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> Multi-Rotors & Parts > Flight Controllers & Accessories > Flight Controllers

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HobbyKing™ KK-Mini Multi-Rotor Flight Control Board 36x36mm (30.5x30.5mm)

HobbyKing™ KK-Mini Multi-Rotor Flight Control Board 36x36mm (30.5x30.5mm)
HobbyKing™ KK-Mini Multi-Rotor Flight Control Board 36x36mm (30.5x30.5mm)

The next evolution of the rotor revolution is here!! The KK-mini is packing all the same power, but with a new mighty-mini form factor.

The KK-Mini is the next Big/Small evolution of the first generation KK flight control boards. The KK-Mini is based on the KK2.1.5 architecture and has all the same inputs and outputs as well as the full functionality of its big brother. The new 36mm designed was adapted to fit the needs of the new mini market, but don’t let its size fool you as it's just as much at home in any size multi-rotor. The KK mini still utilizes a built in GUI using a hi-res mini LCD and 4 micro buttons for the same great KK experience. It was engineered from the ground up to bring multi-rotor flight to everyone, not just the experts.

A host of multi-rotor craft types are pre-installed, simply select your craft type, check motor layout/propeller direction, calibrate your ESCs and radio and you’re ready to go! All of which is done with easy to follow on screen prompts!

The original KK gyro system has been updated to an incredibly sensitive 6050 MPU system, making this the most stable KK board ever and allowing for the addition of an auto-level function. At the heart of the KK-Mini is an Atmel Mega644PA 8-bit AVR RISC-based microcontroller with 64k of memory. An additional polarity protected header has been added for voltage detection, so no need for on-board soldering. A handy piezo buzzer is also included for audio warning when activating and deactivating the board.

The KK-Mini added polarity protection to the voltage sense header and on-board buzzer. The voltage sense line has been updated for better accuracy.

If you’re new to multi-rotor flight or have been unsure about how to setup a KK board, then the KK-Mini was built for you. The 6 Pin USBasp AVR programming interface ensures future software updates will be quick and easy.

Specs:
Size: 36x36x11.5mm (mounting holes 30.5x30.5mm)
Weight: 8.6g
IC: Atmega644 PA
Gyro/Acc: 6050MPU InvenSense Inc.
Auto-level: Yes
Input Voltage: 4.8-6.0V
AVR interface: standard 6 pin.
Signal from Receiver: 1520us (5 channels)
Signal to ESC1520us
LCD size: 24*18mm
Mini buttons size:Four 3.3*4.2mm
Voltage sensor: One red positive pin header for.
Input rail: Single row 2.54mm pitch pin header for input signal

Firmware Version: 1.6:
Pre-installed firmware.
Dualcopter
Tricopter
Y6
Quadcopter +
Quadcopter X
Hexcopter +
Hexcopter X
Octocopter +
Octocopter X
X8 +
X8 X
H8
H6
V8
V6
Singlecopter 2M 2S
Singlecopter 1M 4S

(Custom Mix via the "Mixer Editor" option)

The Mixer Editor allows you to adjust where and how much signal the motors receive from stick input and sensors. This allows you to create any configuration possible with up to 8 motors or servos.

Customer self-update function.
Satellite input use Satellite-to-CPPM converter (#24524) at throttle channel(need steveis SW)
Sbus input use SBUS-to-CPPM converter (#52185) at throttle channell(need steveis SW)

** Note: It is all ways recommended to update to the latest software version as part of your initial setup.(This is different than v1. 6 for KK2.0)  

*** Note: The KK-Mini uses the same firmware as the KK2.1~2.1.5 series



PRODUCT ID: 9171000525-0

Shipped from:
International Warehouse

Price

$19.99

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Further discounts available for registered & logged-in customers.
 Customer rated
535
crowns
  
 
Total of 144 discussions.
william  1 points - 1/29/2016
 
Hi, I'm a beginner in the drone field, and I wonder about this flight controler where we have to plug the receiver ? And if some one know a pack which contains a receiver and a transmitter please ? Thank you
 Marcus the fox 28 points
The receiver plug on the left pins. They are all identified on the bottom so you cannot make a mistake (see 3rd picture). In this case, you will connect the full 3pin wire on the throttle and only 1 the signal wire on the others channel. Use this wire, super clean install: www.link turnigy 9x is a good transmitter to begin with: www.link
Andytheman  37 points - 1/27/2016
 
How do i wire the red single voltage sensor pin, Just a positive/plus wire to the positive main voltage, like the bigger KK Board? Exept there is a negative/ground there as well With the bigger kk Board.
 Marcus the fox 28 points
You just need to connect it to the positive of the battery. The ground pass through the ESC wires.
 Andytheman 37 points
Thx for answer. But why is it not the same for the bigger kk board?
 Marcus the fox 28 points
The functionality of the mini is the same as the big one, but just smaller. I guess they wanted to save every micro gram they could :-) As you see, on the RX side they also put much less unnecessary pins. Now you connect only one ground and positive and only the signal from the RX. For 10$, it's a deal!
 Andytheman 37 points
Ok thx again mate. :-)
casey  1 points - 1/17/2016
 
I just hooked up the voltage sensor on the board and it is saying my 3s 11.1v turnigy battery is 13.4v. Is this the board or the battery? I ran the quad for a few minute and the volts went down to 11.3. what should I set my voltage alarm to?
 Dave 7 points
upgrade to Steveis firmware and you can calibrate voltage readings. A freshly charged 3 cell LiPo battery will be 4.2v x 3 cells = 12.6v
Dave  7 points - 1/14/2016
 
