16 Tune Doorbell circuit
Electronics project Electronics tutorial

Musical Doorbell Circuit Diagram with 16 Tune

Introducing the musical 16 Tune musical doorbell circuit diagram, it produces a different musical tune each time the bell push button is pressed. The bell produces a total of 16 tunes which follows successively.

Music Doorbell is a harmonious fusion of functionality and creativity that transforms the mundane act of answering the door into a delightful symphony for the senses. Unlike conventional doorbells, this innovative device offers a customizable array of melodies, tunes, and sounds, allowing homeowners to select their favorite musical accompaniment to greet their guests. Whether it’s the soothing notes of a classical masterpiece, the upbeat rhythm of a pop hit, or the tranquil melodies of nature, the Music Doorbell offers a diverse selection to suit every preference and occasion.

Not only does the Music Doorbell enhance the auditory experience of welcoming visitors, but it also adds a touch of personalization to the home environment. With its sleek design and intuitive controls, homeowners can effortlessly tailor the doorbell’s sound profile to reflect their unique tastes and personality. Additionally, advanced technology ensures reliable performance and seamless integration with existing smart home systems, offering convenience and peace of mind.

The circuit is based on a CIC4822 LSI read only memory chip which contains a complete marked ROM, envelop, preamp etc., and requires just four external components besides the IC. The two resistors and the capacitor complete the oscillator circuitry and set the frequency. The transistor provides amplification.

They can work up to voltage of 5 volts. It draws only around 500 uA quiescent current and needs no on/off switch.
The complete circuits would build up into a module small enough to fit into virtually any type of enclosure.

Doorbell circuit diagram:

musical doorbell circuit diagram
musical doorbell circuit diagram

Components for Doorbell Circuits:

IC 4822
Q1 2N3904
R1 10k
R2 100k
C1 47pF
LS 8 ohms 0.5 watt speaker
IC socket
S1 push button
Batteries (3 x 1.5 volts)

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