How Did the Idea Originate
This idea came to me when I was thinking about an effective way to scan people whenever they are entering a public place.
How Does the Project Work
It works as whenever the device senses a person passing under the doorway it scans his/her temperature and if the temperature is more than 38 degree celsius the device rings a buzzer to inform the nearby people of a COVID-19 suspect and it also clicks a picture of the suspect so that the authorised people can check the image and look for the suspect.
The device focuses on one of the most reliable early indicators of infection: Fever. A study noted in the project shows that 91% of COVID-19 patients exhibit a fever in the first two days of infection.
- Sensing Zone: The DS18B20 sensor is positioned at the bottom of a junction box, facing downwards to monitor the thermal signature of anyone passing through the doorway.
- Threshold Analysis: The Arduino Nano is programmed with a critical limit of 38°C. If the sensor detects a temperature above this point, it identifies the individual as a COVID-19 suspect.
- Alarm System: Upon detection, a high-pitched Buzzer is triggered to immediately alert staff and people in the room to the presence of a symptomatic individual.
How was this project made
It is basically a simple setup of an arduino nano, a ds18b20 sensor and a mobile phone placed inside a box with the ds18b20 sensor sticking downwards out of the box and the mobile phone placed at an angle to click a picture of the suspect.
A unique feature of this build is the integration of an Android Smartphone:
- Security Angling: The phone is placed inside the enclosure at a calculated angle.
- Suspect Capture: When the Arduino's temperature threshold is triggered, it sends a signal (likely via a physical trigger or wireless command) to the phone to click a picture. This allows authorized personnel to review the image and locate the individual for secondary health checks.
- Enclosure Design: All electronics, including the phone and Arduino, are packed into a standard plastic junction box, making it a rugged, inconspicuous, and easily installable unit.
Applications of this Device
It can be used to detect COVID-19 positive people by sensing their temperature in the following places:-
- Railway stations
- School entrances
- Shop entrances
- Park entrances
- Airports
- Malls
- Subway entrances
- Metro trains
- Bus Stands
This device is designed for ultimate portability and rapid deployment. It can be utilized in:
- Retail & Commerce: Shop, mall, and subway entrances.
- Transportation: Railway stations, airports, and bus stands.
- Educational Facilities: Entrance gates for schools and universities.
A study shows that 91% of the total COVID-19 patients showed the symptom of fever in the first two days, so detecting fever is currently the most reliable way of detecting COVID-19.
By automating the "Screening" phase of public health protocols, this project helps reduce the burden on manual health workers while increasing the efficiency of social safety nets.