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中文摘要：
针对传统电梯电话呼叫系统存在的布线复杂和维修不便等问题，设计了一种采用MSP430为控制核心，nRF24L01为无线收发模块核心芯片，并配以相应的输入模块和报警显示模块的低功耗电梯无线呼叫系统设计方案。系统是由若干个发送端和一个接收端组成的多对一的无线呼叫系统。经过实测表明，系统具有稳定性高、功耗低和高抗干扰性等优点，能有效地应用于各种电梯中。
英文摘要：
Some disadvantages are found in traditional elevator telephone caller system, such as wiring complex,maintenance inconvenience and so on. A kind of low-power elevator caller system implemented with MSP430 as main control chip, nRF24L01 as main control chip in wireless communication module,input module and also alerting module is designed.The system contains some sending ends and a receiving end.Through the experiment, the system is stability, low-power, strong interference resistance and so on,which is suitable for all kinds of elevators.
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