![]() The scanned temperature can be viewed in the blynk app. So, an IoT-based Contactless Covid-19 doorbell is designed to act as a doorbell and also scan the temperature of the person. Checking the person’s temperature manually is simple, however it is not safe if the other person has this infection. In recent days, checking the temperature is mandatory, since fever is one of the foremost symptoms to sense the presence of this virus. As this virus is widespread, necessary precautions are not being taken by the people. A motor, a lamp, or any other mechanical or electrical load can be used as the output load.Ĭurrently, Coronavirus has become a global crisis, affecting countries all over the world. An electronic control assembly controls the output load via a password in such an automatic lock system. If the password is incorrect, the door will remain closed, denying the person's access. If another individual arrives, it will once again prompt you to input the password. This system uses an 8051 microcontroller to illustrate a password-based door lock system, in which the door is unlocked and the concerned individual is granted entrance to the secured area once the correct code or password is entered. A motor, a lamp, or any other mechanical or electrical load can be used as the output load. The simplicity and high efficiency of these unique lock systems are two of its most obvious advantages. These approaches are highly clever and combine mechanical and electronic devices. Traditional lock systems that use a mechanical lock-and-key mechanism are being phased out in favour of more modern locking mechanisms. Password Based Security Lock System The Password Based Door Lock System with the 8051 Microcontroller is a simple project that uses a secure password to unlock the door. Smart Door with Face Unlock The description for each one of these is given below.Face Recognition Door Lock System Using Raspberry Pi. ![]() RELATED WORK The existing systems we considered for this study, include: The Door Security System is available on Android and iOS. Blynk is a communication protocol that is used between a smart phone and a door lock system. Door Security System application uses ESP32 CAM and Internet of Things (IoT) technology to monitor the status of the door. It has a built-in Wi-Fi ESP32 S processor with two high-performance 32-bit LX6 CPUs and a 7-stage pipeline architecture. The AI-Thinker ESP32-CAM module is a low-cost development board with a micro-SD card port and a small (OmniVision's) OV2640 camera. In this article, we'll use the Espressif Systems' Camera (ESP32 CAM) to create an IoT-based Wi-Fi Door Lock system. Using these diverse technologies, we have previously built a number of digital door lock applications. A digital lock does not require a physical key to operate, instead relying on Radio-Frequency Identification (RFID), fingerprint, Face ID, pins, passwords, and other methods to do so. Digital door locks have grown quite prevalent in recent years as technology has advanced and the use of IoT has increased. INTRODUCTION Anyone nowadays is concerned about security, whether it is data security or the security of their own home. Keywords-IoT based door lock, Wi-Fi lock system, House security, ESP32 Camera, Blynk, TCP/IP I. Blynk is a communication protocol that connects a smartphone to a door lock system and is used to increase the security of a home. The proposed Door Security System application uses Wi-Fi Door Lock with ESP32 CAM and Internet of Things (IoT) technology to monitor the status of the door, manage the door, and increase security in a home. The owner can also unlock the door from a mobile phone after checking the photo. In this simple working model, when a person hits the doorbell, the owner receives a notification on his/her phone with a photo of that person. In this paper, we have presented a smart Wi-Fi Door Lock using the ESP32 CAM and the Blynk App. However, owing to a rush when leaving the house, the house owner may forget to lock the door, or they may be unsure if they have closed the door or not. ![]() To keep the residence secure, the owner will keep the door locked at all times. In terms of house security, the door is crucial.
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