import RPi.GPIO as GPIO import time GPIO.setmode(GPIO.BCM) GPIO.setup(26, GPIO.OUT) p = GPIO.PWM(26, 100) #100 是頻率 p.start(10) # p.start(dc) dc 表明佔空比 0.0 ~ 100.0 try: while 1: time.sleep(0.1) except KeyboardInterrupt: pass p.stop() GPIO.cleanup()