摘要：在赛场上，双方所得的比分要求实时的显示在赛场比分大屏幕上。裁判就需要一个灵活的、稳定的、高效率的记分装置。无线记分便满足这些要求。本文就基于nRF905的无线记分系统设计进行阐述。基于nRF905的无线记分系统能够记录当前双方比赛分值和比赛时间倒计时。通过无线遥控方式能实现比赛分值修改及比赛时间的启动暂停等功能。整个系统中包含遥控系统和接收显示系统。按模块分又有倒计时部分、数码管显示部分、nRF905无线数据传输部分、按键部分等。

关键词：记分系统；nRF905；无线；单片机

Abstract:In the game, the score required to display on the big screen. The referee will need a flexible, stable, efficient scoring device. Wireless scoring will meet these requirements. This paper discusses wireless scoring system design based on nRF905.It can record the current bilateral match score and game time countdown. Through the wireless remote control can modify the game score and time start pause function. The system includes a remote control system and receiver display system. This system includes a countdown, digital tube display part, nRF905wireless data transmission part, the key part.

Key words: scoring system; nRF905; wireless; Microcontroller Unit