Keypad kpd = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS ); The above line works in arduino-0018, but not in arduino-0021. In arduino-0021 it says that: 'Keypad' does not name type. How would I fix that?

Quick Keypad Update Help

robtillaart January 20, 2011, 6:15pm 2

Can you show the whole code?
Maybe there is a library missing - Arduino Playground - KeypadTutorial - and - Arduino Playground - Keypad Library - as it is not installed by default.

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