摘要
抢答器常用于辩论、知识竞赛等含有抢答环节的活动中,能够准确、公正、直观地判断出第一抢答者。文章在已有有线抢答器的基础上,以AT89S52单片机为核心,并结合无线发射和接收模块,设计出无线抢答器。
Responder is commonly used in debates,quiz competitions that activities with answer in part,can provide an accurate,fair and visually determine who is the first.In addition,Based on wired scare-answering device,taking AT89S52 single-chip microcom-puter as the core,combined with wireless transmitting and receiver module,designed wired scare-answering device.uses a wireless transmission,to avoid the trouble of wiring and space constraints,to the actual application is a big convenience.
出处
《企业技术开发》
2011年第6期89-90,共2页
Technological Development of Enterprise
关键词
单片机
抢答器
无线模块
a single-chip microcomputer
vies to answer first device
the wireless module