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myfyn69
Posts: 4
In the new update video for mobiflight they are using a gauge that has a “pin” to set zero. Is this done with a Hall effect sensor? Also how is this done on the gauge. Does someone know of a website or something that shows how it’s down? I’ve search the web but can not figure it out. I’m thinking a super small magnet in the needle and then the hall sensor behind the paper gauge? Not sure how these work yet but I am building gauges and would like to get this installed as well.

Thanks for any help you can give.

James.
2020-12-19 04:02
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pizman82
Moderator
From: ETSI, Germany
Posts: 6010
Supporter
Hi

Here Mobiflight give the users just a new tool/posibility. We not think or care about the hardware you use.

In the past Stepper Motor Gauges work with the ZERO Point System.
Means you define a Zero Point in first usage..... In the Settings menue by calibrate it with the +1 and +10 Buttons. THIS Point is saved "hardcoded" in the Software.
If you now Run your Cockpit then each Signal also write a "virtual value" so MF know where the Motor is at the moment. When you STOP Mobiflight then this Value is used by the Software to turn the motos back to his hardcoded starting Point !

THIS was working but it have some disadvantage. If you get a Error / Crash or so then the "reset" won´t happen.
So MF lost the Zero point and user must make a new calibration..... Cause after a Crash and a Restart MF simply use the "current" position like the hardcoded Zero Point ( Whatver it was not turned back already in case of the crash)

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The new Tool is simple....
You define a PIN for the Calibration. At systemstart Mobiflight simply turn the Motor in one direction "endless" until it detect a signal on the choosen Pin. This means..... if the Pin is "1" then Mobiflight STOP the Motor and assigned this Motor as "calibrate in Zero Point" .

In easy words.... Mobiflight not know or see if you use a Hall Sensor.... A light barrier.... A Laser System, or pretty simple a button that is mechanical pressed by a metal bolt or extremly a button that is pressed by the users hand if the gauge is in correct spot.
So..... Simply a Boolean 1/0 input..... Nothing else.

You can handle this in every way you like.... Aslong you send a signal to the specific Pin in the right moment !
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Good Luck !
2020-12-19 21:59
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