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Our Solution

Computer Processor
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Using the conclusion from the literature survey, we propose a smart IoT product that helps patients with mild to moderate symptoms employ self-care routines and consequently reduce infection rates. The main focus of the solution revolves around recording the ambient temperature, relative humidity, and the patient's vital signs like his pulse. As this data is recorded on the cloud, the ambient temperature and humidity of the room can be tuned to reduce COVID-19 air transmission, and the vital signs of the isolated patient can be studied by doctors and healthcare professionals to deduce if the patient's health is improving or deteriorating without actually coming in contact with the patient. Furthermore, a touch-based SOS-alert feature was also added that rings a buzzer for the aid of the isolated patient. 

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Algorithm:

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  • The battery is connected to two buck converters that convert the LiPo battery voltage into 3.3V and 5V. The 5V is supplied to the touch sensor and the pulse sensor, whereas, the 3.3V is supplied to the SAMW25 microcontroller as well as the SHTC3 temperature and humidity sensor.

  • The microcontroller acquires sensor data from the temperature/humidity sensor, the pulse sensor, and the touch sensor.

  • If the touch sensor reads HIGH, then it means that the patient has pressed the SOS panel, and hence, a buzzer sound is initiated for an interval of pressed time.

  • The pulse sensor data and the temperature/humidity sensor data acquired from the microcontroller are deployed to the cloud with the help of WiFi (WINC 1500) using the MQTT protocol.

  • Using Node Red, the healthcare professional can visualize the readings in real-time and keep a check on the quarantined patient.

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