一个浴霸控制器程序，步进电机和485通讯，相关行业可以参考！-it is a program of a bathroom heater,including step motor and 485 communication, it is good for your reference!

高精度转台的设计，用于控制步进电机，每次步进值可以达到0.02°，具有自动校正功能-Precision turntable is designed for controlling the stepper motor, each step value may be 0.02, with automatic correction function