Это старая версия документа!

Exp20.py
  1. from machine import Pin, PWM
  2. import time
  3. _init()
  4.  
  5.  
  6. SpeakerPin = 15
  7.  
  8. Speaker = Pin(SpeakerPin, Pin.OUT)
  9. Sound = PWM(Speaker)
  10.  
  11. Sound.duty(512)
  12.  
  13. while True:
  14.     Sound.freq(330)
  15.     time.sleep(1)
  16.     Sound.freq(440)
  17.     time.sleep(1)