用Micro:bit播放生日快乐歌

Micro:bit自带一个有趣的功能就是可以生成音乐播放，今天做一个简单实用的案例，用Micro:bit播放生日快乐歌。

算法：

按下按键A，显示生日快乐

播放D

播放D

播放E

播放D

播放G

播放F

休息

为了播放音乐，需要将一个可以3V工作的蜂鸣器或者耳机，播放器连到Micro:bit的GND和Pine0脚之间，如下图

Blocky程序如下

MicroPython程序脚本如下：

from microbit import *

import music

tune = ["E4:4", "E4:4","E4:8", "E4:4", "E4:4", "E4:8","E4:4", "G4:4", "C4:4", "D4:4","E4:8", "F4:4", "F4:4", "F4:4","F4:4", "F4:4",

"E4:4", "E4:4", "E4:2","E4:2", "E4:4", "D4:4", "D4:4","E4:4", "D4:8", "G4:8", "E4:4","E4:4", "E4:8", "E4:4", "E4:4","E4:8",

"E4:4", "G4:4", "C4:4","D4:4", "E4:8", "F4:4", "F4:4","F4:4", "F4:4", "F4:4", "E4:4","E4:4", "E4:2", "E4:2", "G4:4","G4:4",

"F4:4", "D4:4", "C4:8"]

while True:

if button_a.is_pressed():

music.play(tune)

下载就可以播放啦。

原文参考

https://mp.weixin.qq.com/s?__biz=MzU0MTg0ODIzNA==&mid=2247484011&idx=1&sn=45a885492aa34f2b6c56a632d0ccb595&chksm=fb22e5aecc556cb84933e0fb3be524da23f1e5641ab05f9e1daf0a62fd5826dd21ccdc1b5bb1#rd