摘要
在多年的多媒体教室设备使用与维护工作中,投影机灯泡是多媒体教室最高费用的消耗配件;维护投影机硬件中控工作难度大、时间长;应用VB Mscomm控件设计RS-232通信方式投影机控制软件,既简化了控制操作流程,又节约了投影机控制的硬件成本,能有效降低投影机非法关机次数,保证投影机灯泡的正常使用寿命。
In the years of multimedia classroom equipment use and maintenance work,Projector light bulb is the highest cost of consumption of multimedia classroom accessories;To maintain the projector hardware is difficult and time-consuming;To design RS-232 communications projector control software by applying VB Mscomm control will simplify the operation process as well as save hardware cost of projectors control.It will also reduce the number of projectors illegal shutdown,to ensure the normal life of projector bulbs.
出处
《广东农工商职业技术学院学报》
2010年第4期83-86,共4页
Journal of Guangdong Agriculture Industry Business Polytechnic
关键词
投影机控制
简化
节约
projector control
simplify
saving