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 ...

I’ll list the items below. In this lesson we’re going to check out the 4 Digit 7 Segment Display Module, 5641AS common cathode type. I’ll step through the Elegoo provided tutorial, briefly explain the ...

A 4 bit seven segment LED display has 12 pins - four of those are used for selecting a digit and the rest are used to light up a particular part of the segment. Each segment has a letter assigned to ...

Just follow the schematic circuit diagram ... is added between ground rail (0V) and the common cathode pins (3 & 8). It is better to directly connect pins 3 & 8 of the display to ground rail. Next add ...