PIC18f2455 blink


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  1. #1


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    when I connect Led to MCLR it work but with very low brightness, nothing happened to portb.0
    Last edited by iugmoh; - 4th March 2008 at 22:02.

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    Quote Originally Posted by iugmoh View Post
    yes it work but with very low brightness
    What works?
    MCLR or PortB.0?
    Does it flash?
    What's the value of your resistor?

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    oky , I connect MCLR -------> led through 470 ohm resistor , the brightness is very low, nothing happened to portb always off

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    Quote Originally Posted by iugmoh View Post
    oky , I connect MCLR -------> led through 470 ohm resistor , the brightness is very low, nothing happened to portb always off
    The point of the LED on MCLR was to make sure that MCLR was actually getting pulled up to +5v.

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