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All Journal International Journal of Electrical and Computer Engineering Community Development Journal: Jurnal Pengabdian Masyarakat Proceedings Series on Physical & Formal Sciences
Nina Siti Aminah
Institut Teknologi Bandung
Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Mechanical Engineering Public Health

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Low-cost wireless mesh communications based on openWRT and voice over internet protocol Nina Siti Aminah; Muhamamad Reza Ramadhani Raharjo; Maman Budiman
International Journal of Electrical and Computer Engineering (IJECE) Vol 11, No 6: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v11i6.pp5119-5126

Abstract

Technology makes it easier for us to communicate over a distance. However, there are still many remote areas that find it difficult to communicate. This is due to the fact that communication infrastructure in some areas is expensive to build while the profit will be low. This paper proposes to combine voice over internet protocol (VoIP) over mesh network implemented on openWRT router. The routers are performing mesh functions. We set up a VoIP server on a router and enabled session initiation protocol (SIP) clients on other routers. Therefore, we only need routers as a means of communication. The experiment showed very good results, in the line-of-sight (LOS) condition, they are limited to reception distances up to 145 meters while in the non-line-of-sight (NLOS) condition, they are limited to reception distances up to 55 meters.
Sistem Monitoring Konversi Wifi-RSSI Menjadi Jarak Antar Device dan Router Menggunakan Node-Red Pada Pengembangan Sistem Navigasi Dalam Ruang Rifqi Nafis Mubaroq; Nina Siti Aminah
Proceedings Series on Physical & Formal Sciences Vol. 1 (2021): Proceedings of Smart Advancement on Engineering and Applied Science
Publisher : UM Purwokerto Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (992.367 KB) | DOI: 10.30595/pspfs.v1i.130

Abstract

A global positioning system (GPS) is often used as a tool for determining direction and positioning. However, GPS is weak in estimating the error, which is quite large at the actual distance, so positioning in a narrow area cannot work well. Therefore, a better method is needed to be used as a narrow-navigation system. This study aimed to determine whether RSSI has a better error than GPS for navigation devices in a narrow space or area. The method used was plotting graphs using Ms. Excel and determining the value of R square. The RSSI value was obtained through the Esp8266 device and then sent to the server via the MQTT protocol and converted using Node-Red on the Raspberry Pi. The comparison results of the Esp8266 device RSSI graph match the Laptop RSSI device as a reference. The match between the relative distance to the RSSI with the actual distance shows a 3.3-33% error. This result is considered much better than the GPS error.
PEMBERDAYAAN MASYARAKAT NELAYAN MELALUI EDUKASI SAMPAH Nur Ismirawati; Ashadi Amir; Irninthya Nanda Pratami Irwan; Mitra Djamal; Nina Siti Aminah
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 4 No. 6 (2023): Volume 4 Nomor 6 Tahun 2023
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v4i6.21021

Abstract

Sampah merupakan salah satu permasalahan yang dihadapi oleh masyarakat. Keberadaan sampah yang tidak dikelola dengan baik dapat memberikan dampak negatif bagi lingkungan. Permasalahan sampah yang dihadapi oleh masyarakat nelayan adalah pencemaran air laut akibat sampah. Sampah plastik dapat menghasilkan mikroplastik yang dapat mengganggu ekosistem yang ada di laut yang akan secara otomatis berdampak bagi kesehatan jika mengkonsumsi ikan dan hewan laut lainnya. Pemahaman masyarakat terkait dengan pengelolaan sampah juga masih sangat minim. Sehingga melalui kegiatan pengabdian kepada masyarakat ini dilakukan edukasi kepada masyarakat nelayan terkait dengan sampah. Kegiatan ini dilaksanakan di Kelurahan Watang Suppa, Kecamatan Suppa, Kabupaten Pinrang terbagi atas dua tahapan utama yaitu observasi permasalahan masyarakat nelayan terkait dengan sampah dan pemberian materi edukasi terkait dengan sampah. Materi yang diberikan berupa pembahasan tentang jenis-jenis sampah, dampak lingkungan yang ditimbulkan akibat sampah dan dampak ekonomi yang didapatkan dari pengelolaan sampah. Masyarakat juga mendapatkan informasi tentang pengelolaan sampah dengan metode 3R Reduce, Reuse, Recycle. Peningkatan kesadaran masyarakat terkait sampah membutuhkan sinergitas antara pemerintah dan perguruan tinggi dalam melakukan edukasi dan pendampingan.
Co-Authors Ashadi Amir Irninthya Nanda Pratami Irwan Maman Budiman Mitra Djamal Muhamamad Reza Ramadhani Raharjo Nur Ismirawati, Nur Rifqi Nafis Mubaroq