The segment is a combination of 7 LED lines or segments. The segments of the display lights in different combinations to display Numbers from 0 to 9, the Arabic Numerals. The number is displayed by the code or any encoder-decoder IC which gives the command to light LED to make combination and display numbers.
16×2 LCD Display with I2C Interface
3.7V Lithium Ion Battery Level Indicator Module
Arduino Uno Prototyping Shield with 170 Point Mini Breadboard
0.96 inc Mini I2C IIC OLED Display Module
8×8 Dot LED Matrix Display (Big) 







