|Feb 24, 2012, 09:48 AM|
Joined Jan 2006
HK Multicopter Control Board - motor doesn't spin - need help
I built a quadcopter and I have a problem with HK Multicopter control board - so I'm unable to fly or even test it :-(
I've connected all 4 motors to the board to the M1-M4 pins and also connected my RX. All ESCs initialize and do their standard pip pip... Now if I increase the throttle - one motor starts, then the second, then the third and nearly at full throttle the fourth.
At first I thought it could be a problem with the ESCs throttle range - but I think it isn't.
What have I done so far:
- calibrated the ESCs (yaw pot to zero, power, pip pip, power off, restore yaw pot) - OK
- tested the ESCs and motors directly on a RX - OK
- tried different firmwares - XCopter 4.7, XCopter 2.5
- tried with one BEC, two BEC, external BEC
- switched the cables for the motors - so for example motor 1 on pins for M4 and motor 4 on pins for M1 ==> now motor 1 is the last spinning up. So it seems that it's the control boards fault - the order of the motors starting is the same as the pins on the board...
Has anyone an idea what that could be?
|Feb 24, 2012, 03:58 PM|
Joined Jan 2006
Hi, thank you for your answer. Unfortunately I couldn't get it to work with just trimming. Now I've flashed the firmware "XXcontroller KR version by Minsoo Kim ***Latest Firmware***" from kkmulticopter.com and my motors spin up simultaneously
There's also another discussion I just found about this here => http://www.rcgroups.com/forums/showthread.php?t=1587021 <= maybe I'll give it another try later
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