Make A Guess Game
Derived from a Forrest M. Mims, III project, our Make a Guess game adds a 7-segment LED display for helping you visual your numerical guess. Here’s how it works: After you install your alkaline batteries and flick the power switch (S1), you press the button (S2) for sending a pulsing signal from the timer (NE555) to the “up” counting input of the 4-bit up-down counter (74LS193). This input triggers the 74LS193 into a counting mode where it counts upward between 0-15 and then recycles until you release the button (S2)....