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Journal : Lontar Physics Today

Arduino Uno Based Automatic Fruit Maturity Detection System for Orange (Citrus sp.) and Bell Fruits (Syzygium aqueum) Using Electrical Conductivity Ummah, Auliya Rahmatul; Fitriani, Ade; Nur Hanafi, Kholis; Syahrir, Syahrir; Supriyanto, Supriyanto; Zarkasi, Ahmad
Lontar Physics Today Vol 4, No 3 (2025): November 2025
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/lpt.v4i3.25513

Abstract

Accurate determination of fruit ripeness is essential to maintain product quality, flavor, and market value. However, traditional manual assessment methods, which rely on sensory observation (color, aroma, and texture), are often subjective and inconsistent. This study aims to design and develop an automatic fruit ripeness detection system based on electrical conductivity measurement in oranges and bell fruits. The system utilizes a three-electrode stainless steel needle probe connected to an ADS1115 Analog-to-Digital Converter (ADC) module and an Arduino Uno microcontroller. A refractometer was used for system calibration and reference data acquisition. Measurements were performed by inserting the probe into the fruit pulp to read the voltage value of the fruit's fluid. This electrical signal was correlated with the reference sugar content (%Brix) and subsequently classified into three categories: ripe, half-ripe, and unripe. Results show that the average voltage range for oranges in the ripe, half-ripe, and unripe categories was 2.74 V, 2.58 V, and 2.32 V, respectively. For bell fruits, the corresponding voltage ranges were 2.48 V, 2.26 V, and 2.08 V. These voltage values were derived from the experimental data presented in Table 1 and  Table 2. The abstract  reports the average voltage for each ripeness category, whereas the tables list individual measurement values, resulting in slight differences between the summarized and detailed data. The average relative error of the measurement was found to be approximately 5 %, which is considered acceptable for practical field application. This indicates that the developed system is capable of classifying fruit ripeness in a non-destructive, accurate, and rapid manner.
Co-Authors AA Sudharmawan, AA Abdul Hakim Fattah Ade Fitriani, Ade Ade Kurniawan Adelia Tamelab, Chandika Jeklin Adrianus Inu Natalisanto AFDALIA, NUR Agung, Shandy Ahmad Ahmad Ahmad Zarkasi Ahmad Zarkasi Aidah, Nur Ajeng Wijayanti, Lumastari Al farisi, Moh. Salman Aliah, Husnani Aliansa, Wahyu Amin, Muhtar Amirulmukminin, Amirulmukminin Ampulembang, Ervina Ariatami, Rezky Nur Arief Rachman Hakim Arifuddin, Muh. Sadik Asa, Halena Meldy Asriani Hasanuddin Atkiyan, Fahrul Hudatil Audrey Gracelia Riwu Awaluddin Tjalla Ayu Azizah Azim, Muhammad Azra Fauzi Basri, Muhammad Faisal Bhwa, Daeng Agus Vieya Putri Boma, Muslimin Budi Setiawati Cahyani Cahyani Chen, Diki Christina Olly Lada Ciptadi, Chandra Datu, Natalia Dinny Devi Triana Eddy Soekendarsi edi edi Ekhy, Sirajuddin Ernawati, Eli Fadhil, Achmad Reyhan Fahmi, Samsul Fahria Nadiryati Sadimantara Fahrul M., Muhammad Faisal Jayadin Fandir, A Farizi, Moh. Salman Al Fatmawati, Fatmawati Fauzi, Azra febriani, indriani Hadiyanti, Hadiyanti Haerul, Haerul Hartina, St. Hasmida, Hasmida Hendrawadi, Yayan Hidayah, Novianti I Putu Buda Yasa Ika Pratiwi Ikra, Ikra Ilma Sarimustaqiyma Rianse Ilyas, Muh. Imam Nursyahied Imran, Fathurrahman Indo Santalia Irfan Afandi Irna, Irna Isnurrini hidayat, Isnurrini Jannah, Insani Fitrahulil Jerri, Alyadris Jesus, Babelonia L H De Juliangkary, Eliska Juliawan, Rizcky Junadi Junaedi Junaedi Kahar, Irsan Kale, Maria Laurenci Fany Permata Kamil, Reski KASMAN , AINUN FITRIA NUR KETUT SUKARMA . Khairunnisah, Noni Antika Kholis Nurhanafi Kolobani, Mathias Nathaniel Kusnadin, Kusnadin KUSNADIN, KUSNADIN Lapele, Dina Amalya M. DJabir, Siti Mandeva, Poresman Mardan Mardan Mardiana Mardiana Marwah Marwah Masitah Masitah Masitah Masjudin, Masjudin Maulita, Miftahul Melisha, Melisha Mohamad Irfan, Mohamad Muhamad Ikhsan Muhamad Salabi Muhammad Budi Utama Muhammad Fajri Raharjo MUHAMMAD TEGUH, MUHAMMAD Muhammad Yamin Muhammad Yusuf Mulyati Mulyati naim, Kurniati Nasriandi Nasriandi Nenobais, Aplonia Ninef, Violin Irene Nirwana, Hafsah Nofianti, Nofianti Nur Aidah, Hanyfah Nur Hanafi, Kholis Nurdin Nurdin Nurfidah, Nurfidah Nurhasmi Nurhasmi Nurhayati Nurhayati Nurvi Oktiani Nuun Marfuah Palupi, Aisyah Anudya Pangerang, Fitriaty Pasandaran, Rio Fabrika Pramadana, Iyan Pratiwi, Yulita Dwi Prihantini, Campina Illa Pujilestari, Pujilestari Pujilestari, Pujilestari Purnasari, Cahyani Puspa Sari, Puspa Puspa Sari, Puspa Sari Putri Bhwa, Daeng Agus Vieya Putri, Devina Rayzi Perwitasari Sutaji Putri, Devina Rayzy Perwitasari Sutaji Rachman, Nurul Fadillah Rachman, Nurul Fadillah Raden Sumiadi Rahayu, Rafika Ade Rahim, Samsir Rajid, Rajid RANI RANI, RANI Rasyidah Jalil Ratih Setyo Rini Renaldy, Renaldy Richardus Eko Indrajit Rijal, Tabhan Syamsu Rini, Desi Indria Romana Marawali, Fransiska Salabi, Muhammad Salam Salam Sanapiah, Sanapiah SARI, AYU RESTINA Sarinah, Dian Sarwadi, Gita Setianingrum, Elisabeth Levina Sari Sirajuddin Abdullah Sri Damayanti Sri Maryanti Sugeng Priyanto, Sugeng Sugiarto S Suluamu, Muliyati supriadin supriadin Supriyanto Supriyanto Suriadin, Heppy Sutartina, Sutartina Sutarto Sutarto Syafira, Syafira Syarifoeddin, Elya Wibawa T, Zein Tudang Rombeallo, Nofita Tunggal, Deif Tunru, Andi Alif Uli, Aprilla Sinta Ummah, Auliya Rahmatul Upa, Nurul Fatmawati Pua Vivianti, Nurul Wardani, Nimas Prita Rahajeningtyas Kusuma Windi Windi, Windi Wiwik Widiyanti, Wiwik Yetti Supriyati, Yetti Yudi Mujayin YULIYANTI, SRI Zainal Abidin Zohra Hasyim, Zohra Zulkarnaen, Deki