In our last tutorial, we discussed about the 7-segement Display in detail. In this tutorial, we will learn and see how to use a 4 digit 7 segment display with Arduino. Related post Interfacing 4-Digit 7-Segment Display with PIC Microcontroller Microcontroller 8051 : Interfacing 4-Digit 7-Segment Display Digital Clock with 4-digit 7-Segment Display This types