<p>基于ds18b20温度传感器的数字温度计设计</p> <p>字数:9092,页数:26 论文编号:jd457 价格:120元</p> <p>基于ds18b20温度传感器的数字温度计设计</p> <p>摘要:本文介绍了一种基于ds18b20的数字温度计设计方案。方案利用at89s52单片机控制ds18b20进行数据采集并由hs1602液晶显示模块显示结果,另外,采集结果可由rs-232-c接口送入计算机显示并存储。按键控制实现过界报警温度设定和实时监控,利用at24c08芯片进行存储,实现温度测量存储与再现。<br>关键字:温度采集,存储再现,过界报警,串行通信<br></p> <p>目 录</p> <p><br>摘要.....................................................................1<br>关键字...................................................................1<br>1 引言...................................................................2<br>2 总体设计.................................................................2<br>2.1 方案论证..............................................................2<br>2.2 总体设计...............................................................3<br>3 硬件设计.................................................................3<br>3.1 单片机系统 .............................................................3<br>3.2 温度传感器模块...........................................................4<br>3.3 存储模块................................................................7<br>3.4 液晶显示模块 ............................................................9<br>3.5 串口通信模块............................................................11<br>3.6 电源模块 ...............................................................12<br>4 软件设计..................................................................13<br>4.1 主程序流程..............................................................13<br>4.2 ds18b20模块程序设计......................................................13<br>4.3 hs1602驱动程序设计.......................................................16<br>4.4 at24c08存储模块程序设计...................................................18<br>4.5 rs-232-c串口通信模块程序设计..............................................19<br>5 测试及结果分析 .............................................................22<br>6 附录 ......................................................................23<br>7 参考资料...................................................................24</p> <p>以上回答来自: <a href="http://wenwen.soso.com/z/urlalertpage.e?sp=shttp%3a%2f%2fwww.lwtxw.com%2fhtml%2f42-2%2f2760.htm" target="_blank">http://www.lwtxw.com/html/42-2/2760.htm</a></p>