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Topic: Question about piezzo buzzer (Read 1 time) previous topic - next topic


Hi,i am just curious to know why is the sound different (louder?) when the hole on the buzzer is obstructed.



Code: [Select]
void setup()
  pinMode(2, OUTPUT);

void loop()
  tone (3,1000,100);
  digitalWrite(2, HIGH);
  delay (500);
  digitalWrite(2, LOW);
  delay (500);


Probably the piezo is reflecting the sound into the breadboard which then becomes a sound board.
Note, you are calling this a piezo buzzer, is this a buzzer or a piezo speaker?
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