目录摘要.....................................................................................11、前言..................................................................................22、正文..................................................................................22.1设计方案论证.....................................................................22.1.1设计要求...................................................................22.1.2单片机芯片的选择方案和论证................................................32.1.3温度传感器设计方案论证.....................................................42.1.4显示模块方案论证..........................................................52.1.5电路设计最终方案决定......................................................52.2计算部分.........................................................................62.2.1STC89C51.....................................................................................................................................62.2.2STC89C51引脚..............................................................62.2.3单片机最小系统.............................................................72.3设计部分........................................................................102.3.1总体设计..................................................................102.3.2硬件设计...................................................................112.3.3软件设计..................................................................132.4样件或试件的各种实验及测试情况.................................................142.5方案的校验......................................................................153、结论.................................................................................164、致谢.................................................................................175、参考文献.............................................................................18附录A原理图...........................................................................19附录B源程序...........................................................................20附录C实物图..