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All Journal RABIT: Jurnal Teknologi dan Sistem Informasi Univrab Sisfo: Jurnal Ilmiah Sistem Informasi Journal of Technology Informatics and Engineering Sevaka: Hasil Kegiatan Layanan Masyarakat
Andi Prayogi
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Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Health Professions Library & Information Science Mechanical Engineering

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Mobile Robot Detects Pests And Diseases In Palm Oil Nurseries Raden Aris Sugianto; Andi Prayogi; Hasanal Fachri Satia Simbolon
Journal of Technology Informatics and Engineering Vol. 3 No. 1 (2024): April : Journal of Technology Informatics and Engineering
Publisher : University of Science and Computer Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/jtie.v3i1.159

Abstract

The palm oil industry is an important economic pillar in various countries, making a significant contribution to global vegetable oil production. Despite its vital role, oil palm growth is often faced with serious challenges such as pest and disease attacks that can threaten crop yields and plant health. Oil palm seeding, as the initial stage in the plant growth cycle, is key in ensuring optimal quality and productivity in the future. The successful application of mobile robot technology in detecting pests and diseases in oil palm nurseries will not only increase production efficiency, but also support the principles of sustainability and wise resource management.
Penyuluhan Internet Sehat Dan Aman Untuk Masyarakat Kelurahan Sentang, Kecamatan Kisaran Timur, Kabupaten Asahan Khairul Saleh; Muhammad Akbar Syahbana Pane; Novialdi Ashari; Andi Prayogi
Sevaka : Hasil Kegiatan Layanan Masyarakat Vol. 3 No. 4 (2025): November : Sevaka : Hasil Kegiatan Layanan Masyarakat
Publisher : STIKES Columbia Asia Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62027/sevaka.v3i4.588

Abstract

This community service program aims to improve digital literacy among residents of Sentang Urban Village, Kisaran Timur Subdistrict, Asahan Regency. The main issues addressed include low public awareness of safe and healthy internet usage and the risks of data misuse, hoaxes, and cyberbullying. A participatory counseling method was employed, involving residents directly in discussions, simulations, and digital security practices. The results show a significant increase in participants’ understanding of digital ethics, cybersecurity, and wise internet usage. Additionally, the activity led to the formation of a new social institution called the Internet Safety Awareness Group (KWSIS), which serves as a community-based educational forum. These findings indicate that participatory approaches are effective in fostering digital literacy-based social change.
Design and Development of a Geotagging and QR Code-Based Oil Palm Fertilization Tracking System Using Android Mobile Integration and LoRa SX1278 Mohammad Farodis Azhari; Ratu Mutiara Siregar; Andi Prayogi
Sisfo: Jurnal Ilmiah Sistem Informasi Vol. 10 No. 2 (2026): Sisfo: Jurnal Ilmiah Sistem Informasi, Oktober 2026 (In Press)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/sisfo.v10i2.27547

Abstract

This research proposes the development of an Internet of Things (IoT) monitoring system for tracking and verifying palm oil fertilization based on Geotagging and QR Code to overcome challenges in manual fertilization supervision, such as location accuracy, dose precision, and transmission vulnerabilities in remote areas. The system ensures compliance with field standard operating procedures (SOP) through a dual-validation mechanism: spatial coordinate recording via geotagging for location audit trails, and QR Code scanning for fertilizer identity verification. The hardware system architecture integrates a ESP32 microcontroller, a NEO-6M GPS module, and a LoRa Ra-02 SX1278 (433 MHz) transceiver mounted directly on the wheelbarrow. Field workers utilize a Flutter-based mobile Android application to scan the fertilizer labels, which wirelessly forwards data via a Bluetooth Low Energy (BLE 4.2) link to the ESP32. Field integration trials conducted at the ITSI Campus estate demonstrated that the wheelbarrow unit successfully captures high-precision coordinates by locking onto 7 active satellites under dense palm oil canopies with a 3-second refresh rate. Out of 20 live fertilization check-ins executed during the field-testing sessions, the system successfully logged 14 valid transactions and flagged 6 operational deviations, achieving a definitive 70.0% geotagging compliance rate. Furthermore, the offline-first local cache layer guaranteed zero data loss inside cellular blank spots by securely holding transaction logs before automatically synchronizing them to the Firebase Realtime Database. This architecture effectively mitigates the telecommunication infrastructure barrier in remote plantation sectors while generating verifiable, tamper-proof digital audit trails.
SISTEM MONITORING SUHU DAN KELEMBAPAN BERBASIS IoT TERINTEGRASI APLIKASI MOBILE DI RUANG SERVER PTPN IV: IoT-BASED TEMPERATURE AND HUMIDITY MONITORING SYSTEM INTEGRATED WITH A MOBILE APPLICATION IN THE PTPN IV SERVER ROOM Ahmad Billy Sutanto; Raden Aris Sugianto; Ritna Wahyuni; Andi Prayogi
Rabit : Jurnal Teknologi dan Sistem Informasi Univrab Vol 11 No 2 (2026): Juli
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/rabit.v11i2.7912

Abstract

A server room requires stable environmental conditions to maintain the performance of electronic devices, as excessive temperature and uncontrolled humidity can cause hardware damage. Manual monitoring implemented in the server room of PTPN IV Regional I still has limitations, such as delayed detection and the absence of digital data recording. This study aims to design and implement an Internet of Things (IoT)-based temperature and humidity monitoring system using a DHT22 sensor and ESP32 microcontroller. Data are transmitted in real-time to Firebase Realtime Database and displayed through a Flutter-based mobile application called ServGuard. The system is also equipped with remote Air Conditioner (AC) control features using an IR Transmitter. This research applied a quantitative approach through observation, direct measurement, and system testing. The results showed an average temperature reading difference of 0.23°C and humidity difference of 1.08% RH compared to standard measuring instruments. The alarm system was automatically activated when the temperature exceeded the predefined threshold, and all AC control commands were successfully executed. The ServGuard application and Firebase operated stably in real-time data synchronization. The developed system proved to be more effective than manual monitoring methods and has the potential for further development through artificial intelligence integration.  
Co-Authors Ahmad Billy Sutanto Hasanal Fachri Satia Simbolon Khairul Saleh Mohammad Farodis Azhari Muhammad Akbar Syahbana Pane Novialdi Ashari Raden Aris Sugianto Ratu Mutiara Siregar Ritna Wahyuni