Indonesian Journal of Applied Informatics
Vol 10, No 1 (2025)

Sistem Monitoring Lingkungan Berbasis IoT pada Aplikasi Smart Farming Berbasis Arduino Menggunakan Protokol MQTT

Latifah Citra Mahkota (Universitas Islam Indonesia)
Medilla Kusriyanto (Universitas Islam Indonesia)



Article Info

Publish Date
19 Jan 2026

Abstract

Abstrak : Meskipun sumber daya pertaniannya melimpah, Indonesia masih berjuang untuk mencapai swasembada pangan. Indonesia masih bergantung pada impor untuk beberapa bahan pangan, yang menunjukkan produktivitas pertanian nasional belum optimal. Tantangan utama meliputi terbatasnya akses petani terhadap informasi, ketergantungan pada metode konvensional yang tidak efisien, dan kurangnya pemanfaatan teknologi modern di lapangan. Penelitian ini mengatasi kendala tersebut dengan merancang dan menguji sistem pemantauan lingkungan berbasis Internet of Things (IoT) untuk mendukung pertanian cerdas. Sistem ini memanfaatkan empat sensor utama, yaitu sensor DHT11, Soil Moisture Hygrometer, LDR, serta sensor curah hujan. Data sensor dikumpulkan oleh Arduino Uno, disimpan di MicroSD Card, dan dikirimkan ke NodeMCU ESP8266 untuk diteruskan ke broker  MQTT HiveMQ. Data sensor divisualisasikan secara real-time pada dashboard  web yang dilengkapi sistem notifikasi ambang batas. Hasil pengujian menunjukkan bahwa sensor DHT11 stabil dalam mengukur suhu (30–32 °C) dan sensitif terhadap kelembaban (76–92 %), Soil Moisture Hygrometer mampu membedakan kondisi tanah dari kering hingga jenuh, LDR menunjukkan variasi nilai sesuai intensitas cahaya (47–667), dan sensor hujan efektif mendeteksi kondisi basah maupun kering (620–846). Sistem ini berhasil memantau kondisi lingkungan pertanian secara real-time, memberikan notifikasi ketika parameter melewati ambang batas, dan mendukung pengambilan keputusan dalam pengelolaan pertanian cerdas dan berkelanjutan.================================================Abstract :Indonesia, despite abundant agricultural resources, continues to face challenges in achieving food self-sufficiency. Reliance on imports highlights suboptimal national productivity. Key obstacles include farmers’ limited access to information, dependence on inefficient conventional methods, and underutilization of modern technology. This research addresses these issues by designing and testing an Internet of Things (IoT)-based environmental monitoring system to support smart agriculture. The system employs four sensors: DHT11, Soil Moisture Hygrometer, LDR, and a rainfall sensor. Data from these sensors is collected by an Arduino Uno, stored on a MicroSD Card, and transmitted via NodeMCU ESP8266 to the HiveMQ MQTT broker . A web dashboard  visualizes the data in real-time and provides threshold-based notifications. Test results show the DHT11 sensor is stable in measuring temperature (30–32°C) and sensitive to humidity (76–92%). The Soil Moisture Hygrometer effectively distinguishes soil conditions from dry to saturated. The LDR records variations in light intensity (47–667), while the rainfall sensor reliably detects wet and dry states (620–846). Overall, the system successfully monitors agricultural environmental conditions in real-time, issues alerts when parameters exceed thresholds, and supports informed decision-making for smart, sustainable agricultural management.

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Journal Info

Abbrev

ijai

Publisher

Subject

Computer Science & IT

Description

Indonesian Journal of Applied Informatics publishes articles that are of significance in their respective fields whilst also contributing to the discipline of informatics as a whole and its application. Every incoming manuscript will first be examined by the Editorial Board in accordance with ...