JIANGSU UNIVERSITY本科毕业设计基于单片机的指纹打卡机设计Design of Fingerprint Attendance Machine Based on SingleChip Microcomputer学院名称：电气信息工程学院专业班级：电子信息科学与技术1301班学生姓名：何旭然学生学号：3130504015指导教师姓名：李发忠指导教师职称：副教授2017年5月摘要江苏大学电气信息工程学院本科毕业设计基于单片机的指纹打卡机设计专业班级：电科1301班学生姓名：何旭然指导教师：李发忠职称：副教授摘要在科学技术飞速发展的今天，社会对身份识别的要求越来越高，尤其是在企业管理的人员签到、工作考勤等活动中对身份识别的高效性和可靠性的需求更为迫切。传统的身份识别方式已经难以满足信息高度机密化的现代社会的需求。但随着计算机运算能力的不断增强以及相关算法的不断完善，指纹识别技术在身份识别领域的应用越来越普遍。因此，将指纹识别技术应用于签到考勤中，做成指纹打卡机，能够很好的满足现代社会的要求。本设计以STC12系列单片机作为主控芯片，设计一个满足基本考勤要求的指纹打卡机系统。整个系统最终功能包括指纹登记、指纹签到签退、指纹信息删除以及打卡时间显示等，能够基本满足一般的考勤需要。关键词：指纹打卡机单片机Abstract江苏大学电气信息工程学院本科毕业设计Design of Fingerprint Attendance Machine Based on Single Chip MicrocomputerAbstract In the rapid development of science and technology today,the community is increasinglydemanding the identification,especially in the enterprise management personnel attendance,workattendance and other activities in the identification of the high efficiency and reliability of the moreurgent.The traditional personal identification methods,such as keys,passwords,IC cards,etc.,dueto the theft,can be forged,can be deciphered and a series of shortcomings,has been difficult to meetthe information highly confidential needs of modern society.However,with the continuousenhancement of computer computing ability and the continuous improvement of related algorithms,the application of fingerprint recognition technology in the field of identification is becoming more andmore common.As the fingerprint has a lifetime of invariance,uniqueness and irreplaceability,makingthe identity of the more reliable and accurate.Therefore,the fingerprint recognition technology used to sign attendance,made of fingerprintpunch card machine,can be very good to meet the requirements of modern society.The design toSTC12 series microcontroller as the main control chip,design a meet the basic attendancerequirements of the fingerprint punch card machine system.The traditional personal identificationmethods,such as keys,passwords,IC cards,etc.,due to the theft,can be forged,can be decipheredand a series of shortcomings,has been difficult to meet the information highly confidential needs ofmodern society.However,with the continuous The module is divided into single-chip main module,FM-70 optical fingerprint module,LCD display module and key module.The final function of the entiresystem,including fingerprint registration,fingerprint sign,fingerprint information deletion and check-intime display,etc.,can basically meet the general attendance needs.Key words Fingerprint Attendance machine Single Chip Microcomputer