With KK-Mini, Use Throttle input for SBUS signal (requires SBUS inverter). Use Aileron input pin for CPPM signal (no inverter required for CPPM). Notice that rx input pins are in different order/location on KK-Mini as compared to the full size KK bd. There is a simple modification for the FRSKY X4R-SB reciever that will provide an inverted SBUS output that can be used for the KK bd. Google x4r inverter hack for details.
 Andytheman 37 points
In the daily video he refers cppm to negative ground, positive plus, and throttle... So how did you come to use aileron input?
 Dave 7 points
Good question. The video is wrong :-( I had to find out the hard way, through trial and error, so I am sharing that information here, to save others from waisting time. Note that SBUS is only possible if you have changed/flashed your firmware to Steveis firmware. Upgrading to Steveis firmware is highly recommended!
 Andytheman 37 points
Thx for sharing. So positive and negative are the same but signal is aileron for cppm, right?
BEST ANSWER CREDIT AWARDED
 Dave 7 points
Yes sir, Counting up from the bottom...bottom pin is ground, second pin up is V, skip 3rd pin up (Thr), and plug CPPM into 4th pin up from bottom (Aileron). For CPPM you have to have to have the CPPM signal wire on a separate single servo connector, to plug into the Aileron pin. I use a female to female servo jumper, and extract the signal wire from one end and cover it in heat shrink for the CPPM/Aileron input.
 Andytheman 37 points
Thx for credit answer and detailed info. :-). I'm building a diatone blade 250 quad. First time i use a pdb with built in 5v bec. Using cppm, can i skip the ground and "V" (plus) and only use the signal wire to receiver, and then power the FC with built in bec from the pdb, or am i missing something out? And if thats correct, how do i power the FC, maybe just solder plus and ground wire to the bec's plus and ground connectors, and on the other end of the wire just use a servocable to plus and ground pins on a spare slot on the 1-8 ESC side on FC to power it up? Sry my bad eng**sh lol.
 Andytheman 37 points
Forgot to mention my esc's is opto, therefore the bec question. So i dont have to use a separate ubec, only use the pdb's built in bec.
 Dave 7 points
I recommend that you connect the ground and 5v from the BEC in your PDB, to an unused socket in your receiver and then use all three wires (Ground, 5V, and Signal) from the receiver to your KK Bd. On the KK FC bd, only the first servo output connection has 5V connection. The other servo outputs from the KK Bd only have signal and ground, so connecting 5V to them won't power the KK bd. Good luck with your build, and happy landings :-)
 Andytheman 37 points
Ofcourse, that makes much more sense. :-) I'm kind of new to multirotors but i remember now reading only first esc slot give power to the rest 7. Thx alot, youre very helpful:-). Hope you can answer one more question, dont want to bother you more, but i also read some people dont use the esc's ground wires, only signal to FC, but some others do. Is there a right way to do it? Consequenses? Thx again. :-)
 Dave 7 points
Glad to help :-) Not sure about speed control ground. Might not be necessary, also might depend on speed control design. Ground loops can be a tricky subject. I would try it with ground connected first, as that is how the speed control connector is without modification. General guideline is, to keep wiring as short as is reasonable (with little extra for vibration/future modifications) So far, I have had no problems connecting Speed control grounds on all my builds, and only shortened motor wires (i'm lazy). In future builds I might be more careful with wiring details.
 Andytheman 37 points
Ok thx again Dave. Very useful! :-)
 Andytheman 37 points
Just heard that if you update to latest firmware by RC911, he switch the cppm signal back to throttle channel 3 instead of aileron channel 4. Cant confirm this yet though.
 Dave 7 points
Thanks Andy, I have not tried that firmware yet, but I've read that it is good. I became a little frustrated with the flight performance and feature limitations of the KK bd with Stevis firmware, so now I am trying a Naze32 FC Bd with CleanFlight on one of my Quads. I think the KK bd is a stable flier in level mode, good for camera work and gentle flying, but I could not get good response for more aggressive flying in level mode. The KK with Stevis seemed to limit how hard I could bank and turn, in level mode. In future, I will try RC911 firmware. Let me know if you like it.
 Andytheman 37 points
Ok i let u know. But its not fly season her yet so it will take a while. I have no experience with naze, but it is a more advanced installation and setup? Just seen some youtube vids with it.
Customer Reviews
Overall Rating
Stefano
29 likes
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Quality
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nice fc, I use it in my 250mm blackout clone and fly very well, stable and easy to setup, but I had to mount it using the rubber specers to isolate the best vibrations. Only use screws and nylon spacers! however uncomfortable for the buttons and the LCD on this frame type


2 comments. Reply..

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Overall Rating
dtm360
139 likes
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Like it?
This is smaller than you initially think from the picture. Even the LCD is significantly smaller than the original KK2. You almost need a magnifying glass to read it!


6 comments. Reply..

Overall Rating
Herbert
4 likes
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I bought this board for my new built 250 Quadcopter. With this mini board my little Quadcopter is flying very,very stable and easy to fly. I have not found a manual but I have used the manual for KK2.0 to setup. The pins for receiver and ESC are described directly on the backside of the board. ( other as at KK 2.0 board). On my quadcopter i have used 4 peace zmr 1804 KV 2400 - motors and 4 10A ESC with simonk-firmware and propeller 5030 (3 blade). Weight of all parts and 800mA Lipo is 275g. The KK2.1.5 mini works very good - better than my KK2.0. Thanks for this nice product.


3 comments. Reply..

Overall Rating
necromaster
232 likes
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This thing is super-small! I bought it for my FPV 250 Spec. I will check the programming later and give more review. Just wanna make sure that if you guys are buying the FPV 250 Spec, you actually need the standard size KK2.1.5, although you can still use this one.


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Overall Rating
nicskasun
7 likes
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avec steveis firmware 1.18s1 rien a dire, réglages simple, pas de surprise après une bonne trentaines de vols et trois crash !!! que du bonheur


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