Simple Doorbell Circuit Diagram. This is the most basic doorbell setup option. He begs me helps to seek electric bell front door circuit.
As the name suggests the function of this stage is to produce a certain time delay for keeping the music or the output audible even after the call bell button is released and the power to the circuit is switched off. Simple doorbell circuit diagram and schematic using um 66 ic which is a music sound generator. The diagram above depicts the proposed musical door bell circuit the various stages may be understood with the following explanation.
The sound output from the ic can t however drive a speaker directly as this puts strain on the device.
Connect the input wires on the transformer to the source circuit using the black to black white to white and ground to green method. In this case circuit act as a two way doorbell with memory that is the audio alarm indicates whether the visitor is calling from the front door or from back door. Because of use ic ne555 produce electric bell sound and use ic lm386 for amplify talk at one time. The circuit is quite simple and low cost one but provides very good results.
