有LCD+按键+反馈控制。用VHDL写的一个，直流电机控制程序。其中，里面的很多小程序可以用来做例程。使用的软件是quartus7.2。-With LCD+ buttons+ feedback control. Written by a VHDL, DC motor control program. Among them, there are many small programs can be used to do routines. Use of the software is quartu