Perancangan Dan Analisis Termometer Digital Berbasis Arduino Menggunakan Sensor MLX90614 Dan Uji Ketepatan Kalibrasi Untuk Mengukur Suhu Tubuh Manusia

Rosyida, Husna Nifa (2024) Perancangan Dan Analisis Termometer Digital Berbasis Arduino Menggunakan Sensor MLX90614 Dan Uji Ketepatan Kalibrasi Untuk Mengukur Suhu Tubuh Manusia. Undergraduate Thesis thesis, Institut Teknologi Telkom Purwokerto.

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Abstract

Patients in medical environments often require accurate and non-contact body temperature measurements to ensure proper condition monitoring without contamination risk. For this purpose, we designed a digital thermometer based on Arduino using the MLX90614 sensor, which measures temperature based on infrared radiation. This study aims to compare the calibration accuracy between the Arduino-based digital thermometer and commercial digital thermometers under different temperature measurement conditions. We conducted a series of tests covering various temperature ranges and factors such as initial calibration, operating environment, and calibration methods. The results of this study provide a comparison between the Arduino-based digital thermometer and commercial digital thermometers in the context of calibration. The study found that the Arduino-based digital thermometer with the MLX90614 sensor demonstrated better calibration accuracy compared to commercial digital thermometers. The average error produced by the Arduino-based thermometer was 0.1338%, while the commercial digital thermometer had an average error of 0.3731%. These results indicate that the Arduinobased thermometer has smaller and more consistent errors, making it more reliable for medical applications, especially in clinical environments where accuracy is crucial. In conclusion, the Arduino-based digital thermometer with the MLX90614 temperature sensor is reliable for accurately and non-contactly measuring body temperature. Keywords: Thermometer calibration, digital thermometer, commercial thermometer, Arduino, microcontroller, accuracy comparison.

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