Sistem Monitoring Lingkungan Dan Pelaporan Otomatis Berbasis Iot

Susanto, Adi (2026) Sistem Monitoring Lingkungan Dan Pelaporan Otomatis Berbasis Iot. Sarjana (S1) thesis, Universitas Islam 45.

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Abstract

The temperature and humidity conditions in a Motor Control Center (MCC) Room significantly affect the performance and reliability of electrical equipment. However, monitoring is still often conducted manually, which increases the risk of delayed responses during abnormal conditions. This study aims to develop an automatic temperature and humidity monitoring system based on the ESP32 microcontroller integrated with Firebase and Google Sheets for real-time reporting. The system uses a DHT11 sensor to measure temperature and humidity, which is then periodically sent to the Firebase Realtime Database via WiFi. The data is synchronized with Google Sheets using App Script and displayed through a Flutter-based mobile application that includes a notification feature via Firebase Cloud Messaging (FCM) when the temperature exceeds the threshold. Test results show that the system successfully transmitted all target data (648 entries) to Google Sheets with a 100% delivery rate, of which 97.22% were recorded as valid data. Additionally, the system sent a total of 1,258 notifications during 27 days of testing, indicating that the alert feature actively responded to temperature spikes. The system demonstrated reliable performance in data transmission, interface usability, and IoT component integration. The implementation of this system is expected to enhance the efficiency of environmental monitoring in MCC Rooms, reduce human error, and accelerate technical decision-making when environmental conditions exceed safe operational limits. Keywords: MCC ROOM, temperature monitoring, DHT11, ESP32, Firebase. Flutter, Google Sheets

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