电路由CD4069六反相器和74LS30八输入一输出与非门,可控硅电路组成的六路断路,二路闭路多路报警器,-Circuit from CD4069 six inverter and a 74LS30 eight input-output and doors, SCR circuit composed of six road traffic, two-way closed-circuit multi-channel alarm,

基于89C51单片机的四相六线步进电机控制系统，可以按键实现电机的起停，正反转及三级速度控制，并有led灯指示-89C51 microcontroller based four-phase six-step motor control system that can achieve the motor start and stop buttons, Reversible, and three speed control and have led indicator light

Fluent六自由度、动网格、多相流综合学习案例-The case of 6DOF,dynamic mesh,multiphase in the Fluent