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3 Tune Musical Bell DIY Kit


GST 18% extra
Model: SYN-9068
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Three Tune Musical Bell is a simple and low cost melody project. It results in very low power consumption, since the UM 66T series include oscillating and mode selection circuit, a compact melody module can be constructed with only a few additional components.


Working/About the Circuit:

The circuit uses UM 66T having 64 note ROM memory, which is capable to store three different tunes. The supply is given to IC through a switch S1. When the switch S1 is pressed, it will on the IC. The output of IC is in terms of sound.Transistor T1 is used for amplifying the signal and to drive the speaker. Capacitor C1 is used as a filter capacitor. The power consumption of circuit is very low. It will work on supply of 3 volt.


  • DoorBell
  • Telephone
  • Toy Applications etc.

Note:  This kit comes unassembled, User can assemble easily with the included user guide.

  • Model: SYN-9068

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This product was added to our catalog on Friday 29 December, 2017.


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