MW 328p & Yaw Servo

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zoink2012
Posts: 2
Joined: Fri Mar 28, 2014 12:25 am

MW 328p & Yaw Servo

Post by zoink2012 »

evening all..

I have MW2.3 in a tricopter configuration on a HK 328p

i have the servo motor plugged into D3 on the 328P board. motors are in D9, D10, D11
My board arms just fine but I get no response from the servo motor for yaw inputs on the receiver or tilting the 328p board in my hand. I tried flashing 2.2 and i get the same behavior of no yaw action on the servo. All motors come up just fine.

I've calibrated ESCs, ACC & MAG so I'm not sure what else I can do..

Some questions come to mind which I hope somebody can help me with

1) do i need to power the servo with a seperate BEC/ESC? My servo is BMS-385DMAX Digital Servo
2) any way to test the servo using a connecting to the transmitter and the applicable config.h change? I'm wondering have I a dud servo

thanks
z

zoink2012
Posts: 2
Joined: Fri Mar 28, 2014 12:25 am

Re: MW 328p & Yaw Servo

Post by zoink2012 »

to answer my own question, yes the multiwii can power the servo..(no separate ESC/BEC needed)

turns out i had a dud servo from hobbyking..replacing the servo with a new unit had the desired effect..

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