年月日论文题目：基于单片机技术的酒精浓度检测学院：电子工程学院年级：（黑体三号字）专业：（黑体三号字）姓名：（黑体三号字）学号：（黑体三号字）指导教师：（黑体三号字）摘要本文以AT89C51单片机为控制核心，配合ADC0832转换芯片，ArduinoMQ-3酒精传感器，LED和蜂鸣器组成了酒精浓度传感系统。在硬件电路上完成了对AT89C51单片机的最小系统的搭建，其中包括电路的连接以及各个部位器件的选择，完成了对ADC0832的电路设计使其能够实现模拟数字的转换。实现了LCD1602液晶与单片机的通信电路，使LCD1602液晶能够作为本套系统的实时显示模块顺利显示实时数据值。在软件上使用了Altiumdesigner设计电路原理图，Multisim11实现模拟电路仿真，为电路制作提供了坚实的理论基础。在模拟放大部分使用了S9013三极管，顺利完成了使用数字信号控制模拟器件的功能。关键词AT89C51；ADC0832；ArduinoMQ-3酒精传感器AbstractInthispassage，weuseAT89C51MCUasthesystemcontrollercore,combinedwithADC0832convertchip,ArduinoMQ-3alcoholsensorandLED,setuptheplatformtodetectthedenseofthealcholinanarea.Ontheonehand,weaccomplishedtheleastsystemabout51MCUandthedesignofADC0832convertcircuit..Throughthehardware,wecanreadthevaluefromADC0832anddisplaythevalueonLCD1602,whichisthereal-timedisplaymoduletothesystem.Ontheotherhand,weuseAltiumdesignertodrawupthepictureaboutthewholecircuit,andusetofinishthegetthevalueaboutthedevicesbyreMultisim11.Baedonthetheory,wecanuseS9013transistortoamplifythecurrenttodrivetheLEDandBUZZER,thus,wecanusethedigitalsignaltocontroltheanalogcircuitKeywordsAT89C51；ADC0832；ArduinoMQ-3alcoholsensor目录摘要............................................................................................................................................IAbstract....................................................................................................................................II第一章绪论..............................................................................................................................31.1传感器的发展...............................................................................................................31.2单片机及微处理器.......................................................................................................31.3本论文研究的主要内容及意义...................................................................................3第二章系统设计......................................................................................................................52.1系统功能.......................................................................................................................52.2器件选择.......................................................................................................................52.2.1传感器探头.........................................................................................................52.2.2显示模块........................................................................................................62.2.3报警部分........................................................................................................72.2.4核心控制模块.....................................................................................................8第三章硬件设计....................................................................................................................113.151单片机最小系统.....................................................................
