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Workshop STEM Robotik Bagi Siswa dan Guru di SMPN 32 Muaro Jambi Nehru Nehru; Cicyn Riantoni; Samratul Fuady; Oki Saputra; Yosi Riduas Hais; Devie Novallyan
Jurnal Anugerah Vol 5 No 1 (2023): Jurnal Anugerah: Jurnal Pengabdian kepada Masyarakat Bidang Keguruan dan Ilmu Pen
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/anugerah.v5i1.4376

Abstract

Pelaksanaan workshop Science, Technology, Engineering, and Mathematics (STEM) Robotik di SMPN 32 Muaro Jambi dilatarbelakangi oleh hasil studi awal yang menunjukkan kesulitan para Guru dalam menyiapkan dan memberikan tugas proyek kepada Siswa. Kegiatan workshop ini dilakukan melalui kolaborasi Dosen Universitas Jambi, Universitas Dinamika Bangsa dan UIN Sulthan Thaha Saifuddin Jambi. Kegiatan ini bertujuan untuk meningkatkan pemahaman Guru tentang kegiatan proyek terintegrasi STEM Robotik dan motivasi belajar Siswa. Kegiatan ini dilakukan dengan metode workshop. Subjek pengabdian terdiri dari 12 Guru dan 31 Siswa kelas VII. Instrumen pengabdian berupa soal tes esai untuk mengetahui pemahaman Guru tentang pembelajaran berbasis proyek terintegrasi STEM robotic dan lembar kuesioner untuk mendapatkan data motivasi belajar Siswa. Teknik pengumpulan data adalah dengan tes dan survei. Analisis data peningkatan pemahaman Guru dilakukan dengan uji N-Gain dan paired t-test, sedangkan motivasi belajar Siswa dikodekan berdasarkan jawaban Siswa pada setiap item dalam kuesioner. Hasil workshop menunjukkan data N-Gain sebesar 0,4 dan paired t test sebesar 0,00, yang artinya kegiatan ini memberikan kontribusi positif dalam meningkatkan pemahaman Guru dalam memahami konsep dan implementasi pembelajaran proyek yang terintegrasi STEM Robotik. Selain itu, data motivasi belajar Siswa menunjukkan bahwa kegiatan wokshop ini menjadikan Siswa termotivasi untuk lebih terlibat aktif dalam belajar.
RANCANG BANGUN SISTEM MONITORING DAN KONTROL PENGGUNAAN AIR PDAM BERBASIS INTERNET OF THINGS Julian Anggara; Nehru Nehru; Yosi Riduas Hais
Physics and Science Education Journal (PSEJ) Physics and Science Education Journal (PSEJ), Volume 3 Nomor 2, Agustus 2023
Publisher : Physics Education Departement, Islamic State University Sulthan Thaha Saifuddin Jambi - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/psej.v3i2.1866

Abstract

The water usage recording system for PDAM customers still uses a manual data collection system by officers. The problem is that officers do not carry out routine records but only estimate water usage based on previous month's usage. This results in swelling when recording after several months of use. The aim of this research is to 1) design an IoT-based PDAM water use monitoring and control system tool and 2) analyze the performance of the PDAM water use monitoring and control tool. An IoT-based PDAM water usage monitoring and control tool equipped with a YF-S201 water flow sensor to read how much water is flowing. This tool is also equipped with a solenoid valve which functions as a tap to turn the water on and off and NTP (network time protocol) which is used as a timer. The testing is carried out to determine the overall performance of the tool such as waterflow sensor performance, web application performance and communication between the controller and the web application. The test results of the YF-S201 water flow sensor can read water flow with an average error of 0.78%. This sensor can work well in reading water flow because the greater the water flow that passes through it, the smaller the error value will be. The selenoid valve can also run smoothly when the website gives a command to turn the valve on or off. The website can display the values ​​produced by the water flow sensor precisely and accurately.
Design and Development of a Flood Detection Device for Drainage Systems Utilizing Float Switch Water Level Sensors Yosi Riduas Hais; Edi Saputra; Aldo Tri Ilham Zk; Andre Raboula
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 1 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i1.20974

