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d) The specs don't seem to say online, but I believe this is a 180 degree servo.
I have also tried larger transforming values, but the needle movement is still the same.
OK.
1..
How should this work ?? Maby i missunderstand you but the gauge in Vid got nearly 360° Range ( maby 330-340 if we not use the area between 450 and 60.
So a 180° Servo can NOT Work all the range.... Only if you use a 1:2 Cogweel / Gear System.... So a move of 180° is turning the needle 360°
You simply can check your rotation range with the TEST Button in the Display Tab.... A Klick should turn the Servo from Zero to Full and Back. Thats the Range it got !
2. Values.
I have also tried larger transforming values, but the needle movement is still the same.
To get more Values and a smoother run you need "sometimes" this trick....
BUT with FULL Integer Numbers this can´t help.
Whatever you change the Input for example $*100 ..... Then a Jump from 128 to 129 Knots will be now a jump of 100 from 12800 to 12900
That will result in the same moving of Servo. Also a Change of the interpolated output Values and a other MAX Value in Display Tab Like 4500 Max and all Interpolated Values *10 will not help i think..... Same result... The Values are higher but the number of moves are the same.
THIS Technic only work with Decimal Values!!
If a Vlaue for example increase by 0,01 ( Like PMDG Flaps) it will have basicly 100 Steps between 0 and 1 .... But Mobiflight see only 0 and 1 and ignore the decimalpart.
Here a Multiply by 100 will change Input from 0-1 into 0-100 and now a increase of 0,01 is shown as +1.
Without Multiply the Stepper jump 1 step from 0-1 With Multiply it make 100 small steps instead.
BUT AGAIN.... This will not help here i think !
3. Do you have correct FSUIPC Polling Rate ??
If this problem is on other gauges too please recheck the polling ( In Mobiflight settings)
It should be maby 200ms . If you use a high value here like 1000ms then only every second the needle will be updatet.... With Low Value the update is maby 5-10 time per second.[/b] Please confirm you got this ... And if not if this solve the Problem.!
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Last Note.
I Personlay test lots of hours with servos..... But i not get happy with it. Stepper Motors are much smoother. More easy to handle (i think) and have no problems with ranges or with backward turning. If you have a stepper maby you will try out if this is not the better soluton for you, too.
@ Stephan. Please check the Datasheet of this servo. I can´t find information for Rotation in Degrees I´m not professional here... What means "Digital Servo" .....
Maby you can confirm for us if you think THIS Servo is working fine with Mobiflight !