本文是在实践的基础上,总结采用单片微机解决“有安全信号,则来车时应一定能报警”这一关键问题,同时增强了机器的抗干扰性能。文章介绍了单片机的基本原理以及应用中的优点。 This article is based on the practice, summed up the use of single-chip microcomputer to solve “There is a safety signal, then the car should be able to alarm ” this key issue, while enhancing the anti-jamming performance of the machine. The article introduced the basic principle of the one-chip computer and the advantage in application.