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Mulyara, Budi
Institut Teknologi Sawit Indonesia
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DESIGN OF CONTROL SYSTEM AND TEMPERATURE IN COFFEE DRYER ARDUINO BASED AUTOMATIC USING FUZZY Ratu Mutiara Siregar; Budi Mulyara; Rahmad Dian; Maisarah Maisarah; Muhammad Akbar Syahbana Pane; Andi Prayogi
JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer) Vol. 10 No. 3 (2025): JITK Issue February 2025
Publisher : LPPM Nusa Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33480/jitk.v10i3.6166

Abstract

The coffee bean drying process is a crucial stage in ensuring the final quality of coffee products. Conventional drying methods, which rely on sunlight, face several challenges, such as dependence on weather conditions and prolonged drying times. This study proposes the design of a control and temperature system for an automatic coffee dryer based on the Arduino Mega 2560, aimed at enhancing the efficiency and consistency of the drying process. The system utilizes a semi-enclosed drying technology equipped with DHT22 temperature and humidity sensors, controlled by Arduino-Uno and Fuzzy Logic. This control system monitors temperature and humidity in real-time, maintaining the drying conditions at 55°C and 15% RH. If the temperature or humidity exceeds the set limits, the system activates an LED and buzzer alarm, indicating that the drying process has reached optimal conditions. The prototype was tested under various conditions, and the results demonstrate that the system has a high accuracy level in controlling temperature and humidity, significantly accelerating the drying process compared to traditional methods. By implementing this technology, the coffee industry in Indonesia is expected to achieve the Coffee Drying Operational Standards in accordance with SNI, maintain flavor quality, optimize the use of drying land, and reduce drying duration. This development offers an innovative solution that can enhance the quality and productivity of coffee processing, providing significant economic benefits to farmers and coffee industry stakeholders.
Karakteristik Sensoris dan Sifat Fisiko Kimia Kopi Arabika Sidikalang dari Variasi Proses Pascapanen yang Berbeda Mulyara, Budi; Rangkuti, Ika Ucha Pradifta; Siregar, Arfan Kirana
Jurnal Teknologi dan Industri Pertanian Indonesia Vol 17, No 1 (2025): Vol. (17) No. 1, April 2025
Publisher : Agriculture Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17969/jtipi.v17i1.37650

Abstract

Indonesia is a large world coffee producer, which is currently followed by the proliferation of coffee shops that provide specialty coffee. Arabica coffee is a type of coffee that is considered to have the better taste among other types of coffee. Sidikalang is one of the coffee producing areas in North Sumatra but has not been fully explored. Traditional processes are still widely used, even though the standard post-harvest process for Arabica coffee is divided into two, namely the wet process and the dry process. This research aims to analyze and compare the sensory and physicochemical characteristics of traditional processing with standard processing of Arabica coffee, especially Sidikalang Arabica coffee. The physical quality of the traditional process and natural process is in category 2 while the wet process is in category 1 based on the Indonesian National Standards (SNI) 2008 for coffee beans. The caffeine content of all treatments meets the 2004 SNI standard of below 2%. Carbohydrate levels are relatively low, with an average value below 30%. The Percent Extraction (PE) in espresso meets standard values ranging from 18% to 22%. Wet processes tend to be very popular in terms of fragrance, acidity, bitterness, and body, while natural processes and traditional processes are dominant in terms of fragrance.
Pembuatan papan partikel berbasis kulit tanduk kopi dan tandan kosong kelapa sawit Aisyah, Siti; Mulyara, Budi; Adini, Izmi; Purwanto, Heri
AGROINTEK Vol 19, No 3 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i3.25871

