How could a redesign this circuit so that it flashes at 2HZ for a period of 5 seconds, using only digital logic gates as active components (not a 555-timer chip)?
the circuit:
https://drive.google.com/file/d/1FuIlkE7T8mI8YZsTnU7Lhd2RDg0RdZMa/view?usp=share_link
