Touchless Door Bell Circuit Diagram. I strongly recommend to stay at home. When show our hand infront of ir sensor the sensor will send signal to arduino board.
When show our hand infront of ir sensor the sensor will send signal to arduino board. But we can t avoid some emergency visits to some homes. If the person is detected by the ir sensor then the doorbell will be automatically produces the sound.
Social distancing is the one of the best method to escape from covid 19.
The existing doorbell can convert to a touchless doorbell. 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. Relay is connected with doorbell. Here i connect more than one.
