Four Tone Siren


Posted on Feb 6, 2014

The UM3561 contains programmed mask ROM to simulate siren sound. Power consumption of IC is low. It is powered by 3 Volt. One NPN Transistor is used for amplification of audio signal.


Four Tone Siren
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Tone generator with 555
    AVR terminal for serial port
    5x7 LED display schematic
    Music Instrument design
    Programable amplifier
    8051 Selling Leads
    Remote Alarm For Smoke Detector
    2 channel 100W min AF Power Amplifier STK4231II
    audio-circuits
    Basic Controls of a CRO
    Hobby-Servo Encoder Retrofit
    78xx Voltage Regulators
    Wideband FM Jammer



    Top