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Trouble In Implementing 7 Rows And 40 Columns LED MATRIX DISPLAY. It Should Display The Latest 8 Characters Typed On The Keyboard.

Preeti Nesamony Nadar preeti.ndr08046@gmail.com

Hardware: Using 8051 Microcontroller I Need The Schematic Too.The Input Given Will Be From PC-AT Keyboard Input. Software: Embedded C Language

I have worked on 7 segment displays but this led dot matrix is quite different.Don't know how to start with it.Even if I get help on just displaying letters on 7rows and 5 columns display ,it would be really helpful!.

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