This circuit is created the small siren sound which contain 6 differences sound. User can be selected the type of siren sound as satisfied. It is suitable for toy or other noiselessly siren circuit.
Technical Specification
- Power supply : 3-6VDC.
- Electric current consumption : 5mA. (standby), 75mA. (working) @ 3VDC.
- There are 6 siren sounds available.
- The siren tone can be adjusted.