STM32 4*4矩阵键盘(扫描方式)

上传者: santa_q | 上传时间: 2019-12-21 21:02:11 | 文件大小: 291KB | 文件类型: zip
主要实现矩阵键盘的功能。矩阵键盘使用PB8到PB15引脚,其中,PB8到PB11固定为 推挽输出,PB12到PB15固定为下拉输入。即,无键按下时,对应PB12到PB15为0,有键按下时,PB12到PB15中, 对应的引脚为高。

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评论信息

  • guyh2001 :
    模块化很号,原理理解后很方便
    2021-08-05
  • zyt123_xin :
    很好的资料,很齐全,谢谢.
    2019-06-30
  • xiazheng12 :
    被拦截了,郁闷
    2017-11-14
  • jinla1022 :
    程序不错,没什么问题,移植性很不错
    2016-09-19
  • nisnfox :
    基本没问题
    2016-07-14

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