Servo Travel Limits. Need Help adjusting endpoints on my Tri

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FIREotter
Posts: 2
Joined: Fri Dec 13, 2013 2:29 am

Servo Travel Limits. Need Help adjusting endpoints on my Tri

Post by FIREotter »

Hi everyone,
I'm trying to set the servo travel limits for the yaw servo on my Tricopter. I'm using the Multiwii Pro from Hobbyking and servo is connected to D2. Running Multiwii 2.3.

I've tried altering the min and max in the code below (tried altering every parameter) to no avail, no change in travel whatsoever. I could limit on the radio but then I would not be able to arm, and the FC could still go over the limit while stabilising. It's late and maybe I've missed something obvious, below is the parameters I've been changing.

Any help would be greatly appreciated.
Thanks.


/******************************** SERVOS *********************************/
/* info on which servos connect where and how to setup can be found here
* http://www.multiwii.com/wiki/index.php? ... figuration
*/


/* if you want to preset min/middle/max values for servos right after flashing, because of limited physical
* room for servo travel, then you must enable and set all three following options */
//#define SERVO_MIN {1020, 1020, 1020, 1020, 1020, 1020, 1020, 1020}
//#define SERVO_MAX {2000, 2000, 2000, 2000, 2000, 2000, 2000, 2000}
//#define SERVO_MID {1500, 1500, 1500, 1500, 1500, 1500, 1500, 1500} // (*)
//#define FORCE_SERVO_RATES {30,30,100,100,100,100,100,100} // 0 = normal, 1= reverse

PatrikE
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Re: Servo Travel Limits. Need Help adjusting endpoints on my

Post by PatrikE »

Use the servo setup tab in the Gui.

FIREotter
Posts: 2
Joined: Fri Dec 13, 2013 2:29 am

Re: Servo Travel Limits. Need Help adjusting endpoints on my

Post by FIREotter »

Great. Got it.

Thanks.

vettel
Posts: 1
Joined: Sat May 28, 2016 8:47 pm

Re: Servo Travel Limits. Need Help adjusting endpoints on my

Post by vettel »

I had similar problem, on TRI, YAW servo would go between 1200 and 1800, being limited in travel or range.

Could go to 1000 if mid was set like 1300, but that affected the high end :(

With those my tricopter was very slow on YAW turns!

I found this good hack: viewtopic.php?f=7&t=6132
But could not find a good place in code to implement that for TRI.


AFTER HASSLING A LOT, THIS IS WHAT ONE NEEDS TO DO:


In Multiwii GUI, adjust setting: "YAW RATE" frmo "0.00" to like "0.15" . and that will make the YAW servo go full width / angle / range on the tail of tricopter.
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Hamburger
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Re: Servo Travel Limits. Need Help adjusting endpoints on my

Post by Hamburger »

are you sure your TX was setup to provide full [1000-2000] signal range?
Did you check in the gui?

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