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All Journal ILKOM Jurnal Ilmiah OIKOS: Jurnal Kajian Pendidikan Ekonomi dan Ilmu Ekonomi Indonesian Journal of Electrical Engineering and Computer Science
Sariningrum, Ros
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Computer Science & IT Economics, Econometrics & Finance Education Social Sciences

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Telegram bot-based Flood Early Warning System with WSN Integration Wahid, Abdul; Parenreng, Jumadi Mabe; Kusnandar, Welly Chandra Kusumah; Adi, Puput Dani Prasetyo; Mahabror, Dendy; Sariningrum, Ros
ILKOM Jurnal Ilmiah Vol 16, No 2 (2024)
Publisher : Prodi Teknik Informatika FIK Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33096/ilkom.v16i2.1699.151-160

Abstract

Indonesia experiences frequent flooding, with data from the National Disaster Management Agency (BNPB) revealing that floods account for 41% of all natural disasters (1,441 incidents) recorded in 2021. These floods cause significant property damage and casualties. To address this challenge, we have developed a prototype flood early warning system. This system utilizes ultrasonic sensors for real-time water level detection. Sensor data is transmitted to designated personnel through a website interface. Additionally, the system leverages a Telegram bot to deliver flood early warnings directly to the community residing in flood-prone areas. The sensor data comparison test yielded an error rate of only 0.6175% with an average difference of 1 cm, demonstrating the system's accuracy and functionality. Furthermore, a notification test conducted ten times achieved 100% accuracy. The Telegram bot successfully sent text message alerts (alert 1, alert 2, alert 3) with an average delivery time of 4.07 seconds. This prototype offers a promising solution for flood mitigation. By providing real-time water level data and issuing timely alerts via a user-friendly Telegram bot, the system empowers communities to prepare for potential flooding and minimize associated risks.
Efisiensi Penggunaan Panel Surya sebagai Sumber Energi Terbarukan pada Proses Produksi Tanaman Hidroponik Sariningrum, Ros; Antonius Alijoyo, Fransiskus; Kristi, Ant. Ardath
OIKOS: Jurnal Kajian Pendidikan Ekonomi dan Ilmu Ekonomi Vol 10 No 1 (2025): OIKOS: Jurnal Kajian Pendidikan Ekonomi dan Ilmu Ekonomi
Publisher : Universitas Pasundan

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Abstract

Tulisan ini membahas perbandingan biaya listrik PLN yang dihasilkan sebelum dan sesudah menggunakan panel surya sebagai alternatif energi terbarukan dalam proses produksi tanaman hidroponik indoor yang membutuhkan lampu tumbuh (Ultraviolet) untuk fotosintesis tanaman juga adanya perangkat otomatisasi sehingga menambah kebutuhan daya listrik menjadi lebih besar. Proses otomatisasi tersebut terdiri dari pemberian air, oksigen, dan nutrisi untuk tanaman.
Quality of services LoRaWAN satellite communication Purnama, Iwan; Dwi Putra, Muhammad Taufik; Samsinar, Samsinar; Aulia, Masyitah; Shina, Ibnu; Yuliyus Maulana, Yudi; Benny Louhenapessy, Bendjamin; Dominggus Lekalette, Johanis; Parulian Sitompul, Peberlin; Manik, Timbul; Nendra Wibawa, Lasinta Ari; Prasetyo Adi, Puput Dani; Sinaini, La; Lestari, Pratiwi; Sulaeman, Yaya; Rohman Setiawan, Iwan; Nugraha, Budi; Yati, Emi; Sadiyah, Lilis; Jatmiko, Irwan; Sacipto, Rian; Sariningrum, Ros
Indonesian Journal of Electrical Engineering and Computer Science Vol 40, No 3: December 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v40.i3.pp1401-1416

Abstract

This research discusses research that focuses on the capabilities of satellitebased LoRa, for satellite positions orbiting in low earth orbit (LEO). The expectation of low power wide area network (LPWAN) satellite can find the quality of transmitting data using LoRaWAN which is part of LPWAN and can provide quality of service (QoS) with high-quality real-time sensor data, low latency, long-range, low-power, no attenuation signal, no problem with obstacles in terrestrial areas, and other benefits that can be widely optimized. This article uses a comprehensive analysis of mathematical calculations as well as precise and accurate simulations for the actual development of satellite-based LPWAN. The satellite-based IoT is unlimited in terms of distance, to provide good services to all IoT users in the world. The comparison with terrestrial measurements is analyzed in detail, especially the signal attenuation factor that causes a lot of signal loss and data is not well received. Several methods are used to help reduce collision data, such as adaptive data rate (ADR) which can reduce collisions by 30%.
Co-Authors Abdul Wahid Adi, Puput Dani Prasetyo Antonius Alijoyo, Fransiskus Aulia, Masyitah Benny Louhenapessy, Bendjamin Budi Nugraha, Budi Dominggus Lekalette, Johanis Irwan Irwan Iwan Purnama Jumadi Mabe Parenreng Kristi, Ant. Ardath Kusnandar, Welly Chandra Kusumah Lasinta Ari Nendra Wibawa Lestari, Pratiwi Mahabror, Dendy Manik, Timbul Parulian Sitompul, Peberlin Prasetyo Adi, Puput Dani Putra, Muhammad Taufik Dwi Rohman Setiawan, Iwan Sacipto, Rian Sadiyah, Lilis Samsinar Samsinar Shina, Ibnu Sinaini, La Sulaeman, Yaya Yati, Emi Yudi Yuliyus Maulana, Yudi