What's the voltage on output pin when it's HIGH?

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  1. - 22nd April 2008, 21:20 #1
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    TonyA
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    Default What's the voltage on output pin when it's HIGH?

    Hi,

    I was wondering what voltage is produced on an output pin when it is toggled "HIGH"?

    I always assumed it was 5V, but when measuring it was only 1V, I wondered if my meter is off.

    I am looking for a way to produce a TTL level output pulse; 5V (and 0V) (Similar to the output of a Schmitt Trigger Pulse Oscillator or a 555 timer IC)

    Would I need a transistor for this, or can I just use the Pic by itself?

    Thanks for any advice.

    T
    Last edited by TonyA; - 22nd April 2008 at 21:29.
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