호흡등

호흡등 효과 (Breathing Light)

from machine import Pin, PWM

from time import sleep

# PWM 기능 활성화 (주파수 1000Hz)

led = PWM(Pin('LED', Pin.OUT))

led.freq(1000)

while True:

    # 점점 밝아짐 (0에서 65535까지)

    for duty in range(0, 65535, 1000):

        led.duty_u16(duty)

        sleep(0.01)

    # 점점 어두워짐 (65535에서 0까지)

    for duty in range(65535, 0, -1000):

        led.duty_u16(duty)

        sleep(0.01)