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Example code for creating musical New Year effects with Arduino and a piezo buzzer. #define NOTE_C4 262 #define NOTE_D4 294 #define NOTE_E4 330 #define NOTE_G4 392 #define NOTE_A4 440 #define NOTE_B4 ...

After uploading the code the Piezo will start making short beeps. On bright light the Piezo will only beep and on dark light it will be short. Some ideas for this experiment: Alarm for Lights in the ...