Abstract

Indonesia ranks second in Asia Pacific in the list of the highest number of deaths due to natural disasters. In a year, more than 300 flood events occur, resulting in large losses, environmental damage and even loss of life. To overcome this problem, it is necessary to design a tool for monitoring water levels and rainfall. This research aims to design a flood detection system using the fuzzy method and using a float switch water level sensor. The results of the research show that this system can monitor water levels and rainfall using a web server. In the first test, it produces a fuzzy warning level in a safe condition. In the second test, the water level reached 51 cm with rainfall of 0.47 mm, and the fuzzy warning level was in a safe condition. Finally, in the third test, the average water level reached 99 cm with rainfall of 0.69 mm, resulting in a fuzzy warning level in an alert state. It can be concluded that this system needs to be improved in quality by adding items to the system.
Development of PLTS Trainers as Learning Media in the Energy Conversion Laboratory Ardo Alensyah; Nehru Nehru; Abdul Manab; Yosi Riduas Hais; Dasrinal Tessal; Wawan Kurniawan
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 1 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i1.19674

Abstract

Enhancing the quality of learning is worthy by the availability of PLTS trainers. This work intends to build and create PLTS trainers as learning material for renewable energy generation. The preparation of this study was divided into two stages: first, a PLTS media trainer kit and a practical training module that functioned as a handbook for using the media trainer were created. The ADDIE method is used as the development model for the practical guiding module and media trainer. Based on the data analysis findings show that the 10Wp solar module can provide a maximum energy of 5.11Wp for 11 hours when charging a 7.5Ah battery. With a 63 Watt total load, the PLTS trainer's Ah battery can run for 37 minutes. With an average percentage of 93% and 92%, respectively, the material expert validator and media expert have deemed the media trainer and practicum instruction module feasible. This places them in the very good category
PLANNING FOR PUBLIC STREET LIGHTING (PJU) BASED ON SOLAR POWER SPREADED IN PUBLIC FACILITIES AREAS Hais, Yosi Riduas; Ramades, Rudi; Manab, Abdul
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Publisher : RELE (Rekayasa Elektrikal dan Energi) : Jurnal Teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/rele.v7i1.19228

Abstract

Planning for Public Street Lighting (PJU) with Solar Power Plants (PLTS) consists of identifying the location of PJU points, analyzing energy needs, choosing the right components and RAB. Take into account factors such as light intensity and environmental conditions at Jambi University, because at Jambi University there are still many PJUs that lack lighting and some are completely dead. This planning aims to create an efficient and sustainable system such as Careful selection of materials, technical design and financing are key steps in ensuring the successful implementation of PJU PLTS planning, which will ultimately provide the benefits of environmentally friendly and energy efficient street lighting. The data collection location was in the Jambi University campus area, a field study was carried out to determine the lighting needs in PJUs. The measurement results were analyzed by referring to PUPR Ministerial Regulation Number 25/PRT/M/2022 concerning street lighting specifications in urban areas, knowing how many panels will be used, measure the width of the main road and to measure the width of the green open space, design the PJU PLTS design and calculate the RAB to describe the installation that will be used in the planning that will be carried out. The results of the design planning for 1 lane PLTS PJU and 2 lane PLTS PJU with different heights, 1 lane PLTS PJU has a height of 7 meters while 2 lane PLTS PJU has a height of 12 meters, 1 lane PLTS PJU and 2 lane PLTS PJU also have differences in the distance between lights, 1 lane PLTS PJU, the distance between lights is 1.5 meters and 2 lane PLTS PJU, the distance between lights is 3 meters. The two PLTS PJUs both use concrete foundations because the concrete foundation has very great strength so that it can withstand the load of the PLTS PJU poles well and the total RAB required for planning the PLTS PJUs requires funds of IDR 1,509,816,000.
Pengembangan Alat Pengukur Kekuatan Tendangan Beladiri Pencak Silat dengan Sensor Load Cell Hardiansyah, Harry; Manab, Abdul; Hais, Yosi Riduas
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol 15, No 2 (2024): JURNAL SIMETRIS VOLUME 15 NO 2 TAHUN 2024
Publisher : Fakultas Teknik Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/simet.v15i2.12169

