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红外数据发送接收程序,实现温度和时间信号的发送与接收

于 2023-07-22 发布 文件大小:109.86 kB
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结合红外通信理论与单片机实际应用,以AT89S52单片机为核心,包含红外数据采集发射和红外数据接收两大模块。为了方便测试,发送端采用数字温度测量器件DS18B20测量本地温度。发射模块检测到接收模块发送的命令后,会执行相应的动作,把温度和时间值数据,按照协议用38K方波发送出去。接收模块的一体化红外接收头检测到38K方波后,对应输出低电平,接收模块的单片机计算接收头的高低电平时间,判断是否为二进制“0”或者“1”,实现数据的解码并在LCD1602上显示。最终完成测温与红外数据传输的目的。

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