基于SD卡的文字声光警示系统  

The text, sound and light warning system based on SD card

作　　者：卫建华[1] 郭鹏[1] 余游江[1] 王锦[1] 陈博敏[1] 

机构地区：[1]西安工程大学电子信息学院,陕西西安710048

出　　处：《物联网技术》2013年第9期32-34,37,共4页Internet of things technologies

摘　　要：以铁路道口应用为例,设计了一种基于SD卡的信息数据存储警示系统。该系统可在需要警示的情况下,通过人工操作或自动触发发出相应的警示信息,包括LED显示屏显示文字警示信息、语音系统播放警示语音、警灯闪烁进行灯光警示。文字及语音警示信息的原始数据存储在SD卡中,针对不同的应用需求,只需修改SD卡中的内容,可适用于多种应用场所。Taking railway crossing application for example, an information data storage warning system based on SD card is designed, which can issue a warning information in case of alert required by manual operation or automatic trigger, including text alerts on LED display, warning voice broadcast by audio system, and warning lights flashing. The raw data of the text and voice alerts are stored in the SD card, which only needs a modification for different application needs. It is suitable for variety of application areas.

关 键 词：SD卡 文字 声光 警示系统 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]