低功耗超高频安全传感标签的设计与实现

摘要

In view of the problems that ordinary tag has poor security and environment awareness,an ultralow power security sensor tag based on STM8L was designed.The tag integrated RFID,ultralow power,sensor technology,data gathering,etc.And all the data were encrypted using security access module which improves the security of the smart tag.Tag worked alternatively in ultralow power halt mode and environment information collecting mode.The normal work was guaranteed while the power consumption was effectively reduced.The tag was set with the state of battery voltage indicator light to inform the battery level,greatly prolonging the service life of the label and improving the reliability of the label.%针对现有超高频标签在安全性和环境感知方面存在的问题,设计一种基于STM8L的超低功耗安全传感标签.标签集成射频识别、超低功耗、传感器、数据采集等技术,通过安全模块加密传感数据和认证读写器,提高传感标签的安全性.标签采取超低功耗休眠和环境信息采集两种工作模式,在保证正常工作的同时有效降低功耗,大幅延长标签电池的使用寿命.设置有电池电量监测和提醒功能,提高标签的可靠性.