Description
The UM66 / BT66 Melody IC is a CMOS LSI (Large Scale Integration) designed to generate musical tones. The IC contains a built-in oscillator and a ROM (Read-Only Memory) that stores the melody data. When powered, the IC plays a specific melody continuously or just once, depending on the circuit configuration. The output can drive a small speaker directly or be fed into an amplifier for louder sound.
The IC is extremely easy to use, requiring only a few external components, making it ideal for low-cost, simple melody generation applications.
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