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 ...

This method only works reliably to light up a single LED at a time. With that in mind, [Alex] needed to have a very high “refresh rate” for his display ... with counter IC’s. The Arduino ...

We were struck by how attractive [mircemk’s] Arduino-based frequency counter looks ... a lot you can do even with that limitation. The LED display is decidedly retro. Inside a very modern ...

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...