0-10v dc

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  1. - 17th October 2008, 13:14 #12
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    naga
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    Quote Originally Posted by Melanie View Post
    naga

    If you use a PIC with Hardware PWM (eg 16F628) then varying the Duty in steps of 10% from 0 to 100% (see HPWM command) will give you your ten steps. A simple filter on the output will then give you ten voltage steps from 0v (0%) to 5v (100%).

    I recall posting a circuit for an Op-Amp Voltage Doubler some time back. Do a forum SEARCH, stick that on the end of your filter and presto - you got ten steps of 0-10v.
    Hi, Could you please guide me If a 4MHz oscillator and 16f877a are used. want to control with UP and Down Buttons(10 steps)

    Example: (Porta.0)

    PWM PORTA.0,127,10 ?

    Thank you.
    Last edited by naga; - 17th October 2008 at 14:01.
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