I 基于 51 单片机的温室环境监测和报警系统 Monitoring and alarm system of the greenhouse environment based on MCU-51 II目录目录...................................................................................................................I中文摘要........................................................................................................IVABSTRACT....................................................................................................V第一章 绪论......................................................................................................11.1 课题研究背景........................................................................................11.2 国内外发展现状....................................................................................11.2.1 国外研究现状................................................................................11.2.2 国内研究现状................................................................................21.2.3 我国温室农作物栽培技术存在的问题........................................21.3 温度、湿度和光照与农作物生长的关系............................................21.4 本设计任务............................................................................................3第二章 设备方案选择......................................................................................42.1 温湿度传感器方案................................................................................42.2 光照传感器方案....................................................................................42.3 单片机方案............................................................................................4第三章 系统硬件设计......................................................................................63.1 整体方案设计........................................................................................63.1.1 系统概述...........................................................................
