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Journal : journal of digital technology and computer science

Web-Based ERP Dashboard Integrated with Aerial Imagery for Oil Palm Harvest Monitoring and Plantation Decision Support M. Ilham Saputra; Raden Aris Sugianto; Andi Prayogi; Febriani Putri Wulandari
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i2.824

Abstract

Purpose – Oil palm plantation operations often rely on fragmented reporting systems that hinder information synchronization, operational visibility, and monitoring effectiveness. This study aims to develop a web-based Enterprise Resource Planning (ERP) dashboard integrated with Geographic Information System (GIS) mapping and aerial imagery visualization to support harvest scheduling and operational monitoring. Methods – This study employed a Research and Development (R&D) approach using the System Development Life Cycle (SDLC), including requirement analysis, design, implementation, testing, and evaluation. The system was developed using Laravel, MySQL, Bootstrap, and Leaflet GIS. Usability evaluation was conducted based on the ISO 9241-11 framework involving 11 participants consisting of plantation managers, field assistants, supervisors, and administrative staff at PT. Gerbang Benuaraya. Findings – The developed system successfully integrated operational reporting, plantation block mapping, aerial imagery visualization, and harvest monitoring within a centralized dashboard. Usability evaluation produced effectiveness, efficiency, satisfaction, learnability, and memorability scores of 72.12%, 69.70%, 72.12%, 65.45%, and 70.91%, respectively, resulting in an overall usability score of 70.06%, which indicates good usability based on the percentage-based evaluation criteria applied in this study. Research implications – The findings suggest that the system can support operational monitoring and information integration in plantation environments. However, the evaluation was conducted in a single plantation company with 11 participants, limiting broader generalization. Originality – This study contributes an integrated platform that combines ERP operational modules, GIS-based plantation mapping, aerial imagery visualization, and harvest monitoring within a single dashboard specifically designed for oil palm plantation management.
Cloud-Based Mobile Monitoring of Mechanic Work Performance and Reporting in Oil Palm Plantation Workshops Mutiara Cahyani; Ritna Wahyuni; Raden Aris Sugianto
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i2.935

Abstract

Purpose – Work reporting and mechanic activity monitoring in oil palm plantation workshops are still largely performed manually, resulting in delays in information delivery, recording errors, and difficulties in tracking work histories. This study aimed to develop a mobile application to support mechanical performance monitoring in a more structured and documented manner. Methods – This study employed the Extreme Programming (XP) methodology, which consists of the Planning, Design, Coding, and Testing phases. Data were collected through observations, interviews with the Workshop Assistant, and a literature review. The application was developed using C#, .NET MAUI, and a cloud database for centralized data management. Findings – The developed application integrates daily work reporting, activity documentation, work history management, user management, and report downloading into a single platform accessible to administrators and mechanics. Black Box Testing showed that all tested functions operated according to predefined requirements. Research Implications – The findings demonstrate the potential of mobile and cloud-based information systems to support the digitalization of reporting processes and operational information management in oil palm plantation workshops. However, the evaluation was limited to functional testing within a single workshop environment and did not include usability, user acceptance, or long-term operational impact assessments. Originality – This study presents a mobile application specifically designed for oil palm plantation workshops by integrating mechanic performance monitoring, work reporting, activity documentation, work history management, and cloud-based data management within a single platform.
PALMARA: A Location-Aware Digital Intermediation Platform for Transparent Smallholder Palm Oil Distribution Bayu Danuarta; Andi Prayogi; Raden Aris Sugianto
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i2.961

Abstract

Purpose – Crude Palm Oil (CPO) distribution using tanker trucks faces challenges including delayed reporting, limited visibility, and potential cargo losses due to leakage or human error. This study develops an IoT-based dashboard for real-time monitoring and threshold-triggered leakage alerting during CPO distribution. Methods – A prototype was developed and tested in a controlled laboratory-scale environment. The system integrated an ESP32 microcontroller with a YF-S201 flow sensor, HC-SR04 ultrasonic level sensor, and NEO-6M GPS module. Sensor data were transmitted via MQTT, visualized on a web dashboard, and stored in a Supabase cloud database for historical tracking and operational review. Findings – Testing showed average error rates of 2.48% for the flow sensor and 2.67% for the ultrasonic level sensor. The GPS module captured location data across all test points. The system supported four simulated distribution phases: Loading, Transportation, Unloading, and Completed. During Transportation, a leakage alert was generated when outward flow was detected, confirming that the rule-based alert mechanism operated according to predefined logic. Research Implications – The system offers a prototype framework for improving transparency, traceability, and operational monitoring in CPO logistics. However, field validation using industrial-grade sensors and full-scale tanker truck deployment is required. Originality – This study integrates flow monitoring, tank level measurement, GPS tracking, cloud storage, and rule-based leakage alerting in a single IoT dashboard for CPO tank truck distribution.
Crude Palm Oil Moisture Reduction: Design and Implementation of an Arduino UNO-Based Automated Heating Control System Syem Vicra Lumban Gaol; Andi Prayogi; Raden Aris Sugianto
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i2.987

