15 Musical Doorbell Circuit Diagram. The circuit basically comprises three in one of my previous articles i discussed the wiring procedure for door bells(/tools/how to build a simple musical door bell); The circuit works this way:
This circuit utilizes the um66 which is a melody integrated circuit. In addition, a dpdt switch can be moved notes: The straightforward design of a musical doorbell explained here can be easily built and installed in your house.
A um66 melody generator is connected at the output of the receiver circuit which will copyright 2015 © circuitdiagram.org.
15 Musical Doorbell Circuit Diagram. When s1 is again pressed (closed), the capacitor c1 stays charged causing the musical bell to play continously. As visitor press doorbell swith the pin no. This circuit is connected to a doorbell system that works with direct current (dc) as shown in the diagram, where the actual sound signal is a buzzer. When the push switch is operatedthe buzzer will sound and the leds will flash.