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Journal : Journal of Digital Technology and Computer Science

Development of an IoT-based Smart Farming System using ESP32 for Livestock Monitoring Rizki Fikriansyah; Siti Mutmainah; Dahlan
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61220/dtcs.v3i2.607

Abstract

Purpose – Livestock farming is a vital sector of the Indonesian economy, yet the common practice of allowing livestock to roam freely renders manual monitoring inefficient and exposes farmers to risks of loss, accidents, and theft. This study presents an IoT-based livestock monitoring prototype designed to enable real-time location tracking and automated boundary violation alerts, addressing the lack of affordable and practical smart monitoring solutions for smallholder farmers. Methods – The system was developed using an ESP32 microcontroller integrated with a Neo-6M GPS module and a Telegram bot for automatic notifications. A geofencing boundary of 50 meters was configured from a fixed reference point. Twelve trials were conducted across morning, afternoon, and evening sessions to evaluate system performance under varying conditions. Findings – The system delivered location alerts every ten minutes with Google Maps links and coordinates. Under normal conditions, livestock positions were detected within 5.0–12.7 meters of the reference point. Boundary violations exceeding 50 meters triggered immediate alerts, with notification latency ranging from 3 to 8 seconds under stable network conditions. GPS baseline error was approximately 5.0–5.5 meters, with an accuracy variation of ±2–3 meters. Research Implications – System performance is constrained by Wi-Fi network stability and environmental factors affecting GPS accuracy, limiting its generalizability to areas with reliable connectivity. Further field testing is required before broader implementation. Originality – This study contributes a low-cost, ESP32-based geofencing solution integrated with Telegram, offering a practical and scalable approach to smart livestock monitoring in developing agricultural contexts.
YOLOv9-Based Classification of Ganyong Plant Health for Early Detection of Leaf Spot Disease M Fikram; Siti Mutmainah; Dahlan
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61220/dtcs.v3i2.551

