Hello Jim,

You said :
> <snip>
> >
> >12C509s seemed a good value at aboout $3USD total.  But I don't see how
> to
> >make them work now that I figured out they lack interrupts.  A 16C62 will
>
> You have an interrupt -> MCLR on pin 4!
>
        Is it possible to drive this Reset-interrupt pin by the timer (if
you can afford an external Pin out to drive it ?)

        Any experience on this topic ?

        Thanks

        Jean-Yves