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All Journal Jurnal Sains dan Teknologi Jurnal Sains Materi Indonesia Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains AJIE (Asian Journal of Innovation and Entrepreneurship) Jurnal Teknik AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Sinergitas PkM & CSR Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat KAIBON ABHINAYA : JURNAL PENGABDIAN MASYARAKAT Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) METAL : Jurnal Sistem Mekanik dan Termal Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri BATOBO: Jurnal Pengabdian Kepada Masyarakat
Feblil Huda
Universitas Riau
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Application of Microcontroller-Based Temperature and Humidity Control Technology with Internet of Things (IoT) System in Betuah Mushroom MSMEs: Penerapan Teknologi Pengatur Suhu Dan Kelembapan Berbasis Mikrokontroller DenganSistem Internet Of Things(Iot)Pada UMKM Jamur Betuah Padil, Padil; Febrizal, Febrizal; Eteruddin, Hamzah; Dini, Isna Rahma; Huda, Feblil
Dinamisia : Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 1 (2025): Dinamisia: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/dinamisia.v9i1.24203

Abstract

Temperature and humidity in the barn greatly affect the growth of oyster mushrooms. Therefore, it is necessary to keep air circulation inside the barn optimised. Betuah mushroom SMEs faces the difficulties in controlling both optimum temperature and humidity for oyster mushroom growth. Therefore, this serviceaims to utilise Internet of Thing (IoT) technology to regulate temperature and humidity for oyster mushroom cultivation using DHT22 sensors in Betuah mushroom MSMEs located in Tuah Madani District, Pekanbaru City. The stages of the method used include socialisation, training, technology application, mentoring and evaluation and program sustainability. From the service carried out, microcontroller-based automatic temperature and humidity control technology with an IoT system was successfully applied. The resulting tool can control the temperature and humidity in the barn according to the set limits. The produced products improved in terms of quality, which the oyster mushroom's both flesh and color is respectively not hard nor yellow. The quantity of fresh mushrooms produced is stable and increasing per day, ranging from 15-20 kg/day to 20-30 kg/day production
Bolted Joint Loosening Analysis Due to Structural Vibrations using Short-Time Fourier Transform and Wavelet Transform Rahmatsyah Maksum Ramsi; Meifal Rusli; Feblil Huda
METAL: Jurnal Sistem Mekanik dan Termal Vol. 9 No. 2 (2025): Jurnal Sistem Mekanik dan Termal (METAL)
Publisher : Department of Mechanical Engineering, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/metal.9.2.130-138.2025

Abstract

This research investigates the influence of bolt loosening on the dynamic behavior of a steel beam structure under continuous vibration excitation for 30 minutes. Bolted joints play a critical role in maintaining structural integrity; however, loosening caused by vibration remains one of the most common failure mechanisms in mechanical structures. To capture the effect of bolt loosening, acceleration responses were analyzed using time-domain inspection, Fast Fourier Transform (FFT), Short-Time Fourier Transform (STFT), and Continuous Wavelet Transform (CWT). The experimental setup involved controlled vibration excitation applied to a steel beam with bolted connections, and response signals were recorded at different stages of loosening progression. The time-domain analysis showed a gradual reduction in acceleration amplitude as bolt tightness decreased, indicating energy dissipation and stiffness loss. FFT provided an overview of frequency content but lacked sensitivity to localized variations. STFT and CWT enabled a more detailed examination of the time-frequency domain, revealing a loss of high-frequency components and significant redistribution of energy patterns during the loosening process. Both methods successfully identified shifts in natural frequencies and variations in response amplitude. Especially, CWT exhibited superior resolution in detecting early-stage loosening compared to STFT, making it more effective for practical monitoring applications. These results highlight the potential of time-frequency analysis as a diagnostic tool for vibration-based Structural Health Monitoring (SHM) systems. Early detection of bolt loosening through non-destructive vibration analysis can improve safety, reduce maintenance costs, and extend the service life of mechanical structures.
Co-Authors ', Padil Abdul Gafar Arsaf Abdul jalil, Feranita Agus Ika Putra Ahmad Fadli Ahmad Jamaan Akbar Anggriawan Akbar, Musthafa Anggriawan, Akbar Anita Susilawati Anuar, Kaspul Arisman Adnan Ariya Sujatmiko Asral, Asral Awaludin Martin Azriyenni Azhari Zakri Burhan, Hidayatul Catra Cupu, Dedi Rosa Putra Darman, Darman Dedy Masnur, Dedy Drastinawati Drastinawati Effendi, Herry Fajar Dwi Junianto Febri Feridianto Febrizal Ujang Firdaus Firdaus Gun Faisal Hamzah Eteruddin Hariadi Hariadi Hayatul Ismi Herisiswanto Herisiswanto Isna Rahma Dini Karjuni Karjuni M. Ferdiman Setepu Madi Harto Silalahi Meifal Rusli Mutamima, Anisa N. Nazaruddin N. Nazaruddin Nazaruddin Nazaruddin Nazaruddin Nurfatihayati Nurwijayanti Ongky Alexander Padil Perdana, Ade Wahyu Pratama, Zikri Putri Nawangsari, Putri Rahmatsyah Maksum Ramsi Ramli Ali Safrudin Ramli Ali Safrudin Raynold Harlem Hutasoit Riedho Tilma Satria Romy Romy Rosma, Iswadi Hasyim Rozanna Sri Irianty Sapdo Utomo Saputra, Ariadi Saputra, Ariadi Somadona, Sonia Sugiman Sugiman Suhardi Panjaitan Syafri Syafri Syafri Syafri Syafri, Syafri Syuhada, Ryan Tengku Hamzir Muhardillah Yahya Ulfia Hasanah Utama, Panca Setia Utomo, Sapdo Warman Fatra, Warman Willy Hartino Siregar Yahya, Tengku Hamzir Muhardillah Yeni Kusumawaty Yogi K Limbong