Abstract

The palm oil industry produces solid waste, particularly empty oil palm fruit bunches. The lignin contained in these empty bunches functions to make the wood resistant to microbial attack. Meanwhile, coffee horn skin waste is not used optimally. This research aims to utilize waste coffee horn skin and empty oil palm fruit bunches as alternative raw materials for making particle boards. Empty oil palm bunches and coffee husks are dried in the sun to reduce the water content of products and ensure the fiber becomes dry. Empty bunches and dried horn skin are then soaked using a mixture of NaOH and distilled water. The resulting fibers that have been chopped are then dried. The resulting dried fibers are reduced in size again. There are 7 different ratios that are used in fiber mass between empty bunches plam fruit and coffee husk. Every particle board was built in dimensions of 25 x 25 x 5cm and pressed for 10 minutes. The research results obtained in the form of board particle density tests showed significant differences in all treatments, and the density test results met SNI 03-2105-2006. Apart from that, there is no real difference in the test results for the particle board water content, so it meets SNI 03-2105-2006. Tests for the development of thick board particles showed that there were significant differences in all ratios, namely that P1, P2, P5 met SNI 03-2105-2006 and P3, P4, P6, P7 did not meet SNI 03-2105-2006. In the elastic modulus and fracture modulus tests, there were no differences in all treatments. However, they did not meet SNI 03-2105-2006, whereas, in the particle board absorbency test, there were significant differences in all treatments and the absorbency test results were still relatively high. However, SNI 03-2105-2006 does not specify standard values for air absorbency.
Pemberdayaan Masyarakat Melalui Pelatihan Pembuatan Sabun Pada Ikatan Keluarga Besar Istri (IKBI) Pabrik Kelapa Sawit Rambutan PTPN IV Regional 1 Maisarah, Maisarah; Sri Wahyuna Saragih; Ratu Mutiara Siregar; Friska Anggraini Barus; Rahmad Dian; Budi Mulyara; Busrizal Faisal; Muhammad Akbar Syahbana Pane
SERVIRE: Jurnal Pengabdian Kepada Masyarakat Vol 5 No 1 (2025): SERVIRE: Jurnal Pengabdian Kepada Masyarakat (April 2025)
Publisher : Indonesia Christian Religion Theologians Association and Widya Agape School of Theology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46362/servire.v5i1.285

Abstract

One of the products that are widely found and in demand in the community is soap. This product can be made as an added value from people's palm oil activities. Community service activities were carried out in the Desa Paya Bagas, Kecamatan Tebing Tinggi Kabupaten Serdang Bedagai, provinsi Sumatera Utara pada Ikatan Keluarga Besar Istri (IKBI) PT. Perkebunan Nusantara IV Regional 1 Rambutan Palm Oil Factory. The purpose of this activity is to provide knowledge, insight and technical skills in order to utilize palm oil to become a soap product that can be used for household needs or as a micro and small business effort. Community service initiatives that involve counseling, socialization, and education on empowering strategies through training in soap making demonstrations can be the answer. This community service activity is carried out consisting of a preparation stage consisting of a survey of completeness and preparation, socialization and education and implementation of community service activities by ITSI lecturers and students. The results of this community service activity are able to educate the community in soap making training. Salah satu produk yang banyak dijumpai dan diminati di masyarakat adalah sabun. Produk ini dapat dibuat sebagai addedd value dari kegiatan sawit rakyat. Kegiatan pengabdian masyarakat dilaksanakan di daerah Desa Paya Bagas, Kecamatan Tebing Tinggi, Kabupaten Serdang Bedagai, Provinsi Sumatera Utara pada Ikatan Keluarga Besar Istri (IKBI) PT. Perkebunan Nusantara IV Regional 1 Pabrik Kelapa Sawit Rambutan. Kegiatan ini bertujuan untuk memberikan pengetahuan, wawasan, serta keterampilan teknis kepada masyarakat agar mampu mengolah kelapa sawit menjadi produk sabun yang layak digunakan untuk keperluan rumah tangga maupun sebagai modal usaha mikro dan kecil. Solusi yang dapat diberikan yaitu kegiatan pengabdian masyarakat berupa metode penyuluhan, sosialisasi dan edukasi terkait teknis pemberdayaan melalui pelatihan demonstrasi pembuatan sabun. Kegiatan pengabdian masyarakat dilaksanakan terdiri dari tahap persiapan yang terdiri atas survei kelengkapan dan preparasi, sosialisasi serta edukasi dan kegiatan pengabdian kepada masyarakat yang dilakukan oleh civitas akademik Institut Teknologi Sawit Indonesia (ITSI) yaitu dosen dan mahasiswa ITSI. Hasil dari kegiatan pengabdian masyarakat mampu mengedukasi masyarakat dalam pelatihan pembuatan sabun.
Preliminary Study of The Utilization of Belimbing Wuluh (Averrhoa bilimbi L.) Extract as A Coagulant of Rubber (Hevea brasiliensis Muell. Arg.) Latex Simamora, Michael Kurniawan; Mulyara, Budi; Rangkuti, Ika Ucha Pradifta; Junaidi
Journal of Food and Agricultural Product Vol. 4 No. 1 (2024): JFAP
Publisher : Fakultas Pertanian Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jfap.v4i1.5039

