Passive buzzer module
The KY-006 Module consists of a passive piezoelectric unit, it can generate tones between 1.5 to 2.5 kHz by switching it on and off at different frequencies either using delays or PWM.
This buzzer is different from an active one, where an active buzzer will make a beep on its own thanks to the build-in frequency generation board an passive one needs your microcontroller to create the sound frequencies. In short, if you just need a beep then you use an active buzzer module if you want to create melodies etc. you need a passive buzzer module.
Passive buzzer module Quick Spec
- Operating Voltage: 1.5 – 15V DC
- Tone Generation Range: 1.5 – 2.5kHz
- Dimensions: 18.5mm x 15mm