This is an oldie, but oh, man is this ever good. It’s a Nixie clock made without a microcontroller. In fact, there aren’t any logic chips in this circuit, either. As far as we can tell, the logic in ...

The main intention of this circuit is to build a system wherein the number of persons entering or leaving a room has to be displayed on a screen. This is one of the best and very useful circuits in ...

Designed a 4-bit counter using a J-K flip-flop that has a clocked input with reset. Performed simulations of various output parameters like rise time and fall time. The design is done using cadence ...