【正文】 足者，但是還只限于實驗室階段，因而距離實際應用，尤其是對于日常生活尚有一定的差距，并不能完全體現(xiàn)出手機遠程遙控方式的特點。 關鍵詞： 單片機、 SIM300、 STC12C5AXS2。 系統(tǒng)的硬件設計中，對主要硬件 SIM300 和 STC12C5AXS2 單片機及其外圍電路進行了詳細的講述。短消息業(yè)務（ SMS）作為 GSM 網絡的一種基本業(yè)務，已得到越來越多的系統(tǒng)運營商和系統(tǒng)開發(fā)商的重視，基于短消息業(yè)務的各種應用也蓬勃發(fā)展起來。 本系統(tǒng) 是 一種基于 GSM 短消息的遠程 控制 系統(tǒng) ， 以單片機（ STC12C5AXS2）為系統(tǒng)的中央控制器，將 SIM300 模塊，各類傳感器模塊，受控 部件等有機結合，構成整個 家用電器控制系統(tǒng) 。硬件包括 SIM300 通信模塊 SIM300， STC12C5AXS2 單片機，顯示單元，各種傳感器和數(shù)據 采集與處理單元。 Abstract With the GSM ( Global System for Mobile munication ) mobile munication work to the rapid popularization and the increasingly fierce petition, new business and new technology development and application has been referred to a very important position. Short message service ( SMS ) as a basic service of GSM work, has gained more and more attention to the system operator and developer attention, based on the short message service in a variety of applications also flourish. This system is based on GSM short message remote control system with single chip microputer ( STC12C5AXS2), as the system central controller, SIM300 module, various types of sensor module, controlled ponent such as anic bination, constitute the entire household electrical appliance control system. Through the sensor module for detecting the household appliances is used, with GSM work as a longrange signal transmission platform, so as to achieve the user through the mobile phone remote control household appliances. Data transmission is the main way of short message, the system adopted PDU model, short message receiving and transmitting through the AT instruction to implement, this paper described the mon AT instruction and its using method. Hardware design of the system, the main hardware SIM300and STC12C5AXS2SCM and its peripheral circuit were described in detail. The hardware includes munication module SIM300SIM300, STC12C5AXS2 single chip, a display unit, all kinds of sensors and data acquisition and processing unit. Software includes MCU initialization, the main program, interrupt program signal acquisition, serial munication through the short message receiving and sending program. The last part of the paper to the GSM short message remote control system as the foundation, bined with household appliances detection technology to design a set of household electrical appliance control system based on GSM, and gives the application domain of the system and some discussion and Research on the. Key words: SCM, SIM300, STC12C5AXS2. 目 錄 摘要 ................................................................ I 第一章 緒論 ........................................................ 1 課題背景 ................................................... 1 課題研究的目的及意義 ...................................... 2 系統(tǒng)設計主要任務 ........................................... 3 硬件部分 ............................................... 3 軟件部分 ............................................... 3 第二章 系統(tǒng)方案設計 ............................................... 4 第三章 系統(tǒng)硬件電路設計 ........................................... 5 ............................................. 5 溫度采集及煙霧濃度檢測模塊 ................................ 5 GSM 控制及報警模塊 ......................................... 5 LCD 顯示模塊 ................................................ 6 無線傳輸模塊 ............................................... 7 受控單元模塊 ............................................... 7 第四章 系統(tǒng)軟件設計 ............................................... 9 ........................................... 9 ............................................ 10 第五章 系統(tǒng)整機調試及功能測試 .................................... 11 家用電器檢測與控制模塊 ................................... 11 溫度采 集、煙霧濃度檢測模塊 ............................... 11 溫度采集 ............................................. 11 煙霧濃度檢測 ....................................... 11 GSM 控制及報警模塊 ........................................ 11 第六章 設計總結及技術展望 ........................................ 12 致謝 ............................................................... 12 參考文獻 ........................................................... 13 附錄 ............................................................... 14 1 第一章 緒論 課題背景 21 世紀是信息化的世紀，移動通信從模擬時代走向了高度數(shù)字化時代，它們可靠性非常高，而且性能已經有了很大的進展，由此可見，各種電信和互聯(lián)網新技術極大地推動了人類文明的巨大進步。 和傳統(tǒng)的控制系統(tǒng)相比，基于 SIM300 的家用電器控制系統(tǒng)有其鮮明的特征。 家用電器控