智能温度报警控制器.doc

I目录第1章绪论···············································································································································································1第2章系统总体设计方案····································································································································································································································································································································3第3章硬件电路设计··················································································································································································································································································································································································································································································································7第4章系统软件设计····································································································································································································11总结··········································································15参考文献····································································16附录1总电路图·························································17附录2程序·······························································,系统设计的目的,增强动手合作能力,选择了温度控制器这个实验项目。课题小组针对温控报警问题展开思考,终觉得设计一个能自低温到高温进行报警并通过液晶显示的系统。该系统使用AT89C51单片机,同时运用单线数字温度传感器DS18B20,LCD1602显示模块等模块可实现温度的检测。课题经过实验验证达到设计要求,具有一定的使用价值和推广价值。该作品使用液晶显示,可以清晰地显示当前的报警温度,使使用者使用时不会出错,安全可靠,可使用于各种食品