EDA365欢迎您登录！
您需要 登录 才可以下载或查看，没有帐号？注册
x
7 }3 J* T! q( v( ~) b) {
摘要：本文介绍一种基于AT89C2051单片机的一种温度测量及报警电路,该电路采用DS18B20作为温度监测元件，测量范围-55℃-～+125℃，使用4位LED模块显示，能通过键盘设置温度报警上下限。正文着重给出了软硬件系统的各部分电路，介绍了集成温度传感器DS18B20的原理，AT89C2051单片机功能和应用。该电路设计新颖、功能强大、结构简单。 " P6 G5 s" @+ @7 V
关键词：温度测量，DS18B20 " {) M7 f: L v1 M8 ]! a. V
; R; C6 u8 q3 d* U5 ]
Abstract : The introduction of a cost-based AT89C2051 mcu a temperatur measurement circuits, the circuits used DS18B20 high-precision temperatur sensor , measuring scope -55℃-～+125℃,can use the keybord set the warning limitation, the use of four bits seven segments LED that can be display the current temperature. The paper focuses on providing a software and hardware system components circuit, introduced the theory of DS18B20, the founctions and applications of AT89C2051 .This circuit design innovative, poweRFul, can be expansionary strong.
& ~. q9 l) ?* l5 U' j: g/ X( w! O
Key Words : Temperatur measurement, DS18B20 , H" t2 ^5 W0 m+ x1 \0 j
* `& A1 b, e( O
# Z1 }/ q, j [6 {' Z a
| 
/1 
发表于 2019-10-16 15:18
收藏
淘帖
支持！
反对！