SMART INFRARED THERAPY: OPTIMALISASI TIMER DAN SENSOR IOT UNTUK EFEKTIVITAS MAKSIMAL DALAM PENGEMBANGAN ALAT ELEKTROMEDIK

Mhd Aldi Primasyukra, Sri Ulina, Sharfina Haslin, Muhammad Fahri Syahputra, Roma Kristian Malau

Abstract


Infrared therapy is widely used in medical rehabilitation; however, uncontrolled temperature, distance, and duration may reduce its effectiveness and increase patient risk. This study aims to implement a Smart Infrared Therapy system based on the ESP8266 microcontroller, integrating the MLX90614 temperature sensor, the HC-SR04 distance sensor, and the Blynk IoT platform to enhance safety and precision. The system is designed to monitor skin surface temperature and patient distance in real-time, control therapy duration through an automatic timer, and provide immediate notifications when safety thresholds are exceeded. The evaluation focused on three main aspects: temperature measurement accuracy, distance detection accuracy, and IoT–timer integration performance. Results show that the MLX90614 sensor achieved a maximum error of 0.82% with a response time of <0.5 seconds, while the HC-SR04 sensor recorded an error rate of 0.25–1.50% with 100% detection success. IoT integration demonstrated an average latency of 0.85 seconds, timer deviation of ±0.8 seconds, and 100% notification success. The novelty of this research lies in the integration of high-accuracy temperature monitoring, distance detection, automatic time control, and IoT connectivity within a single portable device. With the demonstrated performance, this system has strong potential to be developed as a prototype of a safe, precise, and IoT-enabled infrared therapy electromedical device.

Keywords


Smart Infrared Therapy; IoT Timer and Sensor; Temperature Sensor; Therapy Safety; Electromedical Device Development.

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DOI: https://doi.org/10.33373/sigmateknika.v8i2.8353

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