7-Segment Display – Introduction, Types and Interfacing with Arduino
What is a 7-Segment Display?
A 7-segment display is nothing but a pack of seven LEDs connected together where each LED is known as a segment. All of them can be controlled individually.
You might be wondering how these seven LED’s are connected together to work as a display.
Let me explain,
There are two 7-segment LED display configurations,
Common Cathode
Common Anode
(We will discuss these configurations later in this article.)
7-Segment displays are available in various colors (Red, Blue, and Green) and sizes (0.56 to 6.5 inches). Sometimes two to four 7-segment displays are packed together to form a big display
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