I hooked up a matrix keypad and I am ready to go, but I am getting an error in the code that I am using from http://arduino.cc/playground/Main/KeypadTutorial I get the error: "Matrix_Keypad:29: error: 'Keypad' does not name a type Matrix_Keypad.cpp: In function 'void loop()': Matrix_Keypad:41: …

Keypad Setup Code - Newbie needs help!

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