Doorbell Circuit Diagram Simple. There are two switches s2 and s3 for front and rear door respectively. This is an easy to make electronic doorbell circuit.
This is the most basic doorbell setup option. Double doorbell push buttons with a single chime. The working principal of the circuit doorbell is simple.
Connect one wire from each button to one of the chime contacts.
A doorbell circuit for two or more doors will have a separate contact on the chimes for each door button included. This is the most basic doorbell setup option. The bc547 transistor along with the associated preset and the 100uf capacitor form a simple delay off timer circuit where the preset and the capacitor determines the delay for which the sound output may be sustained once the indicated push button is pressed momentarily. The s1 is open the circuit act as a two way doorbell.