Abstract

Purpose – This study implements the YOLOv9 architecture to automatically classify the health condition of ganyong leaves (Canna edulis Kerr.) as an early-detection tool for leaf spot disease. The study addresses the limitations of subjective manual identification and supports farmers in Bumipajo Village, Bima Regency, in reducing potential crop failure. Methods – A primary field dataset consisting of 1,383 image objects was collected and divided into training, validation, and testing sets using a 70:20:10 ratio. YOLOv9 was implemented by integrating Programmable Gradient Information (PGI) and the Generalized Efficient Layer Aggregation Network (GELAN). Model training was conducted in Google Colab using GPU acceleration, a batch size of 4, and 50 epochs. Findings – Evaluation on independent test data showed strong detection performance, with mAP@50 of 99%, Precision of 99%, Recall of 100%, and an average inference speed of 58.4 ms per image. These results indicate that YOLOv9 can effectively preserve disease-related morphological features in visually complex biological objects. Research implications – The findings are limited to the environmental conditions of the data collection site and one disease type. The reported time efficiency also depends on GPU-based hardware and requires further validation on mobile devices. Originality – This study contributes a field-based primary dataset of ganyong leaves and validates YOLOv9 for a local agricultural commodity that remains underexplored.
Co-Authors Adelia Novita Kristanti Adelina Citradewi Adi, Nugroho Prasetya Advento Jerenimo Afif Nugraha, Daffa Agestin, Nabila Agung Ari Subagio Agustina, ⁠⁠Friska Ahmad Sufillah Zaeni Ahmad Suriansyah Ai Fatimah Nur Fuad Aini Nurul Aini, Shinta Alexander Pili Ratu Alomari, Saif Alvatun Ni'mah, Akhsani Alwin, Cindi Amilia Umi Astagina Amrin Ananda, Clara Andri Prastiwi Anggia, Sofina Anis Chariri Anita Widjajanti Annisa Diah Kusuma Piri Aprilia Novitasari Aprilia, Alfi Noor Aprilia, Zulfa Ardian, Muhamad Ardiantoro, Wahyu Tri Aritonang, Ridho Arum, Indah Arundina Fadilla, Alysia Aryati, fauziah Asep Purwo Yudi Utomo Asiahwati, Asiahwati Asidigisianti Surya Patria Awal Putra Suprianto Azizah, Hilma Azmi Baehaqi Bambang Hermanto BAMBANG SUNARKO baraq noor, rustam Barkah Caswita Celysabeta Marta Hutabarat Citriadin, Yudin Dahlan Damayanti, Anggita Tresna Deden Makbuloh Devita Nur Hadiyani Dian Fitri Diani Ayu Pratiwi Dika Rosyiiddien Suryana Dina Fitria Hasanah Edi Siswanto Eka Zuliana Ekasari, Revalina Eko Retno Mulyaningrum Eli Hendrik Sanjaya Endang Wahyuningsih Eqy Wahyu Ramadhani Erawati, Dhini Erin Eka Citra Evi Susanti Fadillah, ⁠Tsabbit M Fadillatunnisa , Syifa Fadlillah, Fadlillah Faisal Faisal Faruq, Dukan Jauhari Fathir Fathir Fathir Fauzan . Fauziyah Syifa Nurlaila Fauziyyah, Hana Febriyanto Febriyanto FERA RATYANINGRUM Fera Ratyaningrum Ferdinan , Afrilianus fianingsih, Fina Okta Fiqrizzakiyah, Nadia Frederich Febrian Hermanda Frendi Maulana Ghozali, Muhtar Ginayah, Gina Gumilang, Yudithia Mega Gunawan, Kadek Rio Habibah, Noor Hafiz Rafi Uddin Hakim, Sofwan Mahmudil Halim, Cecep Abdul HAMIDAH Hamidah . Handayani, S.Kom, Indri Hasanah, Dina Fitria Herianto, Raditya Isnu Hilari, Firman Hilda Ramadhani Hopeman, Teofilus Ardian Huda, A. Thoriqil Humaira, Nazwa Nanda I Gede Pasek Ista Darma Ibnu Raju Humam Ibrena Nalsal Angelika Sembiring Ikvina Hasanatika Imam Zaini Indah Wahyuni Irvan, Muchamad Islami, Kaila Cahaya Jaedi James Daniel Jati, Eling Purwanto Jauhari Faruq, Dukan Jayanti, Siti Nur Juanita, Vita Juniar, Eka Khafi, Muhammad Muatho' bil Khairunnas Khairunnisa Khusnaini, Faridhotuz Zulfa Kintoko Kristanti, Adelia Novita Kurniawan, Khomsin Fajar Lailatul Arofah, Nur Latifatul Masruroh, Latifatul Laxmi Permata Sari Suardi Layali, Marisa Diana Sakhiro Lutfiah, Erlinda Oktaviani M Fikram M. Arsyadi Ridha M. Nurpaqi Mahbub, Mahbub Mahdalena Mahdalena Mahdalena Mansur, Ulil Mareta Noor Ahadiya Maria Ulfah Siregar Marsudi Masruri, M. Yazid Masruroh, Sayidah Afyatul Maulida Suryaning Aisha Maulidia, Eka Putri Maulita Purnama Sari, Eny Meilani, Dwi Asih Michael Andre Miftahul Jannah Moh Roqib Moh. Ali Aziz Mudakir, Ubaedillah Muhammad Anshari, Muhammad Muhammad Hafiz Muhammad Javier Badruttamam Muhammad Ryan Romadhon Mumun Nurmilawati Mustafidah, Hilyatul Musyarafah, Sumayah Mutiara Annallisa Bella Nabila, Alya Nabila, Annisa Putri Nadia Febrianti Nafi’ah, Jamilatun Naili Nazilatur Rohmah Nailis Saniyyah, Farah Naimah, Musfirotun Navalia Nazwa Azkia Ramadhani Ngaliyah Dwi Lestari Nico, Leonardus Nikmatus Sa’adah Nina Barokah Novi Wahyuni Nunuk Giari M. Nur Amalyna Yusrin Nur Khasanah NURAENI, RANI Nurahmayanti, Nurahmayanti Nurain Suryadinata Nuranisa, Diyah Nurazizah, Eka Nurdiniawati Nurjanah, Aneu NURUL HIDAYAH Nurul Hidayati Nurul Widyawati Islami Rahayu Pahmi, Syifa Nurul Patricia, Vanesa Prameswari, Elfa Mahendra Prasetya, Muhammad Ilham Pratama, Hamdan Adhymaz Primasari, Nora Hilmia Purnani, Siwi Tri Purwati Putri Andini, Zaarani Putri Nurdiani Putri sukma Dewi PUTRI WULANDARI Putri, Dewi Andina Putri, Ervina Rahma Rabbani, Faizzuddin Rafif Muflih Raharjo, Suko Rahmansyah, Muhammad Faiz Rahmawati, Anisha Rahmawati, Riris Trimaulida Ramadhani Irawan, Fajri Ramadhani, Novia Ramadina Fadila Wibisono Rambe, Muhammad Yusuf Restiawati, Diana Ria Resti Fauzi Rika Wahyuni Riyani Wulandari Riyanto, Kuncoro Budi Rizki Fikriansyah Rizki Ramadhan Rizky Ridwan Rohma, Maulina Ainur roki Romadhon, Muhammad Ryan Romansyah, Roni Rona Mutiara Simanjuntak Rosmawati, Olis Rosyid, Dede Abdul Rufii Rustam Baraq Noor Rustarmadi Salapudin, Salapudin Saputra, M. Indra Saragih, Alfanadia Putri G. Sari Lestari Sari, Eka Ulan Saridawati Sa’adah, Nikmatus Septiana Dwi Lestari Septiani Putri, Audriyana Intan Setiawan, Firman Shanti, Utari Anggita Sholichin, Agil Amirus Sholihah, Mar'atus Sholihah, Mufidatus Silvana, Anita SIREGAR, PUNGKI Siswanto, Deny Hadi Siti Jamilah SITI MAHMUDAH Siti Nayla Hijriatun N SITI YULIANA Slamet Wijiono Sokhi Huda Sopian, Akhmad Sri Wahyuningsih Stevanny Aprilia Djija Subagio, Agung Ari Sunarko Sundari, Dwi Rahma Suprianto, Awal Putra Supriyanto Supriyanto Surya Raharja Surya, Alfasha Syindy Cantika Tata Rustandi Teguh Ansyor Lorosae Thoriq Firdaus Arifin Tika Wulandari Titah Hilda Sabilah Triana Purie, Allisha Trisetyo, Febiola Anggun Trisnaini, Zelda Magsal Tumanggor, Edrivo Pandapotan Udin Suadma Uke, Ora Gorez Ulpah Maspupah Umi Farihah Umi Fathorikhah, Shelvia Universitas Yatsi Madani Uslan, Sugianto Utami, Mega Dewi Sri Utari Anggita Shanti utari, ita Vellysia Angelia Wahab, Roswanira Abdul Wahdah Refia Rafianti Warsihna, Jaka wati, asiah Widyawati, Merinda Wike Wiwin Rita Sari Wulan Suryandani Yani Rosita Rahmawati Yani Rosita Rahmawati Yenni Manurung Yuliani, Nurul Yulianti, Reva Yuniar, Caessa Deana Yusuffaza Khalifda Qrisdadra, Alfitri Zahra, Erneta Aisyia Zaini, Ahmad Sufillah Zakiyah BZ Zuhro, LiliLailatul