温度测控系统的设计与制作

A Design Of Temperature Controller

设计一种以AT89S52单片机作为控制器,DS18B20读取温度。方案采用L298n芯片驱动风扇进行降温和水泥电阻加热。系统利用4乘以4矩阵键盘实现功能模式、设定读取温度值。本文将从软件系统设计与硬件方案论证两个方面介绍温度测控系统的制作,并且在实际试验的基础上对方案的不足提出了一些改进建议。

In this paper tells a design of temperature controller which is made up by AT89S52 SCM as the main controller .The temperature is read by DS 18B20.The L298n drives a fan to reduce ambient temperature and a cement resistors to heat up the ambient temperature .The systems uses 4 times 4 matrix keyboard to realize function mode and to set the target temperature .This paper will introduce the design from software and hardware .Finally ,some suggestions have been put forward to shortages of the design.