pulse counter


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  1. #1
    Join Date
    Sep 2004
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    montreal, canada
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    Default Re: pulse counter

    pretty much it

  2. #2
    Join Date
    Mar 2011
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    Los Angeles, California
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    Default Re: pulse counter

    Hi Daydream,
    I am not sure if your drawing is complete (showing all components) or just simplified and if it is complete then you are missing the filter / anti-oscilation capacitors at the output of the 7805. Typically, at least a 1 uf tantilum capacitor is necessary and it does not hurt to add a .1 uf and then some larger value (greater than 10 uf). If it helps, usually pin 4 (MCLR) is tied to +5v thru a 10k resistor as Mister_e pointed out. Best, Ed

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