Abstract

Coagulants are commonly used in rubber plantations to coagulate latex. This study aims to determine the effect of incubation time and dose of starfruit extract on coagulation speed, total solid content (TSC), and weight loss of the resulting coagulum. The study was carried out at the Sungei Putih Research Unit, Indonesian Rubber Research Institute in September – October 2023. A Completely Randomized Design (CRD) was applied with two treatments, namely, the incubation period for the extract (A) which consisted of three levels (0 days (A1), 2 days (A2), and 4 days (A3)) and the extract dose (B) consisting of three levels (3 ml (B1), 6 ml (B2), and 9 ml per 20 ml latex (B3)). Each treatment combination was repeated three times. The results indicated that the degree of acidity (pH) of starfruit extract without incubation was around 2.8. After incubation for 2 days, the pH decreased to 2.7, and after 4 days to pH 2.5. The fastest coagulation was obtained in treatment A3B3 for 2.03 minutes after mixing, while the longest was in treatment A1B1 for 7.07 minutes. The highest coagulum TSC was obtained in the A3B1 treatment at 50.30%, while the lowest was in the A2B3 treatment at 27.47%. The highest level of weight loss was found in the A2B2 treatment at 36.80%, while the lowest was in the A3B3 treatment at 23.01%. The use of high doses of starfruit extract can coagulate latex in a short time with low weight loss; thus, it can be used as an organic coagulant.
INOVASI PENGERING MEKANIS KOPI BERBASIS ARDUINO UNO PADA WILAYAH PETANI KOPI KECAMATAN PEMATANG SIDAMANIK KABUPATEN SIMALUNGUN Dian, Rahmad; Mulyara, Budi; Siregar, Ratu Mutiara; Maisarah, Maisarah; Dibisono, Muhammad Yusuf; Guntoro, Guntoro
Jurnal Pengabdian Masyarakat: Pemberdayaan, Inovasi dan Perubahan Vol 4, No 6 (2024): JPM: Pemberdayaan, Inovasi dan Perubahan
Publisher : Penerbit Widina, Widina Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59818/jpm.v4i6.929

