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折扣與優(yōu)惠:團購最低可5折優(yōu)惠 - 了解詳情 | 論文格式:Word格式(*.doc) | ![]() |
摘要:本文介紹了一種由AT89S51編程實現(xiàn)的控制電路,該系統(tǒng)由單片機系統(tǒng)、矩陣鍵盤(4×4)、LCD1602液晶顯示屏和報警系統(tǒng)組成,具有按鍵提示、輸入錯誤提示、超次鎖定、密碼有效指示、控制開鎖、控制報警等功能??梢栽谝馔庑姑艿那闆r下即使修改密碼,具有保密性強、靈敏度高、適用范圍廣等優(yōu)點。 關(guān)鍵詞:AT89S51; 矩陣鍵盤; LCD液晶顯示; 報警系統(tǒng);
Abstract: This article describes a AT89S51 programming of the control circuit . The system consists of a single-chip system , martrix keyboard (4×4) , the LCD1602 display and alarm system . With push-button prompt , enter the error , subharmonic and ultra lock , the password is valid instructions , control lock , control , alarm and other functions . In the case of accidental leaks promptly change your password , with confidentiality , high sensitivity for a wide range . Key words : AT89S51 ; matrix keyboard ; LCD liquid crystal display ; alarm system |