Interface a Seven Segment LED display to an Arduino Uno R3 For many Embedded system applications, there is no need to use an expensive LCD for display purposes, even a simple Seven Segment display can do the work. Yes, for many Arduino and Embedded system applications if your aim is to display just the numbers, then you should most probably use a Cheaper 7 segment display. You can lower down the cost of your project by using a 7 Segment display instead of an LCD display. Moreover, Using a 7 segment display is much easier than an LCD. Fig.1 and 2 displays the image of a Seven 7 segment LED display. Fig. 1 Front view of 7 Segment Display Fig.2 Side View of 7 Segment di...