Description
Need to add muzic tone to your project, the passive buzzer is what u need. A passive buzzer requires an AC signal or PWM to make a sound. It is like an electromagnetic speaker, where a changing input signal in different frequency, it produces the sound, rather than producing a fix frequency tone automatically like active buzzer.
An active buzzer will generate a tone using an internal oscillator, so all that is needed is a DC voltage. A passive buzzer requires an AC signal to make a sound. It is like an electromagnetic speaker, where a changing input signal produces the sound, rather than producing a tone automatically.
Specifications
– Buzzer Type: Passive Buzzer
– Supply Voltage (VCC): DC 3.3V to 5.5V
– Signal: PWM Signal
– Tone Generation Range: 1.5 ~ 2.5kHz
– Pinout: VCC, I/O, GND
– Size: 33x13x10mm
– Weight: 3g
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