Abstract

Purpose – Crude Palm Oil (CPO) quality is strongly influenced by moisture content because excessive water can accelerate hydrolysis, increase free fatty acid formation, promote oxidation, and reduce storage stability. This study aimed to develop and functionally evaluate a low-cost Arduino-based automated heating control prototype to support laboratory-scale CPO moisture-reduction experiments. Methods – This study employed a Research and Development method with a quantitative experimental orientation. The prototype integrated Arduino UNO as the main controller, DHT22 for ambient humidity monitoring, MAX6675 with a Type-K thermocouple for direct CPO temperature measurement, I2C 16×2 LCD for data display, a two-channel 5V relay for heater switching, a 350 W water heater, and LED-buzzer indicators. Functional testing was conducted through observation of sensor readability, LCD display, relay switching, heater response, and integrated system operation. Findings – The results showed that all main components operated according to their intended functions. The system could read humidity and CPO temperature, display real-time data, activate and deactivate the heater through relay control, and provide visual and audible indicators. Research Implications – The prototype provides a functional baseline for automated CPO heating control. However, it does not directly measure actual CPO moisture content because DHT22 only reads ambient humidity. Originality – This study offers a low-cost Arduino-based prototype for supporting CPO heating-control experimentation.
Web-Based Employee Records Governance for Document Traceability and Verification in Plantation Workforce Administration Contexts Natalia Fransiska Ginting; Ritna Wahyuni; Raden Aris Sugianto
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i2.988

Abstract

Purpose – Employee data administration at PT. Barumun Raya Padang Langkat Binanga Estate has traditionally relied on manual procedures, creating difficulties in information retrieval, document management, verification, and administrative processing. This study aims to develop a web-based Employee Data Management Information System supporting structured, centralized, secure, and efficient personnel administration. Methods – The study employed a Research and Development approach using the Waterfall model, consisting of requirements analysis, system design, implementation, testing, and evaluation. Unified Modeling Language was used to model system processes and database interactions. The application was developed using PHP and MySQL, while functionality was evaluated through Black Box Testing. Findings – The resulting system integrates employee biodata, family information, supporting documents, verification workflows, reporting functions, and role-based access control in a centralized platform. Functional evaluation involved 15 testing scenarios covering authentication, employee data management, document handling, verification, reporting, and user access control. All tested functions produced outputs consistent with the specified requirements, indicating that the system operated correctly. The platform is expected to improve data organization, document control, verification accuracy, and administrative accessibility. Research Implications – The system is limited to employee data and document management and does not include payroll, attendance, recruitment, or performance appraisal modules. Evaluation was also restricted to functional testing. Future studies should therefore assess usability, performance efficiency, reliability, security, and user satisfaction through empirical testing. Originality – This study contributes an integrated personnel administration platform designed for plantation company operations, combining biodata, family records, supporting documents, verification mechanisms, reporting, and role-based access within a single web-based environment.
SIM PSR: A Web-Based Monitoring Platform for Cooperative-Level Smallholder Palm Oil Replanting Program Management Syarifatu Assolehah; Ritna Wahyuni; Raden Aris Sugianto
Journal of Digital Technology and Computer Science Vol. 3 No. 2 (2026): April 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i2.1006

Abstract

Purpose – The Smallholder Palm Oil Replanting Program (PSR) seeks to improve the productivity of smallholder plantations by replacing aging oil palm trees with certified superior seedlings. However, monitoring at the cooperative level is often hindered by manual record-keeping and fragmented reporting, reducing the efficiency of supervising program implementation. This study aims to develop and evaluate a web-based monitoring information system for the PSR program at Koperasi Tani Makmur Berjaya, Air Hitam Village, North Labuhanbatu Regency. Methods – The system was developed using the Waterfall methodology with UML-based system modeling and implemented using PHP and MySQL. It supports three user roles administrator, field officer, and participant with permissions tailored to operational responsibilities. Functional performance was evaluated through developer-conducted Black Box Testing across 25 functional test scenarios involving administrator, field officer, and participant roles. Findings – Functional testing demonstrated that the proposed system supports the management of participant information, land data, documents, stage-based monitoring records, and PDF report generation under controlled testing conditions. It supports monitoring for 116 participants across approximately 480 hectares in five villages. Testing confirmed that all functions operated as intended without identified functional failures. Research Implications – The proposed system provides a centralized digital platform for cooperative-level PSR monitoring. However, the findings are limited to a single cooperative implementation and developer-conducted functional testing, without independent usability evaluation, independent or advanced security assessment, or long-term operational validation beyond the basic internal security checks conducted in this study. Originality – This research presents a web-based monitoring system specifically designed for cooperative-level PSR management in Indonesia, integrating role-based access control, stage-oriented progress monitoring, and automated report generation within a unified platform.
Development of an Android-Based QR Code Information System for Offline-First Palm Oil Harvest Recording in Plantations Bintang Permata Hati Simanjuntak; Raden Aris Sugianto; Andi Prayogi
Journal of Digital Technology and Computer Science Vol. 3 No. 3 (2026): August 2026
Publisher : Academic Bright Collaboration

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66053/dtcs.v3i3.791

Abstract

Purpose – Manual palm oil harvest recording at remote plantations often causes transcription errors, duplicate records, delayed reporting, and difficulties in implementing fully online data collection because of unstable Internet connectivity. This study aimed to design and develop an Android-based palm oil harvest recording information system using Quick Response (QR) Code identification and an offline-first data architecture. Methods – This study employed a Research and Development approach using the Rapid Application Development model. Data were collected through field observations, interviews with five foremen and one administrative staff member, documentation reviews, and functional system testing. The application was developed using Android Studio and Flutter, with SQLite for local offline storage and Firebase Cloud Firestore for online data synchronization. Findings – The developed system enables QR Code-based worker identification, harvest data input, offline data storage, automatic synchronization, digital signature validation, activity-log monitoring, and report export. Black-box testing of seven functional scenarios showed that all tested features operated correctly in both offline and online conditions. Research implications – The findings indicate that an offline-first mobile architecture can support harvest recording in plantation areas with limited connectivity and low-cost devices. However, the system was tested in one plantation environment; therefore, broader implementation requires further multisite evaluation. Originality – This study contributes by integrating QR Code identification, SQLite-based offline persistence, Firebase synchronization, and Android-based field reporting into a single harvest recording system for remote palm oil plantation operations.