Arduino 7-Segment Display Counter This project demonstrates how to drive a 7-segment display using an Arduino. The display counts from 0 to 9, with each digit displayed for one second. Each segment (A ...

We were struck by how attractive [mircemk’s] Arduino-based frequency counter looks. It also is a reasonably simple build. It can count up to 6.5 MHz which isn’t that much, but there&#82… ...