This was my second attempt of playing around with an Arduino. This time I connected a piezo crystal to the output connections. I used this to play a melody which I programed the board to play and I used an empty coffee cup as an amplifer. Fun, Fun, Fun...
My next experiment, I would like to have three piezos connected and program the board so that each piezo would play part of a melody, so that all three would play in harmony. Again I would use empty cups as amplifiers.
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