micropython 範例二

ESP32 板子上有內建一顆藍色 LED，擴充板上也有一顆 LED

此範例可用 PWM 來讓 LED 做出呼吸燈的效果

# 範例二:

# 使用 PWM 來做呼吸燈

# 使用 GPIO2 / GPIO12

# FB : https://www.facebook.com/mason.chen.1420

from machine import Pin

from machine import PWM

from time import sleep

i = None

for count in range(10):

for i in range(0, 1024, 4):

PWM(Pin(2), freq=1000, duty=int(i))

PWM(Pin(12), freq=1000, duty=int(i))

sleep(0.01)

for i in range(1023, -1, -4):

PWM(Pin(2), freq=1000, duty=int(i))

PWM(Pin(12), freq=1000, duty=int(i))

sleep(0.01)