摘 要：本系统是以89C51单片机为核心设计的红外传输系统，单片机因其高可靠性和高性价比，在智能化家用电器、仪器仪表等诸多领域内得到了极为广泛的应用。当前单片机对家用电器控制呈现出外型简单化、功能多样化、性能优越化的发展趋向。红外遥控器具用使用方便、功耗低、抗干扰能力强的特点，因此它的应用前景是不可估量。
本课题以延伸红外无线遥控技术为目的，采用了一种红外遥控器集中控制的方案，核心是设计出一个无线红外多路遥控发射/接收系统。本设计以红外线作为传递信息的载体，可对多个受控对象的工作状态进行短距离无线控制，适用于家庭多个灯的开启或关闭遥控，也可以对一种设备的八种工作状态同步进行控制，或对2种设备的4种工作状态同时控制。
关键字：单片机；红外传输系统；红外遥控
Abstract：The system is based on 89C51 microcontroller as the core design of infrared transmission systems because of its high reliability and cost-effective in the intelligent home appliances, instrumentation and many other areas. It has been used in very widely domain. The SCM appliance shows the simplistic appearance, diversification of function, the development trend of superior performance in modern society. The infrared remote control apparatus which is easy to use, low power consumption and anti-jamming features, so its prospects are immeasurable.
A centralized control infrared remote control program is designed base on the infrared wireless remote control technology. The core purpose is to design a wireless infrared remote control multiple transmit / receive system. The design of an infrared transmission of information as a carrier of controlled object can work many state short-range wireless control for home lights, it can be a device with many kind of synchronization control working state, or two kinds of equipment working with four state of simultaneous control.
Keywords: MCU, Infrared transmission systems, Infrared remote control
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