本程序使用STC单片机控制，为一远程定时开关，通过RS485总线，设置控制器参数，控制器到时间后进行相应的操作，用于高空等场合，程序内部有详细的注释，主要读者稍加修改即可用于自己的电子产品中。-This procedure using STC Singlechip control, is a remote timer switch, through the RS485 bus, setting the parameters of the controller, the controller corresponding to the time after the operation, for the high altitude and so on, there are detailed procedures for the Notes, the main readers a little modification can be used for their own electronic products.