Sound Effects Generator


Posted on Feb 19, 2013

This circuit uses a UM3561 IC to produce four different sound effects. Nothing too complicated here. The IC produces all the sound effects, the output at Pin 3 being amplified by the transistor. A 64 ohm loudspeaker can be substituted in place of the 56 ohm resistor and 8 ohm loudspeaker. The 2 pole 4 way switch controls the sound effects.


Sound Effects Generator
Click here to download the full size of the above Circuit.

Position 1 (as drawn) being a Police siren, position 2 is a fire engine sound, 3 is an ambulance and position 4 is a machine gun effect. The IC is manufactured by UMC and was available from Maplin electronics code UJ45Y. At the time of writing this has no




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Xenon Strobe Light
    HiFI Headphone Amplifier
    TPA3007D1 Mono Medium Power Filter-Free Class-D Audio Amplifier
    emf meter project
    28 LED Clock Timer Circuit
    Rear Fog Lamp For Vintage Cars
    Controlling high-current circuits
    Automatic bathroom light switch circuit CD4022 composed



    Top