The 4-Digit 7-Segment Display is a self-contained module containing four 7-segment LED numeric displays. This module is a very simple common cathode display can easily interface with any microcontroller development board.
Features of 4 Digit Seven Segment Display Board (Common Cathode):
- 4 multiplexed displays.
 - Easy to interface..
 - Long lasting..
 - Operating voltage-3v to 5v.
 - Applications of 4 Digit Seven Segment Display Board (Common Cathode):
 - GSM based digital notice board..
 - Password based door lock system.
 - RF based employee counter.
 - DIY projects with 4 digit numeric display.
 




