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

rled=PWM(Pin(13))
gled=PWM(Pin(12))
bled=PWM(Pin(11))
pot1=ADC(Pin(28))
pot2=ADC(Pin(26))
pot3=ADC(Pin(27))
rled.freq(50)
gled.freq(50)
bled.freq(50)

while True:
    pot1_value=pot1.read_u16()
    pot2_value=pot2.read_u16()
    pot3_value=pot3.read_u16()
    rled.duty_u16(pot1_value)
    gled.duty_u16(pot2_value)
    bled.duty_u16(pot3_value)
    sleep(1)