Abstract

Pencak silat meningkatkan kekuatan fisik melalui teknik latihan pencak silat. Oleh karena itu diperlukan alat yang dapat mendukung hal tersebut, pencak silat memiliki 3 macam teknik tendangan utama yaitu, tendangan T, tendangan sabit, dan tendangan lurus. Berdasarkan pengamatan yang dilakukan oleh peneliti bahwasannya pada latihan teknik pencak silat, untuk pengukuran pencak silat masih dilakukan secara manual dan pengukuran waktu masih berupa stopwatch. Pengukuran konvensional seperti ini sering terjadi kesalahan pengukuran atau human error. Sebelumnya sudah dilakukan pengembangan alat menggunakan sensor force sensing resistor (FSR), namun alat ini masih belum akurat dalam pengukuran tendangan. Penelitian ini bertujuan untuk merancang alat pengukur kekuatan tendangan beladiri pencak silat, agar kekuatan tendangan dapat diukur dengan benar. Sehingga dirancang alat pengukur kekuatan tendangan menggunakan sensor load cell. Alat ini dilengkapi dengan fitur waktu dan penghitungan jumlah tendangan untuk mendapatkan rata – rata dari setiap tendangan, hasil pengukuran ditampikan menggunakan LCD, kemudian fitur website untuk menyimpan dan memonitoring data tendangan. Hasil penelitian pada pengujian kalibrasi sensor load cell memiliki rata – rata persentase eror 1.58% dan untuk eror timer yaitu 0%. Sedangkan rata -rata dan jumlah tendangan setiap kali percobaan pengujian latihan teknik tendangan pancak silat dalam 10 kali percobaan tendangan dengan waktu yang ditetapkan 60 detik yaitu, tendangan lurus memiliki jumlah rata - rata nilai 12,4 tendangan dengan rata – rata kekuatan tendangan 64.31 kg, tendangan sabit memiliki jumlah rata - rata nilai 17,7 tendangan dengan rata – rata kekuatan tendangan 20.21 kg, tendangan T memiliki jumlah rata – rata nilai 10,8 tendangan dengan rata – rata kekuatan tendangan 39.71 kg.
PENERAPAN SISTEM KONTROL DAN MONITORING LEVEL AIR BERBASIS INTERNET Of THINGS (IoT) DENGAN TELEGRAM DI HANZA FARM SEBAGAI STRATEGI PENGUATAN PRODUKTIVITAS PERTANIAN HIDROPONIK Hais, Yosi Riduas; Nehru, Nehru; Fuady, Samratul; Rabiula, Andre; Fortuna, Dewi; Damayanti, Liza
EJOIN : Jurnal Pengabdian Masyarakat Vol. 2 No. 5 (2024): EJOIN : Jurnal Pengabdian Masyarakat, Mei 2024
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/ejoin.v2i5.2857

Abstract

Hidroponik merupakan budidaya pertanian yang tidak menggunakan tanah sebagai medianya. Kelebihan dalam bercocok tanam menggunakan media non tanah adalah salah satu cara penghematan lahan dan juga tidak memakan banyak biaya. Untuk kelemahan nya sendiri adalah perlu nya ketelitian tinggi. Hidroponik Hanza Farm menggunakan jenis hidroponik dengan metode Nutrifit Film Technique (NFT) di lahan terbuka. Hidroponik di lahan terbuka menimbul permasalahan yang lebih kompleks dari pada jenis hidroponik pada green house, namun dari sisi investasi lebih menguntungkan. Belum ada penerapan teknologi, baik konvensional maupun otomastis pada hidroponik mitra. Semuanya masih dikontrol secara konvensional oleh manusia. Pengendalian level air pada tandon dan sirkulasi air hidroponik masih menggunakan tenaga manusia, yang terkadang terjadi human error. Terbuangnya nutrisi pada saat kondisi hujan, karena air tandon yang sudah di isi dengan nutrisi menjadi tumpah karena tambahan air hujan.  Tumbuhan hidroponik menjadi layu dan kering akibat sirkulasi air yang tidak terkontrol. Untuk mengatasi masalah tersebut, maka diterapkan teknologi sistem otomatis. Pada pengabdian ini difokuskan pada masalah kontrol level air pada tandon nutrisi hidroponik. Sistem kontrol dan monitoring level air dibangun berbasis Internet of Things (IoT) menggunakan aplikasi telegram. Perangkat yang digunakan untuk mengukur level air berupa sensor level swicth. Data yang dibaca sensor kemudian dikirimkan ke NodeMCU ESP8266. NodeMCU akan mengolah data dan mengontrol on/off dari pompa, kemudian data juga dikirim ke telegram user menggunakan internet. Sehingga user dapat memonitoring dan mengontrol level air dari jarak jauh. Berdasarkan hasil pengujian yang telah dilakukan terhadap alat pendeteksi  banjir ini dapat ditarik kesimpulan bahwa, perangkat dapat mengukur ketinggian sebagaimana fungsinya, sensor jarak mampu mengukur ketinggian air dengan tingkat error -3 cm diatas jarak 150 cm dan rata-rata delay pengiriman data dari telegram ke Hidroponik adalah 3 detik. Dengan penerapan alat ini petani lebih mudah untuk memonitoring kondisi cuaca dan level air dari jarak jauh. Selain memonitoring alat ini juga dapat dikendalikan untuk mengaktifkan dan mengnonaktifkan pompa air.
ADDIE-Based Development of a Solar-Powered Sprayer for Efficient Weed Control in Remote Oil Palm Plantations Abdul Manab; M Bahrul Muttaqin; Andre Rabiula; Ramadhani, Salisa 'Asyarina; Yosi Riduas Hais; Desrinal Tessal
JURNAL NASIONAL TEKNIK ELEKTRO Vol 14, No 2: July 2025
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v14n2.1221.2025

