from machine import Pin, PWM, ADC
from time import sleep

#potmeter
adc = ADC(Pin(33))          # create ADC object on ADC pin
adc.read()                  # read value, 0-4095 across voltage range 0.0v - 1.0v

adc.atten(ADC.ATTN_11DB)    # set 11dB input attenuation (voltage range roughly 0.0v - 3.6v)
adc.width(ADC.WIDTH_10BIT)   # set 10 bit return values (returned range 0-1023)

#PWM
pwm = PWM(Pin(25), freq=50, duty=0) # create and configure in one go

#mapfunctie
def map_fct(x, in_min, in_max, out_min, out_max):
    return round((x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min)



while True:
    adc.read()
    print('adc = ', adc.read())

    power=map_fct(adc.read(), 0 , 1023 , 30 , 130 )


    pwm.duty(power)
    sleep(0.1)