up down counter without microcontroller, up down counter with 74LS192, up down counter with 7447, up down counter without controller, up down counter with 7 segment display Hello geeks, welcome to our new project. In this project, we are going to make a very interesting project. I think most of us have seen the scoreboards in sports, after looking at that, have you ever wondered about the working of it. Therefore, this time, we will be making something like that only ....