There is one pin for the dot present on the bottom right of the display which comes handy when the value having decimal is to be displayed. Whereas the two pins are either anode or cathode and we can use any one of them. This segment comes in two configurations either common cathode or common anode and There are a total 10 pins of the module seven of which are for each segment of the display. We have given the image of the seven-segment display below from which you can have a clearer idea of what a seven-segment display is and also, we have given the schematic of the seven-segment display. Such a display is feasible in the projects like building a countdown timer, displaying the temperature, number of visitors or displaying the token numbers in the bank or in the hospitals. This display is small in size and we can also combine two or more displays if big numeric data is to be displayed.
Interfacing the 7 segments with Arduino Unoįrom the name we can say that this display is further divided into the seven segments used to display the numeric data of the Arduino code. Seven segment one of the displays used for displaying the numeric data of the Arduino program.
To display the parameters and the outputs of the Arduino code there are a number of display modules that are available which can be interfaced with the microcontrollers using the Arduino boards.
Displaying the outputs and inputs of the Arduino program are important as they help in understanding the working of the program.
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