Department of Physics: Recent submissions
Now showing items 1-20 of 2671
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Perancangan dan Aplikasi Sistem Aerator Otomatis Tenaga Surya Berbasis Internet of Things pada Budidaya Ikan Air Tawar
(Universitas Sumatera Utara, 2025)This study presented the development of an automatic aerator system based on the Internet of Things (IoT) and powered by solar energy, which was designed to improve water quality in freshwater aquaculture. The system ... -
Analisis Pengaruh Suhu terhadap Kinerja Sensor Optik pada Alat Pendeteksi Mikroplastik Berbasis IoT: Studi pada Sungai Deli Medan
(Universitas Sumatera Utara, 2025)Water temperature plays a crucial role in influencing the physical properties of microplastics in aquatic ecosystems. This research investigates how temperature fluctuations affect the response of optical sensors in an ... -
Perancangan dan Pembuatan Alat Pendeteksi Mikroplastik Berbasis IoT Menggunakan Sensor Optik Photodioda BPW34
(Universitas Sumatera Utara, 2025)Microplastics are plastic particles smaller than 5 mm that have become one of the main pollutants in water bodies. The Deli River in Medan City is one of the areas affected due to high domestic waste and poor waste management. ... -
Rancang Bangun Peralatan Sistem Informasi Cuaca Terintegrasi Website Berbasis Internet of Things Menggunakan Esp32 di Daerah Objek Wisata Pantai Bali Lestari
(Universitas Sumatera Utara, 2025)This study designs an IoT-based weather information system at Pantai Bali Lestari using ESP32 and various sensors to read temperature, humidity, air pressure, light intensity, and rain. Data is sent to the server via XAMPP ... -
Pengaruh Suhu Karbonisasi terhadap Karakteristik Adsorben Karbon Aktif Kulit Pisang Kepok untuk Reduksi Salinitas Air Laut
(Universitas Sumatera Utara, 2025)Research on adsorbent based on activated carbon from banana peel to reduce seawater salinity has been conducted. Banana peel was carbonized at 350°C, 400°C, and 450°C for 90 minutes. Banana peel carbon was sieved with a ... -
Sistem Monitoring dan Pengontrolan Baterai Jarak Jauh (Iot) untuk Mencegah Overdrain Berbasis Atmega 328
(Universitas Sumatera Utara, 2025)Overdrain in batteries is a common issue that can lead to permanent damage, especially when the battery voltage drops below the safe threshold. This condition can result in a decrease in energy storage capacity and ... -
Sistem Monitoring dan Pengontrolan Baterai Jarak Jauh (IoT) untuk Mencegah Overdrain Berbasis Atmega 328
(Universitas Sumatera Utara, 2025)Overdrain in batteries is a common issue that can lead to permanent damage, especially when the battery voltage drops below the safe threshold. This condition can result in a decrease in energy storage capacity and ... -
Rancang Bangun Timbangan Digital Berbasis Nodemcu Esp8266 Dengan Fitur Kirim Data Berat Melalui Smartphone
(Universitas Sumatera Utara, 2025)Along with the advancement of globalization, there is a demand for digital scales that can be integrated into smart devices. The purpose of this research is to develop digital scales with higher accuracy and a lower error ... -
Pemanfaatan Energy Panas Buangan Dari Tungku Pembakaran Sampah rumah Tangga Menggunakan Modul Thermoelektrik Generator
(Universitas Sumatera Utara, 2025)Utilization of waste heat energy from burning household waste is one of the innovative solutions to support energy efficiency and waste management. This study aims to evaluate the potential for converting waste heat energy ... -
Sintesis dan Karakterisasi Adsorben Karbon Aktif Hydrilla Verticillata/Kitosan/Tio2 untuk Menyerap Cu, Pb, Zn, Cr dan Fe dalam Limbah Cair dengan Metode Fotokatalis
(Universitas Sumatera Utara, 2025)Environmental pollution by heavy metals is a serious problem that requires effective solutions. One promising method is the adsorption method using biomass-based activated carbon. Hydrilla verticillata-activated carbon was ... -
