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Message #5115

FS777

Posts: 3

.I have begun building a BeechCraft Baron 58. I have created 2 fuel gauges using Tower Pro SG90 Servos, one for the left tank and one for the right tank.

https://picload.org/view/riwdplcl/s8z47vy.jpg.html

The servos work using the test button in MobiFlight.

The FSUICP offsets for the fuel tank levels are:

0B7C 4 Fuel: left main tank level, % * 128 * 65536
0B94 4 Fuel: right main tank level, % * 128 * 65536

What I need help with please is; Using this information how do I determine what formula or value to enter into the "Transform" field to get the gauges to read accurately.

http://imgur.com/a/2CN1W

Thank you in advance for you help!!!!

Jim

P.S. I don't know why my images are not showing up in the post. I have added links to them.

[Last edited by FS777, 2017-06-17 17:06]

2017-06-07 00:43

Message #5121

DocMoebiuz

Moderator

From: EDSH, Germany

Posts: 1516

It basically means that the value you read is
the percentage * 128 * 65536

If you are interested in the percentage value then you have to revert the multiplication using the transform field
$/128/65536

But, the value is a value between 0 (0%) and 1 (100%) so you have to ensure that you multiply by 100 somehow to read, e.g. 54 instead of 0.54 because MobiFlight rounds down to the next smaller integer.

If i use this
$*100/127/65536

it works pretty well.

Have a great day!
Sebastian

MobiFlight - Simply build your own home cockpit for your favorite flight sim - MSFS2020, FSX, Prepar3D (FSUIPC), X-Plane (XPUIPC)

2017-06-07 04:55

Message #5123

FS777

Posts: 3

Thank You!!! $*100/127/65536 works perfectly...

2017-06-07 05:03

Message #6245

twinSim

Posts: 2

Hi Jim,

great looking gauges. Do you have an update or maybe a video how they work? I fond such gauges as 3D bezels on thingiverse, did you use those or are yours selfdesigned?

I am also dedicated to the Baron and about to rebuild my current setup. If you are interested you can have a look at my facebook page, would be happy to step in contact with you. I can imagine we can jointly exchange ideas.

https://www.facebook.com/alfredmax.schuster

Best regards from Austria
Alfred

2017-09-30 19:33