> Thank you everyone for your help and suggestions, sounds like isolating
> the circuit wins the votes. Steve w.r.t. using a 6 v transformer, I'm
> not sure this helps since the pic is driving a triac which is
> controlling lights running on mains. 
Personally i wouldn't have the triac circuit live when doing the pic development work unless I had a good reason to. Working live on mains stuff is something that should only be done when there is no other way of performing the tests required.




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