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Hi guys, well bought this keypad, and wasn't exactly sure how to wire it up, because the pins aren't in order! well, I will give you a schematic, ...
The image says it all... the resistors can be anything betwen 1Kohm, and 10Kohm. they go from pin 3, 5, 6 and 7 to +5V.
Removed directly from the arduino.cc website, the only mod, was the pins i chose... the code is attached, instructables won't let me paste it onto here for some ...
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