介绍了基于单片机STC89C52 的雨伞借用机的设计，基于公共自行车的设计理念，避免了突降大雨忘带伞的 麻烦，为校园的教师、学生等出行提供了便利，也适用于其它的公共设施。设计以单片机STC89C52 为控制核心，PN532 非接 触式射频读写卡芯片为信息采集单元，控制步进电机来实现伞锁的开启和闭合，设计简单，为校园带来人性化的学习和工作环 境，具有一定的市场应用前景。

This article introduces the design of umbrella renting machine based on SCM STC89C52 with the bike’s design concept, in order to avoiding the trouble of sudden heavy rain if people forget to bring their umbrellas, providing convenience for teachers and students in school. It also applies to other public facilities. The design uses SCM STC89C52 as controller, PN532 contactless RF card as information acquisition unit. It controls the stepping motor to achieve the opening and closing of the lock.The design is simple, bringing personalized learning and working environment of the campus with certain applications.