Wind sensor control rc servo position

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Helou! I found my old/almost forget project from my garage.My planning is made wind speed/direction weather station with analog gauges
Wind direction:6 bit greycode encoder what is connected Arduino Nano.Nano control rc servo position (0-180dec) 360dec analog gauge is possible made if i made simple gear by lathe,2 belt wheel and rubberband,gear ratio 1:2
Wind speed: Anemometer produce frequency,1hz per 0.1m/sec.So example 24.2m/sec is 242hz
Anemometer is connected other Arduino Nano.Nano control 0-180dec rc servo positions.Analog gauge is Also 0-180dec/0-30m/sec

I also have stepper motor but they lost steps/position after shutup,so i think better way is use closed loop servo with this

Can anyone help me,i not have skills produce Arduino code.I understand basics for this.Input digital value min-max must be scale to output pwm signal what control servo min-max positions

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And also somekind delay for output would be good,then pointer needle is not so restless

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