Department of Physics: Recent submissions
Now showing items 1681-1700 of 2656
-
Pemanfaatan Near Field Communication (NFC) dan Voice Reconizer Sebagai Pengaman dan Pengendali Pintu
(Universitas Sumatera Utara, 2020)Sistem pengunci pintu saat ini masih menggunakan kunci konvensional, sehingga kurang efisien untuk rumah dengan banyak pintu karena terlalu banyak kunci yang harus dibawa, selain itu kunci konvensional mudah dibuka oleh ... -
Perancangan dan Implementasi Helm Pencegah Kantuk dengan Getaran dan Bunyi Menggunakan Sensor Detak Jantung Berbasis Mikrokontroler Atmega 328
(Universitas Sumatera Utara, 2020)Keselamatan mengendarai sepeda motor merupakan hal yang wajib dilakukan. Perangkat keselamatan seperti helm yang ada saat ini hanya mampu memberikan perlindungan tanpa mampu memberikan peringatan kepada pengguna. Oleh ... -
Perancangan Sistem Smart Keyless pada Lemari Penyimpanan Berbasis STM32
(Universitas Sumatera Utara, 2020)Kunci memegang peranan penting di dalam sebuah sistem keamanan yang sekarang ini sebagian besar masih menggunakan sistem secara manual yaitu dengan menggunakan pengunci konvensional. Saat ini tingkat keamanan kunci ... -
Rancangan Alat Pendeteksi Aroma Minyak Goreng mengunakan Sensor TGS2611 melalui Sistem Electronic-Nose
(Universitas Sumatera Utara, 2020)Cooking oil is a food ingredient that is consumed in all parts of the world. When cooking oil is used repeatedly, at that time the feasibility of cooking oil begins to decrease until it is not suitable for consumption. It ... -
Pengaruh Diameter Tabung Kalibrator terhadap Kesalahan Kalibrator Pengukur Curah Hujan Berbasis Web
(Universitas Sumatera Utara, 2020)Testing of the Effect of Calibrator Tube Diameter on Calibartor Error for Web-based Rainfall Gauge has been tested. This test is carried out to determine the diameter of the Calibrator Tube, both for calibrating the Rainfall ... -
Simulasi Pengukur Curah Hujan Memanfaatkan Flow-Meter Efek Hall Komersil
(Universitas Sumatera Utara, 2020)Measurement is something that is often found in our daily life. The measurement process is needed to be able to find the value of a situation or condition. To get accurate measurement values, especially measurement values ... -
Pembuatan Inverter Sinus Murni dengan Metode Single Phase Sinusoidal Inverter Asic (Application Specific Integrated Circuit) Memanfaatkan Mikrokontroller Eg8010
(Universitas Sumatera Utara, 2020)It has been designed a device that gets a DC to AC inverter that can be used as an alternative energy source when the main electricity network is cut off and can stop the conversion when the power drops from the minimum ... -
Efektivitas Ekstrak Daun Kelor (Moringa Oleifera L) Sebagai Inhibitor Alami Terhadap Laju Korosi Logam Tembaga dalam Medium Hcl 1 M
(Universitas Sumatera Utara, 2020)Has been conducted research on the effectiveness of kelor leaf extract as a natural inhibitor of the corrosion rate of copper metal in the Medium HCl 1 M. In this research kelor leaf extracts are used as a natural inhibitor ... -
Rancang Bangun Sistem Akuisisi dan Monitoring Charging dan Discharging Baterai Nicd/Nimh Berbasis Mikrokontroller
(Universitas Sumatera Utara, 2020)The design of aquisition system and monitoring charging and discharging battery NiCd/NiMh with a based microcontroller that can be monitored via PC (Personal Computer) and the Smartphone. The aquisition system was designed ... -
Pembuatan dan Karakterisasi Bahan Superkonduktor Bi1.6Pb0.4Sr2Ca2-xMxCu3Oy(M= Na, Mg dan Ce) FASE 2223 dengan Metode Sol-Gel
(Universitas Sumatera Utara, 2019)Bahan superkonduktor BPSCCO non-dopan dan dopan Mx (M = Mg, Na, dan Ce dengan x = 5% dan 15%) dengan metode sol-gel berhasil dibuat. Namun setelah melalui uji Cryogenic Magnetic yang menghasilkan bahan superkonduktor dengan ... -
