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Matrix keypad with 7 segment display (Arduino mini project)

Matrix Keypad

3x4 Matrix keypad connected to an arduino. Displaying results of key pressed on a 7 segment led display via 74HC595 shift register which reduces the required pins of the 7seg display from 8 to 3.

Learn More about about Matrix Keyboards on Arduiino Playground

Learn More about using the 74HC595 ...

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