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All Journal Journal of Applied Science, Technology & Humanities
Siti Farah Fakhirah
IPB University
Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Social Sciences

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Developing an Arduino Uno-Based Water Clarity Assessment Instrument at LIPI-Biotechnology Euis Suryati; Rahmat Ramadhan; Siti Farah Fakhirah; Asa Yuaziva; Jonser Steven Rajali Manik; Icha Maulidya
Journal of Applied Science, Technology & Humanities | JASTH Vol. 3 No. 1 (2026): January 2026
Publisher : Batrisya Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62535/sw45r435

Abstract

Visual monitoring of water clarity in closed laboratory reservoirs poses significant challenges and inefficiencies that may compromise equipment sterilization standards. This study aims to develop an automated water clarity monitoring system at the Research Center for Biotechnology-LIPI utilizing an Arduino Uno microcontroller paired with a BH1750 digital light sensor. The device operates on the principle of light transmission, where suspended particles in turbid water obstruct the light intensity detected by the sensor. Data is processed and transmitted via an Ethernet Shield to a web-based interface for both real-time monitoring and database logging. The research results demonstrate that the device successfully classifies water clarity levels based on light intensity readings, defining clear water as >200 Lux, moderate water as 150-200 Lux, and turbid water as <150 Lux. By providing real-time status updates and automated historical data logs, the system eliminates the need for manual physical inspection. This instrument presents a functional and cost-effective solution to ensure adherence to laboratory water quality standards.
Design and Construction of a Water Monitoring System at PDAM Tirta Pakuan Bogor Based on Ethernet Shield and LCD Jonser Steven; D. Dwi P.; Jajang J; Siti Farah Fakhirah; Icha Maulidya; Asa Yuaziva
Journal of Applied Science, Technology & Humanities | JASTH Vol. 3 No. 1 (2026): January 2026
Publisher : Batrisya Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62535/mxksfq13

Abstract

Conventional water monitoring at PDAM Tirta Pakuan Bogor is inefficient and prone to manual errors. This study aims to design a real-time monitoring system to improve operational effectiveness and data validity. Following a four-stage methodology analysis, design, implementation, and testing the device was constructed using an Arduino Uno R3, an Ethernet Shield for stable network connectivity, an ultrasonic sensor, and a 16x2 LCD. The integration of intelligent logic in such systems is crucial for identifying optimal boundary parameters to support decision making. Results demonstrate that the device successfully provides continuous, real-time measurement data via both a web interface and a physical display, aligning with desired specifications. This digital technology support facilitates optimal monitoring through easy access to information. While minor measurement errors occur due to environmental factors, the tool significantly increases the flexibility of information access. In conclusion, the Ethernet Shield and LCD-based system enables reliable monitoring without manual intervention, though it currently requires manual web refreshing to update data.
Digitalization of Forestry Museum Visiting Services Through the Implementation of a Reservation and Scheduling Platform Jonser Steven Rajali Manik; Asa Yuaziva; Icha Maulidya; Siti Farah Fakhirah; Ridwan Siskandar
Journal of Applied Science, Technology & Humanities | JASTH Vol. 3 No. 3 (2026): June 2026
Publisher : Batrisya Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62535/h1seca22

Abstract

This research is motivated by the Forestry Museum’s manual reservation process, resulting in irregular schedules and difficulties in managing visitor data. This research aims to build a digital reservation and scheduling platform from scratch using the Prototyping method supported by the Laravel, AJAX, and MySQL frameworks. Functional testing used the Black-Box Testing method, while user experience testing used the System Usability Scale (SUS). The Black Box Testing results showed a 100% success rate. The usability evaluation resulted in an average SUS score of 84.5 placing the system in the Acceptable category. Performance testing resulted in an average visitor form submission time of 0.34 seconds and admin decision execution time of 6.95 seconds, proving the system is capable of processing every data transaction instantly from a technical perspective, thus supporting the smooth flow of overall reservation confirmation. The systems meets the museum’s needs and is easy to use.
Co-Authors Asa Yuaziva D. Dwi P. Euis Suryati Icha Maulidya Jajang J Jonser Steven Jonser Steven Rajali Manik Rahmat Ramadhan Ridwan Siskandar