESCs, only keeping black and signal (white).. maybe someone can correct me if im wrong.
I haven't heard that before..... is this true? can anyone confirm?

Also, now that i have the program to flash the KK, what firmware should i use on it?
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Old May 04, 2012, 09:46 PM
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Can you post a picture of your ESC?
I'm not sure where the two extra wires are coming from.
Basically, your 4 ESCs should plug into the M1, M2, M3, M4 headers on the KK board. The black wires should be toward the edge of the board.
Then you have your Throttle, Elevator, Aileron and Rudder headers that should go to your receiver. After that its a matter of hooking up your motors and you're good to go.

Here's a video that I used to make my power harness, and It's worked really well for me.
power spider (13 min 59 sec)
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Old May 05, 2012, 01:56 AM
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Quote:
Originally Posted by iCrap View Post
I haven't heard that before..... is this true? can anyone confirm?
here: http://www.rcgroups.com/forums/showthread.php?t=1097355

-TIP 8: It is recommended as a best practice for multicopters not to run ESC 5v BECs power wires in parallel. They will run hotter, be less efficient and can potentially induce noise into multicopter flight controller boards causing performance issues. This applies to both switching and linear type ESC BECs. Best multicopter practice: Only connect one 5v ESC power wire. Remove the other ESC 5v wires from the plastic connector by lifting the tab and then shrink wrapping the wire for protection. Do keep and connect the other ESC ground servo connections as removing them can cause performance issues with some ESCs and flight controllers.
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Old May 05, 2012, 01:57 AM
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Quote:
Originally Posted by scub View Post
i also think most only use one 5v wire from 1 ESC.

basically remove the red wire from 3 of the ESCs, only keeping black and signal (white).. maybe someone can correct me if im wrong.
NOT necessary if the ESCs have a linear BEC. You need to use only one 5V wire if the BEC is switching type.
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Old May 05, 2012, 08:32 AM
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I'm using these ESCs http://www.blueskyrc.com/index.php?m...products_id=39
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Old May 05, 2012, 09:11 AM
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United States, MD
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Another question... i can't get the kk board to arm. the motors are beeping at me but no go. I have the regular spektrum receiver and a Dx7..
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Old May 05, 2012, 09:49 AM
Emress
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United States, IA, Elkhart
Joined Nov 2011
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you probably need to adjust your TX trims
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Old May 05, 2012, 10:04 AM
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Originally Posted by sirbow2 View Post
you probably need to adjust your TX trims
What should it be set to?
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Old May 05, 2012, 12:49 PM
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No matter what i do, i can't arm it.. ive messed with the trim and i just cant get it to do anything.
The motors are twiching slightly and the ESCs are beeping, i assume this means its ready but not armed (the blue light isnt on either)
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Old May 05, 2012, 01:31 PM
Emress
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United States, IA, Elkhart
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this should help http://rcexplorer.se/page14/kkguide/kkguide/tri.html
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