## Analog calibration

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Moderators: russ, Ralph

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bebe100
Posts: 52
Joined: Sat Sep 19, 2020 3:22 pm

### Analog calibration

Hello
I want to know haw to calibrate an analog imput because I use only 90 degrees of the potentiometer
Thanks

Ralph
Posts: 6803
Joined: Tue Oct 27, 2015 7:02 pm
Location: De Steeg
Contact:

### Re: Analog calibration

I guess with calibrate you mean that you want to use for example 0 - 0.5 from the range of 0 - 1, and that this 0.5 has to become 1.

That's just simple mathematics: 1 / 0.5 * adc_value
Or the same result: 2 * adc_value

bebe100
Posts: 52
Joined: Sat Sep 19, 2020 3:22 pm

### Re: Analog calibration

Thx sir

bebe100
Posts: 52
Joined: Sat Sep 19, 2020 3:22 pm

### Re: Analog calibration

Thx now I have a range of 90degrees of the potentiometer starting from the one end.
Another question and thx again.
To move the 0 from potentiometer let's say about 30 degrees?

Ralph
Posts: 6803
Joined: Tue Oct 27, 2015 7:02 pm
Location: De Steeg
Contact:

### Re: Analog calibration

That's again just mathematics
Have a good look at the previous one, and you should be able to solve it.

bebe100
Posts: 52
Joined: Sat Sep 19, 2020 3:22 pm

### Re: Analog calibration

Thx for icurangmen

Ralph
Posts: 6803
Joined: Tue Oct 27, 2015 7:02 pm
Location: De Steeg
Contact:

### Re: Analog calibration

If not then let us know.

bebe100
Posts: 52
Joined: Sat Sep 19, 2020 3:22 pm

### Re: Analog calibration

Hello
My throttles are working super fine thanks to you.

And last this is the cherry on the cake
For ZIBO motorized throttle
I want to use servos from R/C
To activate the servo I need AT in state on+ N1 or SPEED or LEVEL CHANGE in state 1.
THIS IS THE BIG QUESTION FOR ME
ANYWAY THANKS AGAIN

Ralph
Posts: 6803
Joined: Tue Oct 27, 2015 7:02 pm
Location: De Steeg
Contact:

### Re: Analog calibration

I believe that @Keith Baxter was working on something like this?