A counter of seconds with two integer values and two fractionary values using four SSDs (Seven Segment Display) and the Arduino's Timer2. It also has a digital output to show as a PWM the period that ...

The idea behind this project is to have a universal-ish and relatively simple Geiger counter that can be built with cheap and easy to find components. If you are new to this subject since we are ...

Have you ever noticed how shopping malls, parking lots, or event venues seem to track the number of people or cars present inside? You might think they use an AI camera to count them, but in reality, ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...