2
4
4
1、 液 晶 显 示 模 块 ·····························································4
2、 实 时 时 间 计 算 模 块 ·························································5
3、 实 时 环 境 温 度 采 集 模 块 ·····················································5
4、 报 警 模 块 ······························································6
5、 设 置 模 块 ······························································6
四 、 总 体 方 案 组 成 框 图 ··························································7
五 、 系 统 硬 件 设 计 ·····························································8
1、LCD 显 示 模 块 ··························································8
2、 实 时 时 间 计 算 模 块 ······················································12
3、 实 时 环 境 温 度 检 测 模 块 ·················································16
4、 报 警 模 块 ·····························································21
5、 设 置 模 块 ·····························································22
六 、 系 统 软 件 设 计 ····························································23
七 、 系 统 硬 件 电 路 设 计 ························································24
八、系统硬件 PROTEUS 仿 真 原 理 图 ············································25
九 、 系 统 硬 件 仿 真 运 行 情 况 图 ··················································26
1、 显 示 欢 迎 界 面 ·························································26
2、 显 示 实 时 时 间 ··························································26
3、 显 示 当 前 温 度 ··························································27
4、 时 间 设 置 ······························································27
5、 最 高 报 警 温 度 设 置 ······················································28
6、 闹 钟 时 间 设 置 ··························································28
7、 超 温 ··································································29
8、 闹 钟 时 间 到 ····························································29
附 录 一 ： 实 物 图 ······························································30
附录二：PCB 图 ······························································32
附 录 三 ： 源 程 序 代 码 ···························································33
附 录 四 ： 参 考 文 献 ····························································62
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