#include "fan speeeed.h"

int fan_speed(float value){
        float fan_speed;
        float p = 0;
        float timelate = 0;
        float starttime = 0;
        int oldPR = 0;
        int curlPR;
        int f;
        if (curlPr > 300 && oldPr < 300){
            starttime = millis();
            p =(starttime - timelate);
            timelate = startime;
        }
        oldPR = curlPR;
        f = ((1/p)*1000);
        fan_speed = (f*60)/2;
        return fan_speed;
    }