PWM-呼吸燈 所需零件 ESP32 5mm LED 330 歐姆電阻 麵包板 跳線 程式碼 參照--我的 micropython函式筆記本 from machine import Pin , PWM from time import sleep led = PWM ( Pin ( 4 ), freq = 5000 ) while True : for duty_cycle1 in range ( 0 , 1000 , 10 ): led . duty ( duty_cycle1 ) sleep ( 0.05 ) for duty_cycle2 in range ( 1000 , 0 , - 10 ): led . duty ( duty_cycle2 ) sleep ( 0.05 )