智能溫室控制系統(tǒng)的設計
6500字 15頁


摘要：單片機在日用電子產(chǎn)品中的應用越來越廣泛，溫度和濕度則是人們日常生活中常常需要測量和控制的一個量。本文采用AT89S51單片機、溫度傳感器DS18B20濕度傳感器和液晶顯示器1602A從硬件和軟件兩方面介紹了一款簡易數(shù)字溫室控制系統(tǒng)的設計過程， 并對硬件原理圖和程序流程圖作了簡潔的描述，同時本文介紹了DS18B20， HS1101和1602A內部結構及工作時序，該溫室控制系統(tǒng)適用于農(nóng)業(yè)生產(chǎn)及多方面應用。
關鍵詞：溫度傳感器；濕度傳感器；單片機；液晶顯示器

Greenhouse control system
Abstract: SCM in daily application of electronic products more and more widely
Temperature and humidity in daily life is often need measurement and control of a quantity。Based on AT89S51 and temperature sensor DS18B20 humidity sensor and LCD 1602A from two aspects of hardware and software are introduced a simple digital control system design process of greenhouse。And the hardware diagram and program flow chart of the concise description, The paper introduces DS18B20 HS1101 and 1602A internal structure and working sequence。The greenhouse control system for agricultural production and various applications.
Key words: temperature sensor; Humidity sensor SCM; LCD display

目 錄

1 溫度設計------------------------------------------1
1.2 傳感器DS18B20--------------------------1
1.2.1 DS18B20溫度傳感器特性--------------1
1.2.2引腳介紹---------------------------------1
1.2.3 工作原理--------------------------------2
1.2.4 高速暫存存儲器-------------------------4
2濕度設計--------------------------------------------5
2.1HS1101濕度傳感器------------------------5
2.1.1特點：------------------------------------5
2.1.2最大參數(shù)值-------------------------------5
2.1.3特征參數(shù)---------------------------------6
2.1.4電壓輸出典型參數(shù)------------------------6
2.1.5頻率輸出回路-----------------------------6
2.1.6頻率輸出典型參數(shù)------------------------7
3.液晶顯示器-----------------------------------------7
4驅動電路--------------------------------------------9
5程序設計--------------------------------------------10