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All Journal Tekno : Jurnal Teknologi Elektro dan Kejuruan Journal Sensi: Strategic of Education in Information System jurnal syntax admiration Devotion: Journal of Research and Community Service Journal of Social Research Seminar Nasional Produk Terapan Unggulan Vokasi Cerdika: Jurnal Ilmiah Indonesia West Science Law and Human Rights semanTIK
Sintya Paula Junaedy
Politeknik Negeri Manado
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology 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 Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Implementation of Data Logging and Historical Graphs of Furnace Temperature at the Electrical Engineering Department Laboratory, Manado State Polytechnic Mohamad Fathan Masloman; Gilang Ramadhan S. Luawo; Jim Mardin Wanimbo; Sintya Paula Junaedy; Franky Gerald Cliford Manoppo
Journal of Social Research Vol. 5 No. 7 (2026): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v5i7.3244

Abstract

Accurate temperature monitoring is essential in laboratory and industrial operations involving furnaces to ensure process consistency, prevent overheating, and support safety compliance. Traditional monitoring methods, such as analog gauges or standalone digital thermometers, provide only instantaneous readings and fail to store historical data or visualize trends, limiting experimental reproducibility and quality control. This study aims to design, implement, and evaluate a low-cost, real-time data logging and historical graphing system for furnace temperature monitoring at the Electrical Engineering Laboratory of Politeknik Negeri Manado. The system integrates Type K thermocouples, MAX6675 thermocouple-to-digital modules, Arduino Uno microcontrollers, and a Python-based visualization application. The research employed an applied R&D approach, including stages of literature review, requirements analysis, system design, implementation, testing, and evaluation. Controlled experiments were conducted at five temperature set points, and a four-hour continuous logging test was performed to assess accuracy, logging continuity, and graphical performance. Results indicate that the system achieved a mean absolute error of 1.1°C, maintained uninterrupted data logging over 14,400 samples, and rendered real-time graphs with stable CPU usage. The findings confirm that the integrated system meets design specifications, providing a reliable and educationally valuable tool for laboratory use. This study concludes that low-cost, modular data logging solutions can effectively enhance instrumentation education and support precise thermal monitoring, with potential for further improvements in multi-channel and cloud-based monitoring systems.
Utilization of Computer Technology in Improving Student Online Business Productivity Sintya Paula Junaedy; Alamsyah Alamsyah; Ricardo I. Wowiling; Ravenly S. Salindeho; Melince Tenouye
Cerdika: Jurnal Ilmiah Indonesia Vol. 6 No. 3 (2026): Cerdika: Jurnal Ilmiah Indonesia
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/cerdika.v6i3.3401

Abstract

Background: As digital transformation continues to accelerate, computers are no longer used solely for academic purposes but have become essential tools for supporting entrepreneurial activities. Student entrepreneurs, who are generally adaptive to technological developments, utilize computers to manage data, design promotional materials, communicate with customers, and reach broader markets through digital platforms. Objective: This study explores how the use of computer technology contributes to increasing productivity among students who run online businesses. Methods: Using a descriptive approach through literature review and field surveys involving students actively engaged in online business, this research found that computer technology significantly enhances time efficiency, data management accuracy, and marketing effectiveness. Results: Digital applications such as graphic design tools, financial spreadsheets, and e-commerce management platforms were shown to increase workflow speed and sales performance. The findings indicate that computer technology serves as a productivity catalyst that enables student entrepreneurs to manage their businesses more professionally and competitively. Strengthening digital literacy and providing access to proper technological resources are essential to fully optimizing the benefits of computer-based business management. Conclusion: The study concludes that computer technology significantly enhances the productivity of students engaged in online business. Through appropriate hardware and effective digital applications, students can save time, improve promotional quality, strengthen financial management, and expand market reach.
Co-Authors Abas , Ahmad Yani Adelaida Joroh Alamsyah Alamsyah Betsi Rooroh Deby Cnristiyani Sendow Fitria Claudya Lahinta Fitria Claudya Lahinta Franky Gerald Cliford Manoppo Fresi Beatrix Lendo Gilang Ramadhan S. Luawo Heidy Pesik Herry Setiawan Langi I Gede Para Atmaja Jim Mardin Wanimbo Juan Mark Jevlands Carlos Katong, Nasir Lahinta, Fitria Claudya Luntungan, Anastesya S. Marson James Budiman Melince Tenouye Mohamad Fathan Masloman Muhammad Abdillah Rahmat Nasir Katong Nurul Afifah Arifuddin Oldi Malfri Lambonan ottopianus mellolo Pangemanan, Daisy D. G. Ravenly S. Salindeho Ricardo I. Wowiling Rolando Ariesky Gans Sendow, Debby Ch. Sonnie Marsabessy Stanley B. Dodie Stephy Beatrix Walukow Stieven N. Rumokoy Toban Tiku Pairunan Walukow, Stephy Beatrix Yoice Rita Putung Zefanya Mandagi