Piezo Buzzer - PS1240

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Piezo buzzers are used for making beeps, tones and alerts. This petite but loud buzzer can be driven with 3-30V peak-to-peak square wave. Connect one pin to ground and the other to a square wave output from a microcontroller or timer. For the loudest tones, use around 4 KHz but it works well from 2KHz to 10KHz. For extra loudness, use both pins connected to a microcontroller and swap which pin is high or low, doubling the volume.View full datasheet here Drive voltage: 3-30V peak-to-peak square wave Optimal frequency for loudest tone: ~4 KHz Effective frequency range: 2 KHz to 10 KHz Technical Details Diameter: 11.90mm (0.47in) Height: 6.53mm (0.26in) Weight: 0.70g (0.02oz) RoHS 2 2011/65/EU and RoHS 2 2015/863/EU compliant. Show more