【正文】
the alarming system of gas leakage in house, and has confirmed the means on the system, which use fixed detection and wireless munication. The AT89S52 single chip puter is used as central processing unit in this system. The design can c omplete the access to data effectively. It has a high practical valuable. Key words: AT89S52 single chip puter。 wireless munication佳木斯大學(xué)學(xué)士學(xué)位論文 I 佳木斯大學(xué)信息電子技術(shù)學(xué)院 目錄 摘要 ................................................................................................................................................. i Abstract ..........................................................................................................................................ii 第 1 章 緒論 ............................................................................................................................... 1 課題的來源及研究目的和意義 ............................................................................... 1 課題的來源及研究目的 ................................................................................. 1 課題的研究意義 .............................................................................................. 1 國內(nèi)外的研究現(xiàn)狀 .................................................................................................... 1 本課題的主要內(nèi)容 .................................................................................................... 1 第 2 章 終端節(jié)點(diǎn)電路的方案設(shè)計(jì) ........................................................................................ 2 傳感器的選型 ............................................................................................................. 2 傳感器的發(fā)展?fàn)顩r ......................................................................................... 2 本章小結(jié) ...................................................................................................................... 3 第 3 章 終端節(jié)點(diǎn)電路的硬件設(shè)計(jì) ........................................................................................ 4 終端