The LED segments of the display require current-limiting resistors when powered from a 5 V logic pin. The value of the ... Next is the Hookup diagram of the Arduino 4-Digit 7-segment LED Display, ...

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 ...