Using VB program to dc motor speed control to stop operations by using the drop-down menu control speed control can be divided into 1-10 different levels

CodePudding user response:

First choose good control module...

CodePudding user response:

Be careful empty back to error

CodePudding user response:

The building Lord at the guessing game game?

CodePudding user response:

The building Lord would like to ask?

CodePudding user response:

Use combo

CodePudding user response:

I've done before, with print parallel port mouth, can control the triode, then implement positive &negative, control relay on and off, for electricity is at full speed, if a second power outages, electricity 30 times, then power decreases, motivated in this way control frequency to achieve speed control