# angle travel
from machine import Pin, PWM, ADC
import utime

def main():
    # Ccreate the object with its parameters
    servo_sg90 =PWM (Pin(25), freq =50)
    sensor = ADC(Pin(12))
    while True:
        data = int(sensor.read())
        conver= data * 180/4095 
        print("Sensor data", data)
        #angle= float(input("please, enter a angle: "))
        if data >= 0 and conver <= 180:
            # It works in nanoseconds
            duty= ((3.06084 *conver **2 + 10278*conver + 550000))
            conversion = duty/1000000
            mili = int(conversion *1023/20)
            servo_sg90.duty(mili)
        else:
            print("Please, enter a angle between 0 and 180")
if __name__ == "__main__":
    main()