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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Jurnal Ilmu Komputer dan Informasi Indonesian Journal of Information System Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Jurnal Teknik Informatika (JUTIF) Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Jurnal Masyarakat Madani Indonesia Jurnal Sistem Informasi Galuh Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) IJCOSIN : Indonesian Journal of Community Service and Innovation
Muhammad Raafi'u Firmansyah
Telkom University
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mechanical Engineering Public Health Social Sciences Other

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An IoT-Based Smart Solar Dryer Development for Coffee Bean Drying Optimization as an Applied Technology Solution: Optimalisasi Proses Pengeringan Biji Kopi Menggunakan Smart Solar Dryer Berbasis IoT sebagai Solusi Teknologi Tepat Guna Muhammad Agung Nugroho; Muhammad Raafi'u Firmansyah; Anggi Zafia; Aulia Desy Nur Utomo; Rakhmad Maulidi; Nenen Isnaini
JATI EMAS (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat) Vol. 10 No. 3 (2026): Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Publisher : DPD Jatim Perkumpulan Dosen Indonesia Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36339/je.v10i3.554

Abstract

Drying is a critical stage in coffee post-harvest processing that significantly influences the physical quality, moisture content, and overall quality of green coffee beans. Coffee farmers in the Glodogan Coffee Farmers Group, Glempang Village, Pekuncen District, Banyumas Regency, still rely on the traditional open sun drying method, which is highly dependent on weather conditions, requires a long drying period, produces uneven heat distribution, and increases the risk of contamination and non-uniform moisture content. This community service program aimed to implement an Internet of Things (IoT)-based Smart Solar Dryer as an appropriate technology to improve coffee drying practices. The implementation adopted a Participatory Technology Implementation approach consisting of four stages: partner needs assessment, prototype design and fabrication, technology implementation, and training with evaluation. The developed system integrates a greenhouse-effect drying chamber, temperature and humidity sensors, an ESP32 microcontroller, and a dashboard for real-time monitoring. The implementation demonstrated that the Smart Solar Dryer effectively supported the drying process of both coffee cherries and wet-processed green beans. The monitoring dashboard provided real-time information on drying chamber temperature, humidity, system status, and historical drying records, enabling farmers to monitor the process without opening the drying chamber. Evaluation involving six farmers indicated a Partner Satisfaction Index of 95.33%, with 76.67% of respondents strongly agreeing and 23.33% agreeing with the usefulness of the program and the implemented technology. These findings indicate that the IoT-based Smart Solar Dryer has strong potential to improve coffee post-harvest quality while encouraging the adoption of digital technologies among smallholder coffee farmers.
Co-Authors Adanti Wido Paramadini Adventus Angga Kurniawan Affriza Brilyan Relo Pambudi Agus Putra Alon Jala Tirta Segara Anggi Zafia Anisah Syifa Mustika Riyanto Annisaa Utami Arief Rais Bahtiar Aulia Desy Nur Utomo Dasril Aldo Dimas Fanny Hebrasianto Permadi Evia Zunita Dwi Pratiwi Fahrudin Mukti Wibowo Faiz, M. Hanif Al Fathan, Faizal Burhani Ulil Fau, Andrew Hidayat, Afifah Naurah Ibnu Rizal Mutaqim Lina Fatimah Lishobrina Lisda Lisda M Yoka Fathoni Maulana, Ihsan Muadin, Dika Alim Muhammad Afrizal Amrustian Muhammad Agung Nugroho Muhammad Aulia Muzzaki Nugraha Nenen Isnaeni Nenen Isnaini Rakhmad Maulidi Sa'adah, Aminatus Sulaeman, Gilang Suprapto, Amelia Rut Utami, Annisaa Yasin, Feri Yohani Setiya Rafika Nur