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Journal : Journal of Technomaterial Physics

Real-Time Ethanol Monitoring System for Palm Sap Fermentation Using a MiCS-5524 Gas Sensor and Arduino Uno Siregar, Dini Rizqi Dwi Kunti; Surbakti, M Syukri; Fadhli; zakaria; Susilawati; Akbar, Hikmal
Journal of Technomaterial Physics Vol. 8 No. 1 (2026): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v8i1.23866

Abstract

This study aims to develop a real-time alcohol monitoring instrument for palm sap fermentation using the MiCS-5524 gas sensor integrated with an Arduino Uno. The system consists of the MiCS-5524 sensor, an Arduino Uno microcontroller, and a 16×2 I2C LCD for real-time display. Sensor calibration was performed using ethanol solutions at 10%, 20%, 30%, 40%, 50% and 60% to establish a linear regression model relating sensor resistance to ethanol concentration. Fermentation monitoring was carried out for 72 hours, with measurements taken every 24 hours. Sensor outputs were converted from ADC values into voltage, resistance, and ethanol concentration using the calibration equation. The calibration yielded a strong linear correlation (R² = 0.982). Fermentation tests showed a consistent increase in ethanol concentration, reaching 53.9% after 72 hours. Comparison with a digital alcohol meter produced relative errors ranging from 2.8% to 6.4%, demonstrating good accuracy, low drift, and stable sensor response. Overall, the developed instrument effectively measures ethanol concentration in palm sap fermentation in real time. Its simple configuration, low cost, and reliable performance make it suitable for small-scale palm sap processing, quality control, and laboratory applications. Further improvements, such as environmental compensation and IoT-based monitoring, are recommended to enhance system performance.
Co-Authors Abdul Rasyid Abdul Rasyid Abdul Salam Abdurrazaq, Muhammad N. Abin, Rais Achmad Faqihuddin Adian Aristia Anas Afdhal Akbar, Hikmal Alfian Febiyanto Alisman Andi Anugrah Mahyuddin Andi Kasmawati Arawindha, Ucca Arief Alkhoir Ashar, Aisyah Asikin, Hijrah Astiantih, Susi Atu Bagus Wiguna Azzarkasyi, Muhammad Bakhrudin, Elang Bambang Hadi Purnomo Batula, Abu Warasy Boris Kaido Cut Novita Rizki Daisy Jhonny Pilly Darmaliana Dede Handayani Duduaka, Rustam Dwi Lestari Eddi Basuki Kurniawan Fachry Abda El Rahman Fadhil, Mohamad Fadhli Feri Agriani Firman Firman Fitri Fitri Aziraton Fitriani Hairil Wadi Hajirah Hariadi Syam Haris Munandar Hendrawan Tumakaka Herman H Hidayanty, Healthy Humaira , Nurhadia Ijal Fahmi, Ijal Ilmin Nafi Imran S.M. Nur Indradewa, Rhian Indri Septyarini Irwanto Sitorus Joko Purnomo Karimuddin, Karimuddin Khofifatunzahrah Kristian Pati Wator Mahmudah, Mila Manjilala Mansur Marinda, Aulia Bela Marlianti, Rosyana Mas’ud, Hikmawati Meta Keumala MUCHSIN MUHAJIR Muhamad Fauzan Zibran Muhammad Hatta Muhammad Syarif Muhammmad Jamil Mula Arman Gulo Mulyana, Arif munaja rahma Nada Mulya Salsabila Naim Ni Made Novi Suryanti Ningrum, Sulistya Nur Fadilah Guntur Nur Wulandari Nurhaedar Jafar Perianto R. Okta Kurniawan Rahma Fitriani Rahma Fitriani Ray Suryadi, Ray Repulis Riza Saadiah, Riza Saifuddin Sirajuddin Salsabila, Iva Mazhidatus Salsabilla, Raihan Sari, Rindi Yunita Sembiring, Rinawati Siregar, Dini Rizqi Dwi Kunti Sri ayu maryati Sri Oktika Syahputri Sufriadi, Dedi sukmawati Sumarsih Surbakti, M Syukri Susilawati Syahrizal Syamsul Rizal Tara, Halija Utami Maulida Valianto, Eko Budi Wahyu Rezeki Walipah Yeggi Darnas Yeny, Eli Yusuf Ilham Zamzami Zulfadli