Abstract

Coffee as one of Indonesia's plantation commodities that has very good development potential, considering that coffee consumption in Indonesia is still very high. Currently, the problem that occurs in Simalungun Regency is the conventional drying technology which is at risk of inconsistency in quality and taste so it needs to be fixed and given a solution. The partner team is the Mitra Sejati Jaya Cooperative, where community service activities are carried out in the Sait Buttu area, Pematang Sidamanik District, Simalungun Regency, North Sumatra which is one of the locations for planting Arabica coffee. The purpose of this activity is to create intelligent IT-based appropriate tools and technologies, namely the ARDUINO UNO Smart Sweetener as a solution to the problems of partners and coffee processing community groups, then improve coffee farmers in supporting improvements in the quality of Arabica coffee taste through efficient, portable, and environmentally friendly smart drying technology. The solution that can be provided is in the form of community service activities carried out by a team of lecturers and students from the Institut Teknologi Sawit Indonesia (ITSI) in the form of extension methods, socialization and education related to the technical innovation of the tool called the ARDUINO UNO Smart Sweetener. This community service activity was carried out for ±60 days consisting of the preparation stage consisting of a survey of completeness and preparation, assembly and finishing and pre-test, socialization and education and implementation of community service activities by ITSI lecturers and students. The activity was attended by people who are members of the Coffee Farmers, the Mitra Sejati Jaya cooperative partner team, local residents, lecturers from ITSI and supported by ITSI students. The results of this community service activity were able to educate the community in the Innovation of Mechanical Coffee Dryers.ABSTRAKKopi sebagai salah satu komoditas Perkebunan Indonesia yang memiliki potensi pengembangan masih sangat baik, mengingat konsumsi kopi di Indonesia masih sangat tinggi. Saat ini, permasalahan yang terjadi di Kabupaten Simalungun ialah teknologi pengeringan yang masih konvensional yang beresiko terhadap inkonsistensi mutu dan cita rasa sehingga perlu dibenahi dan diberi solusi. Tim mitra adalah Koperasi Mitra Sejati Jaya, dimana kegiatan pengabdian masyarakat dilaksanakan di daerah Sait Buttu, Kecamatan Pematang Sidamanik, Kabupaten Simalungun, Sumatera Utara yang merupakan salah satu lokasi penanaman kopi arabika. Tujuan dari kegiatan ini dapat menciptakan alat dan teknologi tepat guna yang cerdas berbasis IT yaitu Pemanis Pintar ARDUINO UNO sebagai solusi atas permasalahan mitra dan kelompok masyarakat pengolah kopi, kemudian meningkatkan petani kopi dalam mendukung perbaikan mutu cita rasa kopi arabika melalui teknologi pengeringan pintar yang efisien, portable, dan ramah lingkungan. Solusi yang dapat diberikan yaitu berupa kegiatan pengabdian masyarakat yang dilakukan oleh tim dosen dan mahasiswa Institut Teknologi Sawit Indonesia (ITSI) berupa metode penyuluhan, sosialisasi dan edukasi terkait teknis inovasi alat yang disebut Pemanis Pintar ARDUINO UNO. Kegiatan pengabdian masyarakat ini dilaksanakan selama ±60 hari yang terdiri dari tahap persiapan yang terdiri atas survei kelengkapan dan preparasi, perakitan dan finishing serta pra uji, sosialisasi dan edukasi serta pelaksanaan kegiatan pengabdian kepada masyarakat oleh dosen serta mahasiswa ITSI. Kegiatan dihadiri oleh orang yang tergabung dalam Petani Kopi, Tim mitra koperasi Mitra Sejati Jaya, warga setempat, dosen dari ITSI serta didukung oleh mahasiswa ITSI. Hasil dari kegiatan pengabdian masyarakat ini mampu mengedukasi masyarakat dalam Inovasi Alat Pengering Mekanis Kopi.
Co-Authors Adini, Izmi Andi Prayogi Andika, Wahyu Annisa Lutfi Alwi Busrizal Faisal Friska Anggraini Barus Giyanto . Guntoro, Guntoro Heri Purwanto Ichsan, Onne Akbar Nur Ika Ucha Pradifta Rangkuti Jojor Indriani Samosir Junaidi Junaidi Kusumaningtyas, Rizky Nirmala Lubis, Fadli Akbar Lubis, Fadli Akbar Maisarah Muhammad Akbar Syahbana Pane Muhammad Yusuf Dibisono Rahmad Dian Rahmad Dian Rahmad Dian Ratu Mutiara Siregar Samosir, Jojor Indriani Sembiring, Arifa Sura Simamora, Michael Kurniawan Siregar, Arfan Kirana Siregar, Muhammad Taufik Siti Aisyah Siti Aisyah Sri Wahyuna Saragih Supriyadi Supriyadi Yehezkiel Sinuraya Yudi Rahmadian Zulham Effendi Zulham Effendi