基于STM32的指纹识别系统设计  

Design of Fingerprint Identification System Based on STM32

作　　者：张乐[1] 王悦 ZHANG Le;WANG Yue(School of Information Engineering,Shenyang University,Shenyang 110044,China)

机构地区：[1]沈阳大学信息工程学院,辽宁沈阳110044

出　　处：《沈阳大学学报（自然科学版）》2019年第2期113-117,共5页Journal of Shenyang University：Natural Science

基　　金：国家自然科学基金资助项目(61004039);辽宁省自然科学基金指导计划项目(20170540647);辽宁省大学生创新创业训练计划项目(110352018028)

摘　　要：为了解决传统的身份识别容易被破解或更改,安全性较低的问题,设计了指纹识别系统.本系统以STM32单片机为主控制处理器,通过AS608指纹识别模块、LCD12864液晶显示屏以及外围电路搭建整体系统电路.AS608指纹模块将采集到的指纹信息进行内部指纹图像处理,通过A/D转换成数字量信息存储到内部存储中,并通过I/O接口将数据发送到STM32主控制处理器中,由STM32主控制处理器进行数据处理并将反馈结果通信传给LCD12864液晶显示屏显示结果.该系统采用密码输入和指纹自动识别的双重保护,能够实现自动上锁和开锁的功能.In order to solve the problem that traditional identification system is easy to be cracked or changed and the security is low,a fingerprint identification system is designed.The system uses STM32 single-chip microcomputer as the main control processor,and builds the overall system circuit through AS608 fingerprint recognition module,LCD12864 liquid crystal display,and peripheral circuits.The AS608 fingerprint module performs internal fingerprint image processing on the collected fingerprint information,converts it into digital information through A/D and stores it in internal storage,and sends the data to the STM32 main control processor through the I/O interface.The control processor performs data processing and communicates the feedback result to the LCD12864 liquid crystal display to display the result.The system adopts double protection of password input and automatic fingerprint recognition,which can realize the functions of automatic locking and unlocking.

关 键 词：指纹识别 STM32单片机 AS608指纹模块 LCD12864显示 门禁 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]