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Sagita Rochman
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Best : Journal of Applied Electrical, Science and Technology
Published by Universitas PGRI Adi Buana Surabaya
ISSN : 27152871     EISSN : 27145247     DOI : https://doi.org/10.36456/best.vol3.no1
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Physics
A Journal that contain Applied Electrical, Science & Technology. Published twice a year, in March and September. P-ISSN: 2715-2871(print), and E-ISSN: 2714-5247 (online).
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 148 Documents
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SMOKE DETECTION DESIGN USING MQ-2 SENSOR AND EXHAUST FAN BASED ON MICROCONTROLLER Adi Winarno; Widodo Widodo; Rahmat Hanif Darmawan
BEST Vol 5 No 1 (2023): BEST
Publisher : Program Studi Teknik Elektro Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no1.7216

Abstract

Clean air is a very important requirement for life on earth, especially for humans. Nowadays people are competing to maintain air quality in their environment by using Air Conditioners (AC). The use of air conditioning in the home environment without us knowing that the air we breathe is contaminated with smoke. The smoke in the air-conditioned room cannot escape because the room is always closed. As a result, the smoke content that cannot escape is very dangerous, so a prototype of an indoor smoke detector is made using the Arduino microcontroller and the MQ-2 sensor as a smoke sensor. If smoke is detected by the MQ-2 sensor, Arduino will turn on the bazzer and fan.
ANALYSIS OF OXYGEN CONCENTRATION VALUES IN PORTABLE OXYGEN CONCENTRATOR DEVICES BY USING SILICA GEL AS FILTRATION MATERIAL Syahrul Ramadhan Ardiansyah; Akbar Sujiwa
BEST Vol 5 No 1 (2023): BEST
Publisher : Program Studi Teknik Elektro Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no1.7891

Abstract

Oxygen concentrators as a means of separating pure oxygen from free air became an item that was quite sought after when the pandemic case hit in the past 2020 to 2021. This device works by taking free air around us and then processing it by passing the air through a filter so that oxygen is separated from other gases, most of which are nitrogen. However, not all oxygen generator devices are able to filter oxygen to the maximum, this depends on the filtration material used. Most portable oxygen generator devices use synthetic zeolite as a filtration material, but have not maximally filtered oxygen, therefore in this study researchers examined the effect of using silica gel when used as an oxygen filtration medium in the same oxygen concentrator device. In the results of this study, it was found that there was an increase in the oxygen concentration from the standard media device using synthetic zeolite compared to using silica gel material, the increase in oxygen concentration that occurred increased by around 3.3%.
ARDUINO-BASED SOLAR WATER PUMP MOTOR CONTROL TO ADJUST WATER CIRCULATION IN HYDROPONIC PLANTS Sagita Rochman; Danu Krama
BEST Vol 5 No 1 (2023): BEST
Publisher : Program Studi Teknik Elektro Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no1.7972

Abstract

Hydroponic plants are currently very popular because they do not require large land and land. By planting hydroponically, the harvest will be faster but it is necessary to pay attention to the air that is maintained, the purpose of distributing plant root nutrients, the use of solar power as a driving force for DC (Direct Current) water pumps in hydroponics is designed using several tools including: photovoltaic 10 Wp type polycrystalline, solar charge controller, 12v 5Ah battery, Arduino UNO, Dsi8b20