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 ...

About An very lightweight Arduino library used to easily control common cathode 4 digit 7 segment displays. Informations on how to setup in README.

The Arduino 4-Digit 7 Segment Counter project utilizes an Arduino board and a 4-digit 7 segment display to create a digital counter. The counter starts from 0 and increments up to 9999, displaying the ...