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Keypad with an Arduino

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Uploaded by on Sep 20, 2009

A little something I did with an Arduino, a Keypad and a speaker I ripped off from an old toy.

The "correct" combination of the keypad is "5-4-3-2-1".

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Science & Technology

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Standard YouTube License

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  • This is cool, so let me get this straight, you have a power supply for the keypad, but how many volts? And you have the speaker connected to the keypad? Or is it connected to the arduino? and finally how many wires do you have coming out of the keypad? Trying to build my own, just wondering. Thanks!

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