Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push button increment of the counter from 0 to 9. The whole circuit can ...

Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...

With 4*7+2 = 30 units you can make a 4-digit 7-segment clock. Report comment. Reply. ... Your last one of these wasn’t the 48 Arduino thing but my 840 segment display, ...