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详细论述了红外遥控的基本原理并用实例进行了说明。然后，对空调遥控器常用硬件设备LCD和键盘的原理和使用进行了讨论，并对设计中使用的SH6614单片机做了必要说明。在软件设计方案中，文章对软件流程做了详细的解释并阐述了SH66系列单片机软件设计的一般方法。-I m writing to tell you about the discussion on whether an entrance fee should be charged for parks. Opinions vary from pe

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