(Bipolar NE555’s are typically two orders of magnitude ... Do these modern takes on the classic timer IC give you any ideas for new applications, or improvements to an existing 555 hack?

And of course, if an ATtiny was used, there should have simply been a 555 timer. This time ... [Tim] has on hand makes use of two main ICs: a NE555 and a CD4017 which is a decade counter/divider ...