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Questions tagged [piezo]

refers to the prefix of Piezoelectricity.

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Push-Pull tone code

I wanted to use a piezo sounder to sound an alarm in an application. Testing indicated that tone() was not very loud. I could use some external circuitry to swing the pins ±5V but as I have plenty of ...
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Why is the piezo buzzer not looping/making sound? [closed]

/* */ void setup() // Built in initialization block { Serial.begin(9600); Serial.println("Beep!"); tone(4, 3000, 1000); // Play tone for 1 second delay(1000); // Delay to finish tone } void ...
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1answer
442 views

My Arduino Uno buzzer isn't working [duplicate]

/* */ void setup() // Built in initialization block { Serial.begin(9600); Serial.println("Beep!"); } void loop() // Main loop auto-repeats { // Serial.println("Beep!"); tone(4, ...