Abstract

Oil palm plantations in Indonesia demand efficient weed control methods, particularly for large-scale operations in remote areas. Manual pesticide sprayers are still commonly used, but they require high labor, long operating time, and are not energy-efficient. This study presents the design and development of a solar-powered pesticide sprayer using the ADDIE method—Analysis, Design, Development, Implementation, and Evaluation. The prototype consists of a 50 Wp monocrystalline solar panel, two 12V 24Ah VRLA batteries, a DC pump with variable pressure levels, and an Automatic Transfer Switch (ATS) for alternating battery use. The system is mounted on a frame suitable for motorcycle transport to improve field mobility and adaptability in plantation environments. Development followed all ADDIE phases and was validated through real-world field testing. Results showed a 75% reduction in spraying time—from 8 hours (manual) to 2 hours—with a maximum pressure of 70 PSI and a spray reach of 3.5 meters. The ATS allowed uninterrupted operation under varying sunlight conditions. This design offers greater energy efficiency, continuous usability, and flexible deployment compared to similar systems. The findings demonstrate the feasibility of applying solar energy to support sustainable weed management in off-grid agricultural settings, highlighting its potential for broader agricultural mechanization.
Design of a Flood Detection System Using VL53L1X Sensor Based on SMS Gateway Hais, Yosi Riduas; Hamganisyah, Fadhil Islah; Saputra, Edi
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol. 9 No. 2 (2025)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/7r0ewd48

Abstract

Floods often occur suddenly, disrupting community activities, damaging infrastructure, and threatening human lives. Traditional flood monitoring methods, such as using rulers at dams or floodgates, are less effective because they cannot provide real-time alerts. Therefore, a more efficient and responsive system is needed. This research focuses on the design and development of a flood early detection system using the VL53L1X sensor integrated with an SMS Gateway. The system is capable of monitoring both water levels and rainfall in real-time and automatically sending notifications when potential flooding is detected. The study applies the ADDIE method—Analysis, Design, Development, Implementation, and Evaluation—to ensure systematic development and testing. Based on experimental results, the system successfully measured water levels and rainfall while sending SMS notifications. In the first test, the water level was 29.8 cm with 19.25 mm of rainfall, categorized as safe. In the second test, the water level rose to 59.9 cm with 45 mm of rainfall, generating a warning alert. The third test showed a water level of 81.5 cm and rainfall of 47.75 mm, categorized as danger. The system demonstrated reliable performance, with an average notification delay of just three seconds, proving effective for early flood detection
Development of PLTS Trainers as Learning Media in the Energy Conversion Laboratory Alensyah, Ardo; Nehru, Nehru; Manab, Abdul; Hais, Yosi Riduas; Tessal, Dasrinal; Kurniawan, Wawan
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol. 8 No. 1 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i1.19674

Abstract

Enhancing the quality of learning is worthy by the availability of PLTS trainers. This work intends to build and create PLTS trainers as learning material for renewable energy generation. The preparation of this study was divided into two stages: first, a PLTS media trainer kit and a practical training module that functioned as a handbook for using the media trainer were created. The ADDIE method is used as the development model for the practical guiding module and media trainer. Based on the data analysis findings show that the 10Wp solar module can provide a maximum energy of 5.11Wp for 11 hours when charging a 7.5Ah battery. With a 63 Watt total load, the PLTS trainer's Ah battery can run for 37 minutes. With an average percentage of 93% and 92%, respectively, the material expert validator and media expert have deemed the media trainer and practicum instruction module feasible. This places them in the very good category