from machine import Pin, PWM, ADC
from time import sleep
sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")

led = PWM(Pin(16))
led.freq(1000)

potm = ADC(Pin(28))

# 2^....16 (65535**(1/16)) stappen     nog beter 50 (65535**(1/50)) stappen.
while True:
    potval = potm.read_u16()
#    exp = (16/2**16)*potval         # 16 stappen
    exp = (50/2**16)*potval       #      50 stappen
#    licht = 2**exp                 # 16 stappen
    licht = 1.248336**exp         #      50 stappen
    print(potval, exp, licht)
    led.duty_u16(int(licht))
    sleep(.1)

#
#while True:
#    for d in range(0,65000, 2000):
#        led.duty_u16(d)
#        sleep(.1)
#    sleep(1)    
#    for d in range(65000,0,-2000):
#        print(d)
#        led.duty_u16(d)
#        sleep(.1)
#    sleep(1)