The Hobbyking KK2 Flight Controller - RC Groups
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May 12, 2012, 02:06 AM
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sg1anubis's Avatar

The Hobbyking KK2 Flight Controller

Among the many KK2 threads started after this, the official KK2 thread managed to migrate to here.

I feel this thread should be dedicated to builds, custom mixes and any unique or advanced uses of the KK2 such as custom firmware or ports of existing software.

V6 Build Log

Released from Hobbyking. $29.99


Size: 50.5mm x 50.5mm x 12mm
Weight: 21 gram (Inc Piezo buzzer)
IC: Atmega324 PA
Gyro: InvenSense Inc.
Accelerometer: Anologue Devices Inc.
Auto-level: Yes
Input Voltage: 4.8-6.0V
AVR interface: standard 6 pin.
Signal from Receiver: 1520us (5 channels)
Signal to ESC: 1520us
Pre-installed firmware.

Frame Configurations:

Quadcopter +
Quadcopter X
Hexcopter +
Hexcopter X
Octocopter +
Octocopter X
X8 +
X8 X
Aero 1S Aileron
Aero 2S Aileron
Flying Wing
Singlecopter 2M 2S
Singlecopter 1M 4S
(Custom Mix via the "Mixer Editor" option)

LCD Menu:

- PI Editor
- Receiver Test
- Mode Settings
- Stick Settings
- Misc. Settings
- Self-Level Settings
- Sensor Test
- Sensor Calibration
- ESC Calibration
- Mixer Editor
- Show Motor Layout
- Load Motor Layout
- Debug

KK2 ATMEGA324 Hardware Pin Mapping:

AIL 12 PD3
ELE 11 PD2
RUD 42 PB2
AUX 40 PB0
OUT1 25 PC6
OUT2 23 PC4
OUT3 21 PC2
OUT4 22 PC3
OUT5 20 PC1
OUT6 19 PC0
OUT7 24 PC5
OUT8 26 PC7
S1 3 PB7
S2 2 PB6
S3 1 PB5
S4 44 PB4
LCD1 ?
LCD2 ?
LCD3 ?
LCD4 ?
LCD5 ?
LCD6 ?
LCD7 ?
LCD8 ?
LCD9 ?
LCD10 ?
LCD11 ?
LCD12 ?
LCD13 ?
LCD14 ?
LCD15 ?
LCD16 ?
LCD17 13 PD4
LCD18 ?
LCD19 15 PD6
LCD20 ?
Last edited by sg1anubis; Jul 05, 2012 at 02:44 PM.
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May 12, 2012, 04:19 AM
Registered User
what could be the all up weight !??.
Is this a product for noobies who can't be bothered to read flashing LEDs ?.
If so, it's just what I need for my son.
May 12, 2012, 08:38 AM
Registered User
wolfes1126's Avatar
I have seen that too.
However i cant quite figure out all the PINs, as on the Left Side y ou have 5 Sets of 3 Pins and below 2 more rows, on the right Side you have 8 rows, so it could be either up to 8 Motor Outputs on the right side and 5 Channel inut on the left side and 2 outputs for maybe a Camera-gimbal.
However if i use a Gimbal i would also like to see Inputs to adjust the Gimbal in flight to get a different Angle of my aerial Shots/Videos..

Well lets see what HK is offering in this Package.
The 2 Pin i think 1 may be for a low voltage alarm/buzzer.

I am still waiting to find out some more info about the new Heavy Lifter Frame they had announced in a Newsletter last week.... but no Pictures were included
May 12, 2012, 09:06 AM
Registered User
great news
May 12, 2012, 09:44 PM
OpenAeroVTOL developer
HappySundays's Avatar
Originally Posted by titeuf007
great news
I'm guessing/hoping that the six pins on the lower left are for JTAG/SWD programming. The two-pin header is likely for battery voltage detection but there should also be a buzzer output unless that's underneath.
It they have any sense they should include a CPPM input so that you can have 8+ RC channels in.
Jun 06, 2012, 04:51 PM
Registered User
interesting... it does look more like a mwc than kk
Jun 06, 2012, 04:59 PM
Off my horse
I really hope that if it is a Multiwii clone they release the source. I'd hate to have to stop buying their batteries on principle.
Jun 07, 2012, 05:51 AM
Registered User
Hi Guys, here you got perfect solution for MW controller with all addiotional options you can imagine with very resonable price. I post it as I am fun of our domestic made solutions
I know hunderds of people using this with huge success and fun! So dont waste your time waiting for KK2, just jump and be in touch with the author for making deals.
Jun 07, 2012, 05:54 AM
Suspended Account
lol yeah, except if people wanted a 8bit multiwii board, they could have just got them from goodluckbuy for 30-50$
Jun 07, 2012, 06:20 AM
Registered User
no evolution !!!!!
they should waiting and create a 32bit multiwii board with great sensor
Jun 08, 2012, 01:23 AM
Master of Flash
LazyZero's Avatar

There is a new photo of KK2 out on twitter. But can't identify anything on it.
On the left side second board from bottom you can guess it has a ATMEL print on the controller.
EDIT: If I counted correctly 44 legs. It could be ATmega1284?

Last edited by LazyZero; Jun 08, 2012 at 01:30 AM.
Jun 08, 2012, 01:27 AM
Suspended Account
That doesn't look like 48LQFP... That's a 44TQFP... Maybe some atmel ARM chip?
Or maybe AVR XMega lulz
Jun 08, 2012, 02:29 AM
Registered User
seem to have only gyro and acc and perhaps compass!!!
Jun 08, 2012, 02:35 AM
If it ain't broke, fix it.
Hasher66's Avatar
Originally Posted by titeuf007
no evolution !!!!!
they should waiting and create a 32bit multiwii board with great sensor

Sorry, but did I miss something here, or did you?
Jun 08, 2012, 03:29 AM
Registered User
Originally Posted by titeuf007
no evolution !!!!!
they should waiting and create a 32bit multiwii board with great sensor
HK doesn't do evolution (or revolution) - just look at KK board and the 'new' i86 board (=Eagle clone)

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