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All Journal Jurnal Teknologi Elektro Angkasa: Jurnal Ilmiah Bidang Teknologi Aviation Electronics, Information Technology, Telecommunications, Electricals, and Controls (AVITEC) JTIKOM: Jurnal Teknik dan Sistem Komputer Journal Social Science And Technology For Community Service Journal of Soft Computing Exploration Journal of Engineering and Information Technology for Community Service Jurnal Indonesia Sosial Teknologi Indonesian Research Journal on Education Electrician : Jurnal Rekayasa dan Teknologi Elektro Hanif Journal of Information Systems
Jaka Persada Sembiring
Universitas Teknokrat Indonesia
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Rancang Bangun Sistem Solar Panel Portable Sembiring, Jaka Persada; Stiyawan, Imas; Susanto, Try; Putri, Novia Utami
Jurnal Teknologi Elektro Vol 14, No 3 (2023)
Publisher : Electrical Engineering, Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jte.2023.v14i3.002

Abstract

Pembangkit Listrik Tenaga Surya (PLTS) merupakan energi terbarukan yang ramah lingkungan dengan memanfaatkan energi alam yaitu sinar matahari sebagai sumber utama, sumber energi matahari juga dapat digunakan untuk mengatasi krisis energi yang ramah lingkungan, mengurangi pemanasan global (global warming) dan pencemaran udara. PLTS bekerja berdasarkan energi matahari akan diubah menjadi energi listrik dengan memanfaat panel surya atau solar cell. Tujuan dari penelitian ini dengan melakukan perancangan dan membuat suatu perangkat portable PLTS untuk masyarakat (dalam lingkup umum) yang berkativitas dan bekerja diluar rumah yang tidak terjangkau energi listrik. Solar cell yang digunakan berjenis polycristaline dengan kapasitas 30 Wp, dilengkapi SCC 10A, baterai 3.5Ah dan inverter, beban lampu 10 Watt (AC), satu unit box panel. Perlu juga adanya pemantauan tegangan dan arus guna memudahkan pada saat proses perawatan, perancangan alat monitoring arus dan tegangan menggunakan microcontroller arduino uno dengan pembacaan sensor menggunakan ACS712 dan sensor tegangan DC. Hasil penelitian menunjukan keluaran solar panel dengan rata-rata tegangan yang dihasilkan 19.4 V dan rata-rata arus 0.5 A dilakukan pengambilan data selama 4 jam. Hasil pengukuran output beban, pada pengujian pengecasan handphone dengan lama waktu pengecasan 30 menit mampu menambah daya handphone sebanyak 20 persen dan menghabiskan tegangan 0.50 Volt pada baterai. Kemudian pengujian beban lampu 10 Watt selama 30 menit menghabiskan tegangan 0.7 Volt pada baterai.
Measuring the capacity limit in children's school bags using ESP32 microcontroller and GPS tracker Putri Oktari; Jaka Persada Sembiring
Jurnal Indonesia Sosial Teknologi Vol. 5 No. 6 (2024): Jurnal Indonesia Sosial Teknologi
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jist.v5i6.1060

Abstract

Backpacks are the main choice for students as a means of carrying school supplies and materials, but often they do not pay attention to the weight of the load they carry every day, potentially causing injuries and pain in the back. This study aims to design and implement a capacity limit measuring device on children's school bags using the ESP32 microcontroller as the control center. The tool is equipped with a 10kg load cell sensor to accurately measure the weight of the bag, as well as a keypad as a user interface to easily enter the child's weight. Safety is also considered with the addition of a buzzer as an alarm if the weight of the bag's capacity exceeds the set limit. GPS trackers are also integrated to monitor the geographical location of bags, allowing parents to monitor the movement of children and the location of bags directly through Telegram bots. With ESP32 as the brain, this tool provides a comprehensive solution to maintain the health and safety of children in carrying their school load. This tool also utilizes Telegram technology to provide direct notifications about the weight and location of children's bags to parents or other users. Telegram bots connected to this tool automatically transmit this information, providing additional convenience and security for users.
Computer Vision-Based Lettuce and Plantweed Segmentation Using YOLO and Segment Anything for Precision Agriculture Akhmad Jayadi; Adi Ahmad Fauzi; Muhammad Ikhsan; Jaka Persada Sembiring; Ahmad Rofi'i
Hanif Journal of Information Systems Vol. 4 No. 1 (2026): August Edition
Publisher : Ilmu Bersama Center

