利用SQL语言实现红外遥控，控制步进电机的快慢加速减速等操作-SQL language using infrared remote control, speed control stepper motor operations such as accelerating and decelerating

Anyone who interacts with today s modern databases needs to know SQL (Structured Query Language), the standard language for generating, manipulating, and retrieving database information. In recent years, the dramatic rise in the popularity of relatio