Development of IoT based covid-19 non-contact thermometer

Selamat, Muhammad Nur Hishamuddin (2021) Development of IoT based covid-19 non-contact thermometer. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Due to the spread of COVID-19 across the world and the increased need for non-contact thermometers to prevent the spread of disease, a new electronic thermometer has been designed and implemented for measuring human body temperature from a distance. This device is currently in use at building entrances to measure the body temperatures of employees, students, and customers. Due to the disadvantages of traditional mercury thermometers, such as longer measurement time and necessity of contact with the human body, a thermometer that uses infrared sensors to detect temperature without contact is designed. The Infrared temperature sensor MLX90614 is designed to collect human or object temperature by the NodeMCU to process the temperature into the LCD display, alarm when over-temperature and recorded in Google Sheet. To overcome such factors, we describe the assembly of a NodeMCU based digital IR thermometer with distance correction using the MLX90614 IR thermometer and HC-SR04 ultrasonic sensors.

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