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Journal : journal of informatics and telecommunication engineering

Web-Based RESTful Monitoring of Water Level and Nutrient Concentration In Hydroponic Systems Rahmat Fadli Isnanto; M. Dzaki Akhyar; Sutarno; Sarmayanta Sembiring
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 10 No. 1 (2026): Issues July 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v10i1.18208

Abstract

Hydroponics requires continuous monitoring of water level and nutrient concentration. This study implements a web-based monitoring system with ESP32, TDS sensor, and water level sensor. Sensor data is sent via RESTful API to a Laravel server and displayed on a responsive dashboard. The main scientific contribution is the implementation of a decoupled RESTful API middleware between hardware and presentation layers, differing from platform-centric approaches. Analysis of 41 sensor readings revealed two operational clusters. The first cluster (20 samples) showed an average of 279.5 ppm (CV 15.2%) with constant water level at 4.8 cm. The second cluster (21 samples) showed an average of 3450.2 ppm (CV 3.5%) with water level at 6.4 cm. Two outliers (3963 ppm and 3751.6 ppm) were identified in the high-concentration cluster, likely due to transient mixing. No significant temporal trends were observed within clusters. API testing achieved 100% success rate, latency <750 ms, and theoretically supports throughput of 185 requests/second with horizontal scalability. A traceability matrix confirmed all six functional requirements. The decoupled RESTful middleware overcomes IoT platform interoperability limitations, enabling future expansion and supporting real-time hydroponic monitoring for urban agriculture
Co-Authors Abdurahman Adriano Afif Zona Tori Agung Prasetyo Agus Yuda Hernoko Ahmad Fathoni Ahmad Rifai Ahmad Zarkasi Alama Dian Rahayu Aldia, Dita Alvis Andika Persada Putera Andika, Rully Arwin Arwin Arwin Asmuni ASTUTI, ANNISA PUJI Athalaza, Muhammad Nawar Bambang Ariyanto Bambang Tutuko BHAKTI KARYADI Bhanes Ado Fata Muri D.W. Widjajanto Damas Ivan Ola Defianti, Aprina Deni Parlindungan Dewi Anggraini Dewi Handayani Dewi Puspitorini Husodo Dian Anggraini Dian Ratih Laksmitawati Dian Saraswati Diena Rakhmani Dwi Retno Lukiwati Ekaputri, Rendi Zulni Eny Fuskhah ERNI WIDAJANTI Eva Novi Triana Fais Nurul Hadi Firdausi Firdausi, Firdausi Francisca Audry Kournikova Ghina Febrianti Hadi Purnawan Satria Handayani, Asih Harjana Hartanto, Lius HARTOYO, EKO Henny Johan Ida Lestari IMAM SUGKAWA Indra Sakti Indri Hapsari Indri Wahyuni Jaenullah Juwono, Fahmi Lukman, Saepul M. Dzaki Akhyar M. Imron Rosyadi M. Khoirul Huda Mahananto Mariana, Neneng Mastur Meti Indrowati Michael Moch Malik Firdaus Muhammad Naufal Rachmatullah muhammad soleh muhammad soleh Muhammmad Fadli Gunawan Muryan Awaludin Nelly Eka Pratiwi neneng mariana Ninis Nugraheni Noval Rizky Akbar Nugrah Rekto Prabowo Nur Hidayati, Iis Nurfadilah Satiyani Nursaadah, Euis Onassis, Sherla Parlindungan, Deni Pramono Pratiwi, Dita Eriyanti Primanita, Anggina Puji Lestari, Evi Purnamo B Purwo Subekti PUTRI PATRICIA, ADINDA Qurrota Ayunin Diananda Raden Mas Syauqi Annuri Sam Kusuma Patria Raden Mohamad Herdian Bhakti Rahmat Fadli Isnanto Rahmatullah, Dyko Ramadaniati, Hesty Utami Rascal Indrastoto Rena Lestari, Rena Rendy Wikrama Wardana Resi, Damasus Nosi Restu Susanto, Arga ROCHANI NANI RAHAYU Romario Wahyudi Ronggo Waskito, Jefri Rossi Passarella Sabana Putri, Safira Saepul Lukman Safitri, Leni Sagita, Fitria Saila Al Fiqhiyyah, Taswa Sanjaya, Felix Sarmayanta Sembiring Satria, Alpahmi Aji SENSUSIYATI Shahwatul Islami Lestaluhu Suhadi Sulistyo Saputro Sumaryanto Sunarso SUPRAYITNO SURYANTI Syafril Alfian Akbar Tatang Tajudin Teguh Supriyadi Uliyandari, Mellyta Umi Latifah, Vina UTAMA, TASIK Wahyuningsih, Putriana Warso Widjajanto,, Didik Wisnu Wikrama Wardana, Rendy Windy Fathikah Yolanda