毕业设计（论文）-基于51单片机的蓝牙防丢器系统精选.doc

届 别 学 号 毕业设计 基于单片机蓝牙防丢器系统 姓 名 系 别、 专 业 导 师 姓 名、职 称 完 成 时 间 摘要 在现实生活中，大多数人都曾有过丢失贵重物品的痛苦经历，那懊恼甚至惊恐的情绪实在让人煎熬！现在生活节奏变得越来越快，周遍的环境却日益恶化，健忘、疏忽、被窃等原因造成的贵重物品的丢失几乎每天都在上演。因此，为了防范这些意外的发生，你身边需要有一个忠实的保护神，那就是随身佩带一套防丢器，她可以有效保护你的贵重物品免于丢失！ 本设计蓝牙防丢器采用由STC89C52单片机、复位电路、晶振电路、蓝牙模块电路、手机接收报警和电源模块组成。首先打开手机蓝牙和主板蓝牙进行配对，配对成功后，单片机通过串口和蓝牙模块HM-05发送数据，手机蓝牙实时接收数据。当手机和蓝牙主板的距离超过一定距离时，手机发出报警声，提示有小偷，马上回去查看寻找。蓝牙防丢器具有可靠性高，稳定性好，抗干扰能力强，使用方便。性价比高等特定。 关键字：STC89C52单片机，蓝牙防丢器，蓝牙通信 ABSTRACT In real life, most of us have had the pain of the loss of valuables, that upset even panic mood is really let a person suffering!Now life rhythm becomes faster and faster, the neighboring environment is deteriorating, forgetfulness, negligence, theft and other reasons caused by the loss of valuables on almost every day.Therefore, in order to prevent the occurrence of the accident, you need to have a faithful patron saint, wear a lost; preventer, she can effectively protect your valuables from lost! Is used by the design of bluetooth lost; preventer STC89C52 single-chip computer and reset circuit, crystals circuit, bluetooth module circuit, receiving alarm and power module.First open the mobile phone bluetooth bluetooth matching and motherboard, after the success of the match, microcontroller through the serial port and bluetooth module HM - 05 to send data, cell phone bluetooth receiving data in real time.When cell phones and bluetooth motherboard is more than a certain distance, phone alarm, suggesting the thief, go back to see at once in search.Bluetooth control apparatus has high reliability, good stability and anti-interference ability is strong, easy to use.The specific price higher. Key words: STC89C52 single-chip computer, bluetooth device, bluetooth communication 摘要 II ABSTRACT III 1、绪论 2 1.1