Vs6gy:
Watched a couple of 'demo's on You tube , "an LED string, lighting" seems it could be done with a simple multivibrator /astable/bistable , circuit, ??
Of course, but you know what they say about everything being a nail when all you have is a hammer.
The point of MCUs is that you can change (say) the timing by a quick change to a value in code without having to remove and replace resistors and caps and bugger around with their relative values until you get it right. And of course once you have one LED flashing properly you can just use the same few lines of code to do 10 more on other pins in no time flat.
but at the moment, I am beginning to wonder, if I am 'biting off more than I can chew'..??
Nope, never. Go for it....
73