Hey, I'm new to electronics, and for one of my projects, I'm supposed to design an Ultrasonic Rangefinder using Analog components only!
The components include the 555 timers, SN74HC chips (specifically the 4 bit counter), 7 segment display and etc.
Most of the guides I have found online use an...
Hi, I'm a beginner for the digital circuit. Recently I encounter a problem when trying to implement a 4-bit counter by using Quartus. Following are my diagram and simulation outcome, the problem is why the simulation is not correct? I hope someone can help me, thanks!