[请输入学校名称][请输入专业] 基于单片机的指纹解锁设计 姓 名: [ 请输入姓名 ] 学 号: [ 请输入学号 ] 指导老师:[ 请输入指导老师 ] 2025 年 7 月 25 日摘 要近年来,指纹识别技术在国内外进展很快,由于其良好的安全性目前该技术已被广泛应用于生活和工作中。随着成本的下降,指纹识别技术呈现全面推广和普遍应用的趋势。指纹识别技术是目前国际公认的应用广泛、价格低廉、易用性高的生物人证技术。指纹只是人体皮肤的一小部分,但是它却蕴涵了大量的信息。皮肤的纹路在图案断点交叉点是个不相同的。医学上已经证明这些特征对于每个手指都是不同的,而且这些特征具有唯一性和永久性。因此我们就可以把一个人同他的指纹对应起来,通过比较他的指纹特征和预先保存的指纹特征,就可以验证他的真实身份。本设计开发了一款基于单片机的指纹识别电子密码锁系统。该系统以STC89C52 单片机作为模块核心,通过串口通信控制 FM608 指纹模块实现录用指纹并存储指纹数据,并通过 HS12864-15C 液晶显示比对流程及比对结果,辅以直流继电器与发光二极管模拟开锁的动作。本系统具有体积小、性价比高、传输速度快、适合家庭及单位使用。关键词:单片机;指纹识别;液晶屏ABSTRACTIn recent years, fingerprint identification technology has developed rapidly in China and abroad, because of its good security now that the technology has been widely used in daily life and work. With the decline in the cost of the fingerprint recognition technology and the comprehensive promotion and general trends should be. Fingerprint recognition technology is a technology of biology-authentication widely used and legalized in international today because of its low-price and finer application. Fingerprint just is a small part of the skin, but it contains a great deal of information .The veins of the skin are different in pattern and cross point and break point. Medicine has proven that these characteristics are different for each finger and these characteristics are unique and permanent. So we can put a person's fingerprints corresp...