随着人民生活水平日益提高和科学技术的不断发展，人们的随身物品也随之多了起来。然而大多数人都会有花时间找钥匙、钱包等物品的经历，所以该文设计一种能够快速寻找随身物品的电路。该设计以蓝牙控制模块为核心，蓝牙控制模块通电后能与手机蓝牙匹配连接，再通过手机的蓝牙智控软件发送提示指令来使该设计中的提示电路触发，从而能够实现在一定范围内帮助人们找到挂有该电路的随身物品。经过对实物的多次试验，发现该搜寻器反应迅速、性能稳定，完全满足人们的功能需求，而且该搜寻器具有体积小巧、适用性广、成本低和功耗低等特点。%With the increasing improvement of people’s living standard and continuous development of science and technol⁃ogy,the personal belongings are increasing. Since most people have the experience of spending a lot of time on finding the key, wallet,etc.,a circuit to quickly search for the personal belongings was designed. The introduced design takes Bluetooth control module as the core. The Bluetooth control module powered on can match with the Bluetooth module of mobile phone. After that the prompting instructions are sent through the Bluetooth intelligent control software of mobile phone to trigger the designed pro⁃moting circuit,which can help people to find the belongings with the circuit in a certain range. The results got from the repeated experiments show that the search device has the characteristics of fast response,stable performance,small size,wide applicabil⁃ity,low cost and low power consumption,and can completely satisfy the functional requirements.
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