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All Journal JURNAL NASIONAL TEKNIK ELEKTRO Journal of Applied Electrical Engineering Djtechno: Jurnal Teknologi Informasi Jurnal Andalas: Rekayasa dan Penerapan Teknologi JURNAL ILMIAH SAINS TEKNOLOGI DAN INFORMASI
Elsi Alfionita Syawal
Universitas Jambi
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Industrial & Manufacturing Engineering Other

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Journal : journal of applied electrical engineering

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Design and Performance Evaluation of an IoT-Enabled Feed Level Alert System for Smart Fish Feeders Micko Tomas; Baharuddin Baharuddin; Illa Aryeni; Elsi Alfionita Syawal; Muhammad Kodrat
Journal of Applied Electrical Engineering Vol. 10 No. 1 (2026): JAEE, June 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaee.v10i1.11692

Abstract

The Feed Level Alert system on the Smart Fish Feeder was designed to monitor fish feed availability in real-time using an Internet of Things approach. Unlike previous research that focused solely on passive monitoring, this system presents a practical implementation equipped with automatic notifications when the fish feed level status reaches a set threshold. The HC-SR04 ultrasonic sensor is used to measure the distance between the tank lid and the feed surface, while the DHT-11 sensor monitors temperature and humidity to maintain feed quality. The ESP32 microcontroller is responsible for processing data and sending alert notifications via Telegram Bot with an average response time of 1,8 seconds. Test calibration results show a detection accuracy of 96,4% and a system reliability of 99,3%. The portable prototype design allows installation without significant mechanical modifications. With its integrative capabilities, this system shows high potential as an efficient, adaptive, and sustainable innovative aquaculture.
Potential Utilization of Palm Shells and Fibers as an Electricity Source in Bungo Regency Elsi Alfionita Syawal; Ferdi Ashari Syawal; Illa Aryeni
Journal of Applied Electrical Engineering Vol. 10 No. 1 (2026): JAEE, June 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaee.v10i1.11775

Abstract

Indonesia faces an electricity crisis due to increasing demand and heavy reliance on fossil fuels. This study examines the potential of palm oil biomass waste—shells and fibers—as fuel for a steam power plant in Bungo Regency. The methodology applies the Direct Method (Equation 1) to estimate electricity potential based on a validated boiler efficiency of 73% and actual calorific values. The results reveal that palm shells have a potential of 21,024 GWh/year, while fibers can generate 49,056 GWh/year. A key novelty of this research is the determination of specific fuel requirements: 2,3 kg/kw of shells and 2,6 kg/kw of fibers are needed to produce 1 kW of electricity. These findings provide precise empirical data for regional energy planning and demonstrate that integrating palm biomass into local grids offers a sustainable alternative to fossil fuels.
Co-Authors Abdul Manab Baharuddin Baharuddin Baharuddin Elsa Lolita Anggraini Ferdi Ashari Syawal Hanalde Andre Illa Aryeni M. Yonggi Puriza Micko Tomas Muhammad Khalis Fikri Muhammad Kodrat Niko Akbar Nurul Abdillah Oki Dahwanu Refdinal Nazir Refki Budiman Riko Nofendra Togi Simarmata Wirasapta , Andicho Haryus Yandi Anzari