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All Journal SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi Community Development Journal: Jurnal Pengabdian Masyarakat ABSYARA: Jurnal Pengabdian Pada Masyarakat AMMA : Jurnal Pengabdian Masyarakat Jurnal Polimesin
Raditya Artha Rochmanto
Politeknik Negeri Semarang
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Public Health Other

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PELATIHAN PERAKITAN ROBOT LINE FOLLOWER DIGITAL UNTUK SISWA SEKOLAH ALAM NURUL FURQON REMBANG Raditya Artha Rochmanto; Aminuddin Rizal; Roni Apriantoro; Ilham Sayekti; Sri Kusumastuti; Septiantar Tebe Nursaputro; Muhamad Cahyo Ardi Prabowo; Eri Eli Lavindi; Vinda Setya Kartika
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 4 No. 2 (2023): Volume 4 Nomor 2 Tahun 2023
Publisher : Universitas Pahlawan Tuanku Tambusai

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Abstract

Industri 4.0 telah diperkenalkan sejak tahun 2011 di Jerman dan sudah mengalami banyak perkembangan dan telah diterapkan di berbagai penjuru dunia, tidak terkecuali di Indonesia. Berkembangnya industri 4.0 tentu saja perlu didukung dengan perkembangan ilmu pengetahuan lain pendukungnya salah satunya autonomous robot. Pada industri 4.0, robot sendiri memiliki peran penting untuk menjalankan proses otomasi di industri. Salah satu kunci keberhasilan revolusi industri 4.0 bergantung pada kemampuan sekolah dan perguruan tinggi dalam memberikan ilmu robotika pada siswa didiknya. Salah satu jenis robot yang dapat digunakan sebagai pembelajaran robotika pada siswa adalah robot line follower digital. Sekolah Alam Nurul Furqon sebagai salah satu lembaga pendidikan di Kabupaten Rembang tentu saja tidak ingin tertinggal mengikuti perkembangan teknologi robot untuk meningkatkan kualitas anak didiknya. Oleh karena itu, Tim dosen Polines memberikan solusi dengan memberikan pelatihan perakitan robot line follower digital pada siswa Sekolah Alam Nurul Furqon. Penggunaan robot line follower digital terbukti dapat menjadi media interaktif yang tepat untuk memperkenalkan robot dan meningkatkan keterampilan yang dibutuhkan untuk dapat membuat robot. Berdasarkan hasil dari kegiatan menunjukkan tim dari Politeknik dapat membantu pengelola dan guru Sekolah Alam Nurul Furqon dalam menyelesaikan masalah kurangnya pengetahuan mengenai robot dan keterampilan dalam pembuatan robot sehingga siswa Sekolah Alam Nurul Furqon dapat mengikuti perkembangan teknologi di era industri 4.0.
Desain Antena Mikrostrip Rectangular Frekuensi 3,5 GHz Menggunakan Metode Slits Shinta Romadhona; M. Panji Kusuma Praja; Raditya Artha Rochmanto
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 9 No 2 (2023): Agustus: Article In Progres
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol9.no2.a15581