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Abstract

The presence of weeds in lettuce cultivation areas can reduce plant productivity because they compete for nutrients, water, and light. Manual weed identification requires considerable time and effort, so an automated system based on computer vision is needed . This study proposes the integration of the YOLO11s model and the Segment Anything Model (SAM) to detect and segment lettuce plants and weeds in agricultural environments. The dataset used consists of 741 training images , 212 validation images , and 106 testing images with two object classes, namely Lettuce and Plantweed . The YOLO11s model was trained for 100 epochs using an image size of 640 × 640 pixels and a batch size of 106 . 16. The training results show that the model obtained an mAP@50 value of 87.8%. And mAP@50–95 was 80.0% , indicating good object detection capability. Furthermore, the bounding box coordinates of the detection results were used as prompts in the Segment Anything Model to generate mask -shaped segmentations that follow the object contours more precisely. The experimental results show that the integration of YOLO11s and SAM is able to produce more detailed object representations compared to detection using bounding boxes alone. This approach has the potential to support various precision agriculture applications, such as plant morphology analysis, leaf area estimation, and the development of automated weed control systems .
Rancang Bangun Pembangkit Listrik Tenaga Bayu Menggunakan Turbin Archimedes Tiga Sudu untuk Penerangan Unit Bisnis Elka Pranita; Bagus Roudhotul Firdaus; Muhammad Anwar Sadat Faidar; Fika Trisnawati; Sigit Doni Ramdan; Jaka Persada Sembiring; Novia Utami Putri
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 18, No 3 (2026): Agustus
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/angkasa.v18i3.4153

Abstract

Kebutuhan energi listrik di Indonesia terus meningkat, sementara pasokan listrik masih didominasi energi fosil sehingga diperlukan energi alternatif yang berkelanjutan. Salah satu potensinya adalah energi angin melalui PLTB. Penelitian ini bertujuan menganalisis pemanfaatan energi angin di Pantai Gunung Kunyit, Bandar Lampung, menggunakan turbin angin tipe Archimedes yang cocok bekerja pada kecepatan angin rendah. Metode penelitian dilakukan dengan mengukur parameter teknis menggunakan anemometer untuk mengukur kecepatan angin, tachometer untuk mengukur putaran generator, serta multimeter untuk mengukur tegangan dan arus listrik. Metode penelitian dilakukan dengan mengukur kecepatan angin, putaran generator, tegangan, arus, dan daya listrik. Penelitian di lakukan selama 3 hari didapatkan hasil menunjukkan kecepatan angin tertinggi sebesar 6,6 m/s pada hari ke-3 pukul 13.00 WIB menghasilkan putaran generator 277,7 rpm, tegangan 13,93 volt, arus 0,14 Ampere, dan daya 1,95 Watt. Semakin tinggi kecepatan angin, semakin besar daya listrik yang dihasilkan, sehingga turbin Archimedes berpotensi dikembangkan sebagai energi alternatif ramah lingkungan di wilayah pesisir
Co-Authors Adi Ahmad Fauzi Agrananto Ghozanfar Ahmad Rofi'i Akhmad Jayadi Akhmad Jayadi Alfiqi, Rahmat Ananda, Novan Dwiki atmaja, ariyoga Bagus Roudhotul Firdaus Dalimunthe, Ernando Rizki Dian Pratiwi Dirga Rama Setiadi Elka Pranita Ernando Rizki Dalimunthe Faidar, Muhammad Anwar Sadat Fajar Anggit Nugroho Farli Rossi Fika Trisnawati Firman Fahrodin I Wayan Sudana Lie Jasa Muhammad Anwar Sadat Faidar Muhammad Ikhsan Nanda Dana Pala Novia Utami Novia Utami Putra Novia Utami Putri Novia Utami Putri Nur Faqih Ardiantoro Nur Faqih Ardiantoro Okky Adi Darmawan Pala, Nanda Dana Pranita, Elka Pratama, Bayu Rizki Putri Oktari Qadhli Jafar Adrian Ramadhani Ahmad Prayoga Ramdan, Sigit Doni Ryan Dika Pratama S. Samsugi Selo Jelang Pangestu Sigit Doni Ramdan Solehudin Solehudin Stiyawan, Imas Susanto, Try Tri Darma Rosmala Sari Tria Prameswari Trisnawati, Fika Try Susanto Usman Nur Ikhsan Wayan Rio Adi Pratama Yusak Maryunianta Zahwa Khoirunnisa