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yeah Im using the pulse-width-modulation. But when I put faster timing the lamp just don't do anything, it stays off.

mmm i don't understand it's not working..

Im not able to make it work after multiple attemps..

Its only flashing the lamp always at the same intensity.. the intensity never change.

someone...

yeah I have an AC lamp connected. thats why im using the interrupt input!

yes you are right mats. thanks!

I have to put some On, Off and delays it should work!

something like that would work?

..

#INT_EXT
interruption_EXT()

thanks auralius!! i can detect my rising edge now!!

Now what do I have to write in my code if I want to change the intensity in my light? I have one output connected to my light

Hi im jenifer,

Im doing a light dimmer with a PIC16f877.
In my code i need to detect the rising edge of the scare signal thats enterring in my PIC. I don't know how to control the intensity of...