Pengaruh Penambahan Aditif Sio2 Dan Suhu Sintering Terhadap Sifat Fisis, Struktur Kristal Dan Mikrostruktur Pada Keramik Al2o3
(Universitas Sumatera Utara, 2020)In this research Al2O3 ceramics have been made with the addition on SiO2 additives which purpose to know the effect of adding the percentage of SiO2 additives and sintering temperature to change in physical properties, ... -
Sintesis Dan Karakterisasi Material Soft Magnetic Nixzn1-Xfe2o4 (X = 0,2 – 0,8) Pasir Besi Lombok Dengan Metode Kopresipitasi
(Universitas Sumatera Utara, 2020)Softmagnetic nanoparticle NixZn1-xFe2O4 has been synthesized with variation of composition x = 0,2 – 0,8. The research purposes is know effect of variation x on crystal structure, microstructure, magnetic properties and ... -
Pengaruh Doping Al2o3 Dan Coating Carbon Pada Anoda Li4ti5o12 Terhadap Struktur Kristal, Morfologi Dan Performa Elektrokimia
(Universitas Sumatera Utara, 2020)In this research, Li4Ti5O12 anode with doping Al2O3 and carbon coating was made to determine the effect of doping Al2O3 and carbon coating on crystal structure, morphology and electrochemical performance. Li4Ti5O12 anode ... -
Pengaruh Aditif SiO2 dan B2O3 Terhadap Suhu Sintering, Sifat Fisis, Struktur Kristal dan Mikrostruktur pada Keramik SiC
(Universitas Sumatera Utara, 2020)In this research SiC ceramics have been made with SiO2 and B2O3 additives which purpose to know the effect of SiO2 and B2O3 additives on sintering temperature to change in physical properties, crystal structure and ... -
Rancang Bangun Identifikasi Tingkat Kematangan Buah Mangga & Tomat Berdasarkan Citra Digital (Vision) Berbasis Mikrokontroler Atmega328p
(Universitas Sumatera Utara, 2020)The design of a tool in the form of a digital image based on the ATMEGA328P mitrocontroler which is used to identify the maturity level of manga and tomato fruit has been successfully designed. This fruit maturity detection ... -
Rancang Bangun Alat Ukur Kadar Nutrisi pada Sistem Pengairan Tanaman Hidroponik dengan Monitoring Android
(Universitas Sumatera Utara, 2020)Hydroponics is a way of farming without using soil. Soil is actually a place where plants grow can be stored with inert media that functions as a buffer and plant support, such as sand, husk charcoal, rockwool, cotton, ... -
Sintesis Lithium Mangan Oksida (Limn2o4) Untuk Katoda Baterai Lithium Ion Dengan Metode Solution
(Universitas Sumatera Utara, 2020)Research on the synthesis of Lithium Manganese Oxide (LiMn2O4) for Lithium Ion Battery Cathodes with Solution Method has been conducted. This experiment was carried out using the solution method. In this study, the ... -
Alat Pembuat Minuman Kopi Otomatis dengan 4 Pilihan Rasa Berbasis Mikrokontroler Atmega 328
(Universitas Sumatera Utara, 2020)The majority of Indonesians like coffee drinks as an encouraging dish and a meal during leisure time. The activity of consuming coffee can eliminate boredom thoughts due to daily activities. Therefore, coffee is very ... -
Perbaikan Linearitas dan Sensitivitas Sensor Beban Berbasis Macrobending Fiber Optic Menggunakan Variasi Bending Radius
(Universitas Sumatera Utara, 2020)Apart from being a means of data transmission in communication, optical fiber is also very potential as a sensor, one of which is a load sensor that can be used in the WIM system to weigh vehicle loads without stopping so ... -
Rancang Bangun Sistem Pengaman pada Mobil Menggunakan Rfid dan Monitoring Posisi Mobil Menggunakan Sensor Sw-420 dan Gps Berbasis Mikrokontroler Atmega328p
(Universitas Sumatera Utara, 2020)Car Theft cases have increased recently. However, the level of successful case-registration conducted by the police is classified as minimal. One of the reasons is the difficulty of the investigating team to locate the ...