基于单片机的PM2.5浓度检测及报警系统设计与实现...................................................................II摘要..................................................................................................................................................IIAbstract................................................................................................................................................III第一章前言........................................................................................................................................11.1、设计的目的和意义............................................................................................................11.2、设计的发展趋势及国内外现状.........................................................................................2第二章主要元器件选择..................................................................................................................42.1、AT89C51单片机................................................................................................................42.3、A/D转换芯片ADC0832.......................................................................................................82.4、LCD1602液晶显示屏........................................................................................................10第三章设计各模块电路介绍..........................................................................................................133.1、电路设计框图和原理图..................................................................................................133.2、单片机最小系统介绍......................................................................................................14图3.5夏普GP2Y1010AU0F粉尘传感器的电路连接............................................................173.4、A/D转换模块介绍............................................................................................................173.5、显示模块介绍..................................................................................................................183.7、按键模块介绍..................................................................................................................21第四章软件和流程图......................................................................................................................224.1、keil软件简介...................................................................................................................224.2、proteus设计仿真软件介绍..............................................................................................234.3、程序流程图......................................................................................................................24第五章仿真测试及分析..................................................................................................................255.1、PM2.5浓度检测与报警系统的功能仿真........................................................................255.2、分析...................................................................................................................................27总结................................................................................................................................................28参考文献...............................
