Hi there... I have a 4x6 button matrix that leads out to a 10 pin ribbon cable. I have the datasheet and how it works is each button closes two of the leads on the ribbon cable so you can see which button was pressed. How would you read the buttons if you plug it directly into the Arduino's digita…

4x6 button matrix. How do you read directly?

John_Smith November 14, 2012, 2:03am 2

There is a simple library keypad.h to do this

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