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Resistor in connection of seven segment display
Title
Question
What is the purpose of resistor in connection of seven segment display and how to connect the resistor. How to identify common anode and common cathode Seven Segment displays.

Arduino Electronic-components-and-connections 08-09 min 40-50 sec 18-05-19, 8:58 p.m. rajendrasoni86

Answers:


In the tutoiral, at 3.25 it is explained why a resistor is required.

On one side of the seven segment component, it will be specified as CC for common cathode or CA for common cathode.

For example:

SUN056CC - The last digit says *****CC. This denotes common cathode.

SUN056CA - The last digit says *****CA. This denoted common anode.

27-05-19, 12:46 p.m. NirmalaVenkat

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