Learn how to make a simple musical bell using the UM66T melody generator IC.
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Learn how to make a simple musical bell using the UM66T melody generator IC.
The Melody Generator will play Beethoven's Für Elise when triggered since it uses the UM66T-19L. There are different versions of this IC, each configured to play a different tune.
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The UM66T otherwise known as the BT66T a CMOS LSI designed for musical applications and has an on-chip ROM containing a musical tune. The device has very low power consumption (around 180mW) since it is fabricated using the CMOS process. The IC includes an inbuilt oscillation circuit. Hence a compact melody module can be constructed with only a few additional components.
An input trigger enables the tone generator unit which in turn drives an external speaker unit. The tone generator unit consists of the Oscillator, Rhythm generator, Tempo generator and ROM. The oscillator frequency is used as a time for tone and beat generators. Its accuracy affects the quality of the music.
It's German for "For Elise". The song was written for a lady called Therese (nicknamed Elise) that Beethoven wanted to marry in 1810.
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👍 for spelling Für Elise correctly. On the mfr's data sheet, they call it For Alice, hahaha.