I think this approach was in your first posting already. So what had been the problem in the first place? Not knowing that CMOS versions of the 555 existed?
In fact as you might have seen, I also do not like something containing a 470uF 
I think this approach was in your first posting already. So what had been the problem in the first place? Not knowing that CMOS versions of the 555 existed?
In fact as you might have seen, I also do not like something containing a 470uF