How to deal with 4 digit 7 segment display

This is a basic 4 digit 7 segment display. this display have two types(common anode and common cathode). In this instructable I'm going to tell how to display charactors in this disply. I'm not using any other IC or controler circuit fro this project (Only Arduino UNO Bpard). Conecting pins to Ar...
By: ErangaG

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from Instructables: exploring - technology - robots http://ift.tt/1MBTbNS

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