COURSE GOALS: Cover the digital design knowledges on combinational logic circuit, sequential logic circuits, logic optimization, finite state machine design, counter and programmable logic, etc. The ...

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 ...

This frequency counter is [Miguel Pedroso’s] entry in the 7400 Logic contest. After looking at the design we think this is a perfect project for those who have not worked with logic ICs befor… ...