from machine import Pin,PWM#匯入pwm模組
import time#匯入時間模組
buzzer = 4                                    #設定蜂鳴器第四腳位
pwm=PWM(Pin(buzzer)) #令pwm變數名稱且定義pwm為蜂鳴器
pwm.deinit()                                  #去除一開始的雜音
def family(pwm):#定義family歌曲名稱

   pwm.init()         #初始化PWM

   pwm.duty(512)  #週期

   pwm.freq(330)     #頻率     

   time.sleep(0.5)     #暫停0.5秒     

   pwm.freq(262)       

   time.sleep(0.5)            

   pwm.freq(196)     

   time.sleep(0.5)   

   pwm.freq(262)       

   time.sleep(0.5)

   pwm.freq(294)         

   time.sleep(0.5)          

   pwm.freq(392)       

   time.sleep(1)            

   pwm.freq(294)     

   time.sleep(0.5)   

   pwm.freq(330)       

   time.sleep(0.5)      

   pwm.freq(294)       

   time.sleep(0.5)            

   pwm.freq(196)     

   time.sleep(0.5)   

   pwm.freq(262)       

   time.sleep(0.5)    

   pwm.deinit()       
     

while True:#迴圈
 

        family(pwm)