In many cases, a doorbell that sounds off a musical tone is preferable over the common buzz sound. This featured circuit is a musical doorbell. After the button S1 is pressed, a short melody is played ...

Switch the power on again to the circuit breaker and give the doorbell button a push. Both should ring loudly. If the new one does not work, make sure the connections are tight.

Can't hear the doorbell from the back of the house? It's easy to correct that by adding a second doorbell chime.