Adafruit Piezo Buzzer (5 pack)

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Key Features Used for making beeps, tones and alerts Driven with 3-30V peak-to-peak square wave Petite but loud Includes FIVE piezo buzzers Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V peak-to-peak square wave. To use, connect one pin to ground (either one) and the other pin to a square wave out from a timer or microcontroller. For the loudest tones, stay around 4 KHz, but works quite well from 2KHz to 10KHz. For extra loudness, you can connect both pins to a microcontroller and swap which pin is high or low ('differential drive') for double the volume.Item Specifics5 - piezo buzzersDiameter: 11.90mm/0.47inHeight: 6.53mm/0.26inWeight: 0.70g/0.02oz Show more