Abstract

In the frequency spectrum of 5G technology, there are three sub-frequencies, namely low band, midband, and high band. For the midband frequency, such as 3.5 GHz, it requires high data speed and wide coverage to support Enhanced Mobile Broadband (eMBB) services with high quality. Therefore, antennas are needed to meet the transmitter and receiver requirements for the 3.5 GHz operating frequency. An antenna with small dimensions is necessary to be used in limited spaces, thus a rectangular microstrip antenna with slit method is designed. For this research, it is limited to simulations using HFSS 15 to find the maximum possible optimization values by adjusting patch dimensions, substrate, and strip line. The return loss result at the operating frequency of 3.5 GHz is -20.0202 dB, and the VSWR is 1.2216. The final step is to add the slit method, which aims to improve the return loss, VSWR, and reduce the antenna dimensions. The optimization result with the slit method is achieved with a patch width of 25.43 mm and a patch length of 19.67 mm. The VSWR value decreases by 0.0701, indicating improved performance. The magnitude gain of the antenna is 3.8253 dB at a theta angle of 360 degrees.
Penerapan Sistem Kontrol Berbasis IoT Pada Pompa Air Pertanian Di Desa Batur Sri Kusumastuti; Sindung Hadwi Widi Sasono; Raditya Artha Rochmanto; Vinda Setya Kartika; Achmad Fahrul Aji
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 5 : Juni (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Batur Village, Batur Sub-district, Banjarnegara District, faces challenges in managing water for agricultural purposes. The current manual irrigation system is time- and labor-intensive and increases the risk of pump damage. To overcome this, an Internet of Things (IoT)-based pump control system is implemented to improve efficiency and productivity. The system automatically activates the water suction pump based on the water level in the reservoir and sets the irrigation schedule. The implementation process includes site survey, system design, installation, training, and evaluation. The system allows farmers to monitor and control irrigation through a smartphone-based application. The implementation results show that the system can reduce manual work, minimize the risk of pump damage, and ensure optimal water availability. In addition, this technology supports more efficient water management, increases agricultural yields, and provides a positive economic impact for farmers.
Peningkatan Efisiensi Produksi Dan Daya Saing Produk Keripik Singkong UMKM Sri Kusumastuti; Sindung Hadwi Widi Sasono; Raditya Artha Rochmanto; Vinda Setya Kartika
AMMA : Jurnal Pengabdian Masyarakat Vol. 5 No. 4 : Mei (2026): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Micro, Small, and Medium Enterprises (MSMEs) producing cassava chips in Rejosari, Trisobo, Boja, Kendal Regency have significant economic potential due to the availability of local raw materials. However, manual production processes and simple packaging limit production efficiency and product competitiveness. This program aimed to improve production efficiency, product quality, and competitiveness through the application of appropriate technology combined with training and assistance. The implementation methods included problem identification, application of a cassava slicing machine, training on production equipment usage, packaging training using a plastic sealer, product labeling, and monitoring and evaluation. The results show that the cassava slicing machine significantly reduced processing time and produced more uniform slices. Packaging and labeling training improved product hygiene, appearance, and identity. Overall, the program positively impacted production efficiency, packaging quality, and the competitiveness of MSME cassava chip products in the local market.
A laboratory-scale 3-axis automated storage and retrieval system prototype for electronic component management Sri Kusumastuti; M. Ihya’ Ulumuddin; Cleva Tusara Kumbalany; Sihono Sihono; Vinda Setya Kartika; Raditya Artha Rochmanto; Suryono Suryono; Aminuddin Rizal
Jurnal Polimesin Vol 24, No 2 (2026): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i2.8148

Abstract

Efficient storage and retrieval of electronic components remain challenging in laboratory-scale environments due to reliance on manual handling. This study presents the development and experimental evaluation of a laboratory-scale three-axis Automated Storage and Retrieval System (ASRS) prototype designed for electronic component management. The proposed system uses a combination of servo and stepper motors to provide controlled motion along the X, Y, and Z axes. It is managed by a Programmable Logic Controller (PLC) integrated with a Human–Machine Interface (HMI). Manual operation is used for system calibration and motion adjustment, while automatic operation facilitates sequential storage and retrieval processes. We evaluated the system's performance by measuring positional accuracy and deviation at multiple target rack locations. The results show that the system achieves positioning accuracy of 84.62% - 95.38%, with absolute deviations between 0.3 and 1 cm. These findings demonstrate that the ASRS prototype is a feasible solution for effective laboratory-scale automation in storage applications and for PLC-based educational purposes.
Penerapan Smart Greenhouse Hidroponik Berbasis IoT Menggunakan EBT di Nurus Sunnah Farm Vinda Setya Kartika; Achmad Fahrul Aji; Sri Kusumastuti; Raditya Artha Rochmanto; Sifa Nur Hidayat; Sadewa Alfansuri Putra
ABSYARA: Jurnal Pengabdian Pada Masayarakat Vol 6 No 1 (2025): ABSYARA: Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/ab.v6i1.28692

Abstract

Public awareness of healthy lifestyles has increased the demand for fresh vegetables. However, limited land availability due to population growth poses a challenge for agricultural production. Hydroponics offers a solution without requiring large areas of land, yet its success depends heavily on controlling environmental parameters such as pH, temperature, and nutrients. This community service project aimed to implement smart greenhouse technology based on the Internet of Things (IoT) powered by renewable energy (RE) for curly lettuce cultivation at Nurus Sunnah Farm, Semarang City. The implementation stages included site surveys, system design and fabrication, installation, training, mentoring, and sustainability evaluation. The developed system utilized solar panels as an energy source and was equipped with three types of sensors (pH, TDS, temperature/humidity) integrated with ESP32 and an online monitoring platform. The results showed that the system was able to monitor and control hydroponic parameters in real time, with a pH sensor reading error of 0.0231 and a TDS sensor error of 0.0116. This innovation facilitates the management of nutrients, pH, and temperature, while reducing dependence on electricity from the national grid. The application of this technology has proven to enhance management efficiency, potentially maximize crop productivity, and support sustainable agriculture based on renewable energy
PEMASANGAN ALAT FERMENTASI TEMPE DENGAN PENGENDALIAN SUHU DI UKM TEMPE SUMURREJO Aggie Brenda Vernandez; Eriko Arvin Karuniawan; Setyoko Setyoko; Triyono Triyono; Endro Wasito; Lilik Eko Nuryanto; Adi Wasono; Aji Hari Riyadi; Raditya Artha Rochmanto
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 7 No. 4 (2026): Inpress Vol. 7 No. 4 (2026)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v7i4.58068

Abstract

UKM Tempe Sumurrejo yang berlokasi di Dusun Dampyak, Kecamatan Gunungpati, Kota Semarang, masih menerapkan proses fermentasi tempe secara manual dengan waktu fermentasi relatif lama, yaitu 36–48 jam, serta kondisi suhu dan kelembapan yang tidak stabil. Ketidakstabilan tersebut berpotensi menurunkan kualitas tempe dan meningkatkan risiko kegagalan produksi. Kegiatan Pengabdian kepada Masyarakat Pratama (PMP) ini bertujuan untuk merancang, memasang, dan mengimplementasikan alat fermentasi tempe otomatis yang dilengkapi dengan sistem pemantauan dan pengendalian suhu serta kelembapan berbasis PLC, SCADA, dan Internet of Things (IoT). Sistem dikembangkan menggunakan PLC Outseal Mega V3, mikrokontroler ESP32, serta sensor DHT21 untuk memantau suhu dan kelembapan secara real-time, dengan aktuator berupa heater dan exhaust fan sebagai pengendali lingkungan fermentasi. Metode pelaksanaan meliputi survei dan identifikasi kebutuhan mitra, perancangan dan pengujian alat, pemasangan di lokasi mitra, pelatihan pengoperasian dan perawatan alat, serta pendampingan pasca-implementasi. Hasil kegiatan menunjukkan bahwa alat fermentasi tempe otomatis mampu menjaga kestabilan suhu pada rentang optimal 30–35 °C dan menghasilkan tempe matang fase transisi secara lebih konsisten dengan kapasitas hingga 40 buah tempe per siklus fermentasi. Penerapan teknologi ini diharapkan dapat meningkatkan efisiensi proses produksi, kualitas hasil tempe, serta kemandirian dan kompetensi mitra dalam pemanfaatan teknologi tepat guna berbasis otomasi dan IoT.
Co-Authors Achmad Fahrul Aji Adi Wasono Aggie Brenda Vernandez Aji Hari Riyadi Aminuddin Rizal Cleva Tusara Kumbalany Endro Wasito Eri Eli Lavindi Eriko Arvin Karuniawan Ilham Sayekti Lilik Eko Nuryanto M. Ihya’ Ulumuddin M. Panji Kusuma Praja Muhamad Cahyo Ardi Prabowo Roni Apriantoro Sadewa Alfansuri Putra Septiantar Tebe Nursaputro Setyoko Setyoko Shinta Romadhona Sifa Nur Hidayat Sihono Sihono Sindung Hadwi Widi Sasono Sri Kusumastuti Suryono Suryono Triyono Triyono Vinda Setya Kartika