Last Updated on June 29, 2019 by technoreview85
It is an easy electronic project .here I am going to describe how to make a loud musical bicycle horn or bell.using this circuit you can make also an easy melodious calling bell
The main component of this project is a rom IC Um 66 or Bt 66 which generate the great beethoven fur elise music
You need to make
- UM66 or BT66 IC
- 5 Volt mini audio amplifier board
- Resistor 1 k,270K
- 3X AA battery & battery holder
- Push switch
- A plastic container
- Some wire
- U clamp
Connect all components as circuit diagram bellow
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