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

pin(23, pin.OUT).value(1) #Sets internal pin 23 to HIGH so the analog read gets a lil bit cleaner
pot = ADC(pin(26))
led_pwm = PWM(pin(8))
frequency = 5000
led_pwm.freq (frequency)
#Ejercicio 1
# while True:
#     analog_value = pot.read_u16()
#     print('Value:',analog_value)
#     time.sleep(0.3)

#Ejercicio 2
# while True:
#     analog_value = pot.read_u16()
#     value_fifty_perc = int(analog_value*0.5)
#     value_three_hundred_perc = analog_value*3
#     print('100%:',analog_value,' --- ','50%:',value_fifty_perc,' --- ','300%:',value_three_hundred_perc)
#     time.sleep(0.3)

#Ejercicio 3
max_brightness = 65536
min_brightness = int(max_brightness*0.25) #25% of the PWM range
duty_step = int(max_brightness*0.05)   #5% of the PWM range
while True:
    for i in range(min_brightness,max_brightness,duty_step):
        led_pwm.duty_u16(i)
        print('PWM Value: ',i)
        time.sleep(2)