Musical Door Bell Circuit Diagram. This featured circuit is a musical doorbell. Musical doorbell circuit with many melodies christmas carols big ben and more.
As seen in the diagram the main stages of the circuit is built in inside the musical chip in the form of oscillator frequency divider drive rom a rom having 512 musical tunes a tone generator rhythm generator timbre generator modulator run off control and a pre amplifier stage. Musical doorbell circuit diagram. After the button s1 is pressed a short melody is played.
It is intended for applications such as toys door bells music boxes melody clock timers and telephones.
The circuit for the musical doorbell can be seen below and is relatively simple. As pointed above at the heart of the circuit is a very old melody generator chip the bt66t ic2. Musical doorbell circuit with many melodies christmas carols big ben and more. It is intended for applications such as toys door bells music boxes melody clock timers and telephones.
