单片机:AT89S52 显示::CD1602 键盘:4*4 测温:DS18B20 高低温报警:LED+蜂鸣器
本代码基于AT89S52的温度控制演示系统,本想用于高中二年级学生自动控制的演示设备。 用的C51语言实现,默认的温度上、下限为40.0、15.0;新设置的温度上、下限在单片机断电重启后需要重新设置。 数据线的链接和键盘对应键值在图片中有展示。 bug:LCD显示的温度值前后相邻时间差值太大,估计是DS18B20的问题,没有深究。
实例代码下载即可运行……
单片机:AT89S52 显示::CD1602 键盘:4*4 测温:DS18B20 高低温报警:LED+蜂鸣器
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