Abstract:
COVID 19 has made a huge impact on the society; the new restriction has been imposed as in the number of users allowed in a particular room in offices, shops, etc. to maintain social distancing, along with social distancing regular temperature check at entrances of malls, the office is mandatory. In this project we stimulate a room where such necessary precautions are taken, we make use of a Temperature sensor to detect the entrance of a person, when the project detect entrance it will check the temperature of the person if the temperature is less than the set temperature the person is allowed entry otherwise the entry is denied. Only a pre-determined number of people are allowed in the room. The allowed temperature, the number of people allowed in the room as well as the number of people actively present in the room can be set/viewed using a Bluetooth App.
Introduction:
Since the last days of the previous year, the occurrence of novel infectious flu-like respiratory disease COVID-19 caused by SARS-Cov-2 virus (also known as corona virus) has affected almost every aspect of people’s lives globally. First, it was discovered in China, but spread quickly to other continents in just few weeks. According to [1], until July 11th, 2020, the total number of identified cases was 12,653,451, while taking 563,517 lives worldwide. Common symptoms of corona virus disease include fever, tiredness, and sore throat, and nasal congestion [2], loss of taste and smell [3]. In most cases, it is transmitted directly (person to person) through respiratory droplets, but also indirectly via surfaces [4, 5]. Incubation period could be quite long and varies (between 14 and 27 days in extreme cases) [6, 7]. Furthermore, even asymptomatic persons (almost 45% of cases) can spread the disease [7] making the situation even worse. Therefore, the usage of face masks and sanitizers has shown positive results when it comes to disease spread reduction [8]. However, the crucial problem is the lack of approved vaccine and medication [9]. Due to these facts, many protection and safety measures were taken by governments in order to reduce the disease spread, such as obligatory indoor mask wearing, social distancing, quarantine, self-isolation, limiting citizens’ movement within country boarders and abroad, often together with prohibition and cancellation of huge public events and gatherings [10]. Despite the fact that the pandemic seemed weaker at some points, most of safety regulations are still applied due to unstable situation. From workplace behavior to social relations, sport and entertainment, corona virus disease poses many changes to our everyday routine, habits and activities. In this paper, cost-effective IoT-based system aiming to help organizations respect the COVID-19 safety rules and guidelines in order to reduce the disease spread is presented. We focus on most common indoor measures - people with high body temperature should stay at home, wearing mask is obligatory and distance between persons should be at least 1.5-2 meters. For the first scenario, Arduino Uno microcontroller1 board with contactless temperature sensor is used.
System Requirements:
Hardware:
1. Arduino Controller
2. Temperature Sensor
3. IR Sensor
4. LCD Display
5. Driver Circuit
6. DC Motor
7. Bluetooth (HC-05)
8. Jumper Cables
Software:
1. Arduino IDE
2. Embedded C
3. App
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