• Vishwesh Pratap Singh
• Ms.Shefali Raina
• Md.Sajid Akhtar
• Sidhant Ranjan Rishabh
• Ajab Singh

Social distancing is one of the best methods to escape from COVID-19. We strongly recommend everyone to stay at home. But we can't avoid some emergency visits to some places. When we arrive in front of a house, the first thing we search for is the doorbell and then press the doorbell to let the person inside know about someone’s presence. But in this pandemic situation, the traditional doorbell can cause the virus to spread through touch. If an infected person touches the doorbell, the virus from the infected person remains on the doorbell for a long period of time. So, if some other visitor visits & rings the doorbell, he/she would have a high risk of coming in contact with the virus through touch. We can avoid this danger by using contactless doorbells outside our houses using IoT. The traditional doorbell can be converted into a contactless doorbell. In this, we have used the Arduino board along with Ultra Sonic Sensor HC-SR04 to make the doorbell smart where Ultra Sonic Sensor can sense the presence of a person and send the signal to the Arduino Board, and then Arduino Board reserves the signal and sends it to the Servo motor where Servo motor can rotate 90 degrees to press the switch of the traditional doorbell. We set up this IoT-based product over a traditional doorbell so its cost efficient. Also it’s a great help to prevent further spreading of virus.

IoT , Covid19 , Arduino Uno , Ultrasonic Sensor HC-SR04 , Servo Motor , Contactless Doorbell , Switch , Virus

"Contactless IoT Doorbell", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 5, page no.j33-j37, May-2022, Available :http://www.jetir.org/papers/JETIR2205A05.pdf

"Contactless IoT Doorbell", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 5, page no. ppj33-j37, May-2022, Available at : http://www.jetir.org/papers/JETIR2205A05.pdf