#SC_05_pwm.py
from machine import Pin, PWM
import time


led = Pin(16,Pin.OUT)

frequency = 5000
led_pwm = PWM(Pin(4), frequency)


led.value(0)
led_pwm.duty(0)


while True:
    led.value(1) 
    time.sleep(1)

    duty_cycle = int(input('insert duty cycle (0-1024): '))
    led_pwm.duty(duty_cycle)
    time.sleep(0.005)

    led.value(0) 
    time.sleep(1)

'''
    for duty_cycle in range(0, 1024, 10): # 0-1024
        print(duty_cycle)
        led_pwm.duty(duty_cycle)
        time.sleep(0.1)
    

    for duty_cycle in range(1020, 0, -10): # 0-1024
        print(duty_cycle)
        led_pwm.duty(duty_cycle)
        time.sleep(0.1)

    '''