Non-contact infrared thermometer based on arduino

Yongkun Lin

doi:10.1117/12.3026720

15 March 2024 Non-contact infrared thermometer based on arduino

Yongkun Lin

Proceedings Volume 13075, Second International Conference on Physics, Photonics, and Optical Engineering (ICPPOE 2023); 1307527 (2024) https://doi.org/10.1117/12.3026720
Event: Second International Conference on Physics, Photonics, and Optical Engineering (ICPPOE 2023), 2023, Kunming, China

Abstract

A fever is a prevalent sign of numerous illnesses, such as the COVID-19 that ravaged a few years ago or influenza. The demand for non-contact body temperature measurement technology is increasing with the development of technology. Infrared thermometers may be a better choice for screening body temperature. However, multiple variables can impact the thermometer's measuring accuracy, such as the measurement distance, forehead contamination, and measurement position. To overcome these factors, this paper designed and constructed a digital infrared thermometer. The thermometer is based on an Arduino board and comprises a MLX90614 sensor, a LCD1602 display screen, and a MH- FMG buzzer and so on. The forehead temperature of 20 participants of different ages and genders was measured using an infrared thermometer and the data obtained was analyzed by drawing a linear fitting function. The performance of the final assembled thermometer was calibrated and verified by experiments. The infrared thermometer might achieve accurate forehead temperature measurement within a short distance (error less than or equal to ±0.3°C), which could be similar to the performance of commercial thermometers. The authors provided a simple, low-cost, and efficient solution for the development of non-contact body temperature measurement technology, which could have important significance and value for preventing and controlling infectious diseases caused by fever and ensuring public health safety.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yongkun Lin "Non-contact infrared thermometer based on arduino", Proc. SPIE 13075, Second International Conference on Physics, Photonics, and Optical Engineering (ICPPOE 2023), 1307527 (15 March 2024); https://doi.org/10.1117/12.3026720

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KEYWORDS

Temperature metrology

Infrared radiation

Body temperature

Liquid crystal displays

Sensors

Calibration

Infrared sensors

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