fan speed

Discussion in 'Programmer's Corner' started by samurai371, Apr 8, 2009.

  1. samurai371

    Thread Starter New Member

    Apr 8, 2009
    1
    0
    hi guys! i m new one here .i m undergraduate student. i have learned c++ a bit and given a project to control the speed of a fan using stepup motor via parrallel ports.plz do help me and give me the simple code in c++ for this project.
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    If by "stepup" you mean "stepper" motor, it won't move a lot of air. Most can do 5000 steps/sec, but it takes 200 steps/revolution.

    You may find it works better to have a driving circuit in place. The speed control is the pulse frequency from the port.

    Writing code helps you learn.
     
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