from machine import PWM, ADC, Pin
import utime

control = PWM(Pin(19))
#ajuste de frecuencia servo 50 Hertz
control.freq(50)
adc = ADC(2)

while True:
    pote = int(adc.read_u16()*180/65535)
    print (pote)
    ton = (pote + 45)*100000/9
    control.duty_ns(int(ton))
    utime.sleep_ms(200)