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


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.

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.
Quadcopter +
Quadcopter X
Hexcopter +
Hexcopter X
Octocopter +
Octocopter X
X8 +
X8 X
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

Weight: 30g
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Price  $9.99

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Further discounts available for registered & logged-in customers.
 Customer rated
Total of 136 discussions.
Anatoliy  2 points - 11/22/2015
Does this controller support 'Manual mode'? (without any stabilization)
 Wazza_99 1265 points
Yes, its called self level off in this one.
James  15 points - 10/26/2015
My miniquad has a massive oscillation from the moment the motors start to the moment it flips (usually about 2 secs later). I have tried 2 different kk mini's and various different firmwares and PID values but I am not sure how to tune these when most of the time it wont even fly correctly.
 Fabio 7 points
On the kk board the standard pid's are way too high. So you have to lower them all. I set my pitch and roll p gains between 12 and 25. The yaw gains you are quite good and I didn't see any difference when Changed them. So the i gains from pitch and roll you have to set them at about the middle of the p gains. Like if you have 20 at the p gains you set the i gains to about - 10. And then the p and i limits you let them as they are. But everything just differs between every quad and you just have to play a little bit with the gains. But when you set roll and pitch p gains to 18 and the i gains to 10 your copter will fly. After that you have to check if he is still oscillating when he does you have to lower the p and i gains if he doesn't oscillate and feels weared you have to higher the p and i gains.
 James 15 points
I ahve fiddled with all of the settings and found out eventually that it was actually a motor-esc problem. updated esc firmware and changed motor tpe to fast, all p[roblems resolved
Robert  1 points - 10/23/2015
Has anyone tried to connect the mini to an FM receiver? Is it possible?
Kwint  48 points - 10/21/2015
is for this kk mini also a spare screen available? cant find anything in hk store. (they do sell a spare screen for the kk2 or 2.1)
 Octavio1990 4 points
actually the screen size is the same for both (mini and 2.1) its the size of the board that change.
L2smith2  91 points - 10/20/2015
I have used just about every flight controller out there and these KK boards are by far the most difficult to set up. I still have no idea. No throttle output. always beeping stabilise modes ignore radio input. radio input only works some times. Throttle high warnings when throttle is low. who knows. all documentation makes it sound easy like it just works, seems to leave out all the most important info. Just because it has a nice screen with clear writing doesn't mean it tells you what its doing.
 Octavio1990 4 points
sounds more that you have a rx tx problem or maybe your FC its damaged, this FC works really good and its the best option for the newbies so if you had used about every flight controller you would find this board really practical
 L2smith2 91 points
I have solved some of the issues and got this to work in passthrough and gyro/rate mode. Acc auto level is impossible since it is so ridiculously sensitive to vibrations. No amount of filtering or vibration isolation seems to help.
Customer Reviews
Overall Rating
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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

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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!

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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.

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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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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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