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Description: UM66 or BT66 is a musical IC. The following circuit generates a melody using UM66. This module can be used in a number of projects like, light operated musical bell, remote bell, infrared based music transmitter and receiver, etc. 

In this particular project module, whenever the tactile switch is pressed, the circuit starts playing music. Datasheet of UM66

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5 COMMENTS

  1. Hi

    I would like to know where can you buy a 10R ohm and 100R OHM resistors on the web
    please let me know as soon as possible.

    thanks

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