Product Description

The Simple Musical bell uses IC 555 timer that operates in monostable mode. The circuit uses IC called UM66 which is a Musical IC and produces a melody sound at the output using speaker. As the switch is pressed the 555 timer gets activated and speaker produces sound for at least 15-20sec.
Product Features

• Musical bell sounds for atleast 15-20 seconds.
• Safe and easy to perform.
• Descriptive operating manual with procedure.
• Circuit diagram with PCB Layout for better understanding.