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All Journal Jutech: Jurnal Teknologi Informasi
R Tommy Gumelar
Institut Teknologi dan Bisnis Ahmad Dahlan, Jakarta
Computer Science & IT

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Sistem Pemantauan Saturasi Oksigen dan Detak Jantung pada Anak Menggunakan NodeMCU Dan Sensor MAX30100 Ahmad Zulfikar Tanjung; R Tommy Gumelar; Shevti Arbekti Arman
Jurnal Teknologi Informasi (JUTECH) Vol. 7 No. 1 (2026): JUTECH: Jurnal Teknologi Informasi
Publisher : ITB Ahmad Dahlan Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32546/jutech.v7i1.2137

Abstract

Internet of Things (IoT) based health monitoring systems have become an increasingly important solution in individual health monitoring efforts. In this study, we designed and implemented a system for measuring oxygen saturation (SpO2) and heart measurement in children using the MAX30100 sensor and the NodeMCU ESP8266 microcontroller. This research aims to provide an effective solution in real-time monitoring of children's health. The MAX30100 sensor is used to accurately measure SpO2 and measure the heart through photoplethismogram (PPG) technology. Data obtained from sensors is processed by the NodeMCU ESP8266 microcontroller and sent in real-time via the Internet network to the Firebase Realtime Database. The data is then displayed on a website that can be accessed online, allowing users to easily monitor the child's health condition. The test method is carried out by measuring the results of SpO2 measurements and heart measurements with conventional medical devices as a comparison. The test results show that the designed system is capable of producing data that is accurate and in accordance with conventional medical devices. In this study, a security mechanism was also implemented for sending and storing data through the Firebase service, which provides an adequate level of security for health data. With this design and implementation, it is hoped that this system can provide real benefits in real-time monitoring of children's health.
Implementasi Smart Building IoT Identifikasi Wajah, Sensor Pir, dan Sensor Gas Untuk Keamanan Showroom Andika Alhaetami; R Tommy Gumelar; Shevti Arbekti Arman
Jurnal Teknologi Informasi (JUTECH) Vol. 7 No. 1 (2026): JUTECH: Jurnal Teknologi Informasi
Publisher : ITB Ahmad Dahlan Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32546/jutech.v7i1.2987

Abstract

Security and energy efficiency are crucial aspects of a car showroom that can be improved using an IoT-based smart building system. This research develops a system integrating a PIR sensor for automatic lighting, an MQ2 sensor for gas detection, and an ESP32-CAM for facial recognition to enhance security. The ESP32 microcontroller controls the system, enabling real-time monitoring via the Telegram application. Testing results show that the PIR sensor optimizes energy use by activating lights only when motion is detected. The MQ2 sensor provides early warnings for hazardous gases, while the ESP32-CAM ensures restricted access by identifying authorized personnel. IoT integration allows stable data transmission and remote control. This system effectively enhances showroom security and energy efficiency, offering fast response times and reliable performance. The findings provide a foundation for further smart building innovations applicable to various industries.
Co-Authors Ahmad Zulfikar Tanjung Andika Alhaetami Shevti Arbekti Arman