Karakterisasi Edible Coating Berbahan Pektin/Kitosan/Ekstrak Daun Kenikir (Cosmos Caudatus) Untuk Meningkatkan Umur Simpan Pada Buah Tomat
(Universitas Sumatera Utara, 2025)An edible coating based on pectin, chitosan, and the addition of Cosmos caudatus (kenikir) leaf extract was developed in this study. The aim of lhe research was to determine the characteristics of the edible coating and ... -
Efek Over Current Pada Kabel Penghantar Listrik Jenis Tembaga (Cu) Berisolasi Polivinyl Chloride (PVC) terhadap Inisiasi Penyebab Kebakaran
(Universitas Sumatera Utara, 2025)This study aims to analyze the physical and chemical effects of electromigration failure caused by overcurrent in copper (Cu) cables as a potential initiator of electrical fires. Testing was conducted on PVC-insulated ... -
Preparasi dan Karakterisasi Hybrid Bionanokomposit Berbahan Polycaprolacton dengan Pengisi Nano Abu Sekam Padi dan Nano TiO2 Sebagai Material Adsorben Limbah Methyl Red
(Universitas Sumatera Utara, 2025)Wastewater contamination by synthetic dyes such as Methyl Red poses serious environmental and health risks, necessitating effective remediation methods. This study investigates an eco-friendly hybrid bionanocomposite based ... -
Pemanfaatan Karbon Aktif Dari Rumput Gajah (Pennisetum purpereum) Dan Mangan Dioksida Sebagai Elektroda Superkapasitor
(Universitas Sumatera Utara, 2025)The growing need for sustainable and eco-friendly energy storage solutions has led to advancements in high-performance supercapacitors with extended cycle life. This research explores the fabrication of composite electrodes ... -
Sintesis Hidrogel Komposit Selulosa Karboksimetil Kulit Durian Dengan Penambahan Grafena Oksida Dan Tio2 Sebagai Adsorben Metilen Biru
(Universitas Sumatera Utara, 2025)The synthesis of a composite hydrogel based on carboxymethyl cellulose derived from durian rind, combined with PVA-ALG polymer, and supplemented with fillers in the form of graphene oxide and TiO₂ at varying concentrations ... -
Pembuatan dan Karakterisasi Beton Polimer Berbahan Dasar Serbuk Jerami Padi dan Serbuk Kaca dengan Perekat Resin Epoxy
(Universitas Sumatera Utara, 2025)Sand, rice straw powder, glass powder and epoxy resin are the ingredients of polymer concrete, which has been the subject of much research. The sand and rice straw powder are sieved with a 100 mesh sieve. Then the materials ... -
Karakterisasi BaFe12O19 pada Penambahan Y2O3 untuk Penyerap Gelombang Mikro
(Universitas Sumatera Utara, 2025)In this study, the main focus is on the preparation and characterization of BaFe12O19 with the addition of Y2O3. The variation of Y2O3 composition used is 0%, 3% and 5%. This research was conducted to show how effective ... -
Sintesis dan Karakterisasi Unjuk Kerja Sodium Titanat (Na2Ti6O13) dengan Variasi Suhu Kalsinasi untuk Material Aktif Anoda Baterai Ion Sodium
(Universitas Sumatera Utara, 2025)In this study, the synthesis and performance characterization of Sodium Titanate (Na₂Ti₆O₁₃) were carried out to evaluate its potential as an anode material for sodium-ion batteries, with particular emphasis on the effect ... -
Sistem Pengontrolan Pemberian Pakan Dan Kualitas Air Kolam Budidaya Ikan Nila Berbasis Iot
(Universitas Sumatera Utara, 2025)Tilapia fish farming is highly dependent on water quality and timely feeding. This research aims to design and implement an automated Internet of Things (IoT)-based system capable of controlling pond water quality and ... -
Pemanfaatan Sekam Padi dan Pasir Besi Alam Sebagai Material Penyerap Dengan Metode Solid State Reaction
(Universitas Sumatera Utara, 2025)The synthesis and characterization of rice husk and natural iron sand as microwave absorbing materials have been successfully carried out. This research was conducted using the Solid State Reaction Method, where the ...