Department of Physics: Recent submissions
Now showing items 141-160 of 2671
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Rancang Bangun Alat Monitoring Kadar Udara Bersih dan Gas Berbahaya CO, CO2, dan CH4 di dalam Ruangan Berbasis Mikrokontroler AT8535
(Universitas Sumatera Utara, 2023)In everyday life, we cannot escape the influence of harmful gases. These harmful gases such as CO, CO2 and CH4 are colorless gases so we cannot distinguish them from oxygen, the air we need. Odorless CO gas is very dangerous ... -
Pelapisan Tembaga Menggunakan Titanium Dioksida dengan Metode Electrophoretic Deposition untuk Aplikasi Heat Pipe
(Universitas Sumatera Utara, 2023)This study uses the Electrophoretic Deposition method with the synthesis of titanium dioxide to coat copper substrates in suspension with variations in deposition time for 5, 10, 20, and 30 minutes. There were also electrode ... -
Pengukuran Intensitas Cahaya, Curah Hujan, Kelembaban Udara dan Temperatur Secara Jarak Jauh Berbasis Mikrokontroler ATMEGA8535 dan IOT
(Universitas Sumatera Utara, 2023)Meteorological observations are essential for human well-being and needs Observation of weather elements is used as material to predict weather in the funire. The system that will be built on this occasion is a weather ... -
Sintesis dan Uji Performa Elektrokimia Na2Mn3O7 sebagai Bahan Katoda pada Baterai Ion Sodium (SIB) dengan Metode Presipitasi Berbasis Chelating Agent Etilen Glikol
(Universitas Sumatera Utara, 2023)Tests have been carried out on the electrochemical performance of NaxMnyOz as a cathode ion material in sodium ion batteries. This research aims to synthesize NaxMnyOz precursor as a cathode in sodium ion batteries. The ... -
Rancang Bangun Solar Tracker Pengikut Waktu dengan Panel 40WP Berbasis ATMega 328
(Universitas Sumatera Utara, 2023)We have designed a solar tracker system employing a DC motor, RTC (Real-Time Clock), and data logger. This system operates in real-time to record data and uses an ATMega 328 microcontroller as its core. The primary objective ... -
Rancang Bangun Sistem Monitoring Volume dan Debit Aliran Gas Hidrogen Berbasis Internet of Things (IoT)
(Universitas Sumatera Utara, 2023)An Internet of Things (IoT)-based hydrogen gas volume and flow monitoring system has been successfully designed. Hydrogen gas has an important role as one of the renewable energies, so it is necessary to have a security ... -
Alat Pendeteksi Polusi Udara PM2.5 dengan Fitur GPS sebagai Pendeteksi Koordinat melalui Basis Akuisisi Data
(Universitas Sumatera Utara, 2023)Medan city is the fourth largest city in Indonesia with a population in 2022 of 2.494.512 people. Economic growth and the accompanying population growth have led to an increase in the number of vehicles as well as industrial ... -
Pembuatan dan Uji Karakterisasi Papan Komposit Berbasis Serat Kulit Jagung - Serat Eceng Gondok dan Serbuk Gergaji Kayu Menggunakan Resin Epoxy
(Universitas Sumatera Utara, 2023)Composite board has been made with corn husk fiber, water hyacinth fiber and wood sawdust with epoxy resin as an adhesive. The composition of each fiber was varied and physical tests (density, porosity, water absorption ... -
Analisa Pengaruh Variasi Lapisan Papan Komposit Sandwich dari Limbah Sabut Kelapa Muda dan Cangkang Kerang Darah terhadap Sifat Fisik, Mekanik, dan Akustik
(Universitas Sumatera Utara, 2023)This research was conducted to determine the effect of variations in the layers of sandwich composite boards from coconut coir fibre waste and blood clam shells on physical, mechanical, and acoustic properties as one of ... -
Analisa Pengaruh Panjang Gelombang dan Waktu Iradiasi Laser terhadap Pertumbuhan Jamur Curvularia sp pada Tanaman Bibit Kelapa Sawit
(Universitas Sumatera Utara, 2023)This research aims to analyze the influence of wavelength and laser irradiation time on the growth of Curvularia sp. fungus in oil palm seedlings. Curvularia sp. fungus is one of the main causes of diseases in oil palm ... -
Prototipe Sistem Monitoring Arus dan Tegangan Berbasis Internet of Things yang Diaplikasikan pada Catu Daya PLC
(Universitas Sumatera Utara, 2023)The design of current and voltage monitoring system based on IoT application on PLC power supply has been successfully designed by using Voltage sensor, ACS712 Current sensor, Arduino Uno, NodeMCU8266 and Blynk application. ... -
Pembuatan dan Karakterisasi Beton Polimer dari Serbuk Cangkang Telur Bebek dan Serat Buah Pinang dengan Resin Epoksi
(Universitas Sumatera Utara, 2023)This research has been conducted on the manufacture of polymer concrete based on duck eggshell powder and areca nut fiber with epoxy resin adhesive with characterization of physical properties including density test, ... -
Rancang Bangun Sistem Automatic Power Control (APC) untuk Dioda Laser sebagai Sumber Cahaya
(Universitas Sumatera Utara, 2023)The scope of applications in the development of optoelectronic instrumentation, especially laser diodes, is very broad, such as measurement tools, remote control systems, telecommunications systems, medical equipment, ... -
Pengukuran Laju Paparan Radiasi dan Efektivitas Perisai Radiasi pada Ruang CT-Scan di RSUD. Dr. Pirngadi Kota Medan
(Universitas Sumatera Utara, 2023)Research has been carried out on the measurement of radiation exposure rate and effectiveness of radiation shielding in the CT - Scan room using a Babyline Surveymeter. It aims to determine the radiation exposure rate ... -
Pelapisan Magnetit pada Tembaga Menggunakan Electrophoretic Deposition untuk Aplikasi Heat Pipe
(Universitas Sumatera Utara, 2023)In this research, the synthesis of magnetite nanofluid was conducted as a suspension for coating copper using the Electrophoretic deposition method with voltage variations of 15, 20, 25, and 30 volts. The variations included ... -
Perbandingan Energi Terkumpul dari Solar Tracker dan Panel Statis 40 WP Berbasis ATMega328
(Universitas Sumatera Utara, 2023)This experiment aimed to evaluate the energi efficiency of a solar tracking panel compared to a ground-fixed solar panel. A 40 WP solar panel equipped with a time-tracking mechanism was used to monitor the sun's movement ... -
Rancang Bangun Sistem Counter Pengunjung Berdasarkan Kapasitas Ruangan Menggunakan Sensor Infrared, Sensor Suhu, dan Servo Motor Berbasis Mikrokontroler Wemos D1R1
(Universitas Sumatera Utara, 2023)Post-public outbreaks are still limited and regulated by several health protocols to avoid the rapid and wide spread of the virus. One of the protocols is to limit crowds or density, especially in closed spaces. Based on ... -
Karakterisasi Kekeringan Meteorologis dengan Metode Standardized Precipitation Index dan Standardized Precipitation Evapotranspiration Index di Sumatera Utara
(Universitas Sumatera Utara, 2023)A drought index is utilized to identify and illustrate the level of drought in a region, the method used in this research is the Standardized Precipitation Index and Standardized Precipitation Evapotranspiration Index ... -
Pengembangan Klasifikasi dan Identifikasi Jenis Daging Menggunakan Deret Sensor dan Jaring Saraf Tiruan (JST)
(Universitas Sumatera Utara, 2023)Chicken, beef, and lamb are classified based on the distinctive aroma of the meat determined using an electronic nose consisting of a series of sensors with six pieces. This electronic nose also comprises a Conducting ... -
Degradasi Pewarna Tekstil dengan Nanokomposit Cu2O/ZnO/GO melalui Metode Fotokatalisis sebagai Bahan Pengolahan Air Limbah
(Universitas Sumatera Utara, 2023)The development of the textile industry that requires dyes such as Methylene Blue (MB) is very rapid, where MB is very dangerous for human health which can cause irritation to the skin, respiratory tract and the danger ...