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Peningkatan Kompetensi Instruktur Balai Latihan Kerja Kabupaten Karawang dalam Bidang Perawatan dan Perbaikan Lemari Pendingin Showcase: Increasing the Competence of Instructors at Karawang Regency Vocational Training Center in the Maintenance and Repair of Showcase Refrigerator Wellid, Ismail; Falahuddin, Muhammad Anda; Arman, Muhammad; Surjanto, Ary; Sumeru, Kasni; Nuriyadi, Muhammad; Setyawan, Andriyanto
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 9 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i9.9856

Abstract

A showcase is a type of refrigerator widely found in small shops and supermarkets, and it maintains the freshness of vegetables, fruits, meat, and drinks. Because showcases are widely used, the potential for working as a technician or entrepreneur in showcase service is promising. This training aims to improve the competence of instructors at BLK Karawang in showcase maintenance and repair. Increased instructor competence impacts the quality of job seekers educated at BLK. The training was carried out in 3 working days, divided into two sessions: theory and practical. The practical material taught participants the proper refrigerant charging, troubleshooting, and repairs on showcases that experienced problems. After the training, the instructors will be evaluated on their ability to deliver the materials to job seekers under the supervision of lecturers from the Department of Refrigeration and Air Conditioning Engineering, Politeknik Negeri Bandung. Based on the evaluation, the instructors have correctly and adequately provided training materials on showcase maintenance and repair to job seekers.
Implementation of the Lora System for Temperature and Humidity Monitoring in POLBAN Classrooms Arman, Muhammad; Falahuddin, Muhammad Anda; Susilawati
Jurnal Otomasi Kontrol dan Instrumentasi Vol 15 No 2 (2023): Jurnal Otomasi Kontrol dan Instrumentasi
Publisher : Pusat Teknologi Instrumentasi dan Otomasi (PTIO) - Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/joki.2023.15.2.4

Abstract

The need for temperature and humidity monitoring in classrooms, is very important for the purpose of comfortable teaching and learning processes, especially after the Covid-19 pandemic conditions. At Politeknik Negeri Bandung (POLBAN), there are more than a hundred classrooms. The rooms are spread over several buildings; therefore, the process of monitoring temperature and humidity will be difficult if it is done using a cable (wireline). In this study, a temperature and humidity monitoring system for classrooms at POLBAN will be made using LoRa wireless architecture. In several classrooms, temperature and humidity sensors will be installed combined with a LoRa sending system. There are conditioned room and unconditioned room. On the monitoring center, a LoRa receiver system is also installed. Data from each classroom, will wirelessly be sent to the monitoring center, for further processing. In the implementation stage, one gateway, 4 endnotes with DHT11 sensor are used. Testing process is carried out by verifying and monitoring performance in 4 classrooms and in open spaces. Results of verifying show a difference of 2℃ and 1% of the RH value with a reference measuring instrument. There is no difference in temperature and RH values at the endnode and gateway.