UM3561 THREE SIREN GENERATOR (RC)

The UM3561 is a low-cost, low power CMOS IC designed for use in toy applications, and has on-board o

Unbranded UM3561 THREE SIREN GENERATOR (RC)

The UM3561 is a low-cost, low power CMOS IC designed for use in toy applications, and has on-board oscillator and selector circuits. Three siren sounds and an additional sound effect are selectable. This allows a very compact sound module to be easily constructed with only a few additional components.

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