毕业设计---无线门铃的设计

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1、 摘摘 要要 为了使人们在家中能快速地知道有客人来，故设计了无线门铃。 近年来随着科技 的飞速发展， 单片机的应用正在不断深入， 同时带动传统控制检测技术日益更新。 在实时检测和自动控制的单片机应用系统中， 单片机往往作为一个核心部件来使 用， 仅单片机方面知识是不够的， 还应根据具体硬件结构软硬件结合， 加以完善。 无线门铃由于无线电信号容易受环境因素的干扰， 所以采用了 AT89C2051 单片机 作为中央处理芯片， 使得该系统的功能扩展比较方便我们将发射器发送的数据进 行编码，只有收到与接收机配套的遥控器发射的信号时，接收机才会做出反应。 实际演示证明，无线门铃为众多家庭用户提供了方便。

2、 关键字：无线门铃、单片机、芯片 AT89C2051、无线传输、发射与接收 Wireless Doorbell System Design In order to make people quickly know the coming guests at home,so we designed the doorbell. In recent years, with the rapid development of science and technology, the single-chip microcomputer applications are continually deepenin

3、g, and at the same time promote the traditional control of the increasingly technical updates. In the real-time detection and control of the single-chip microcomputer application system, microcontroller as a core component that only SCM knowledge is not enough, and also on specific hardware structur

4、e , hardware and software combination will to be perfect. As the wireless doorbell can impact by the radio signals , So we using AT89C2051 as a central processing chip microcontroller, Makes the system more convenient extensions will be transmitter to send encoded data. Only receive matching remote control and receiver signal emitted ,the receiver will respond to. Practical demonstration of that, wireless doorbell offered many home users more convenient. Key Words：Wireless doorbell；Single-c