This speaker can emit a variety of sounds like a car horn, doorbell and ignition . The different sounds are based on the frequency of the input signal.
You can supply different frequency signal to this module with Arduino. Arduino generates these signal via PWM or even digital write and delay (please check arduino code below)
- Adjuatable voice level (using potentiometer)
- Working Voltage: 5 V
- Bandwith: 20 Khz
- Speaker module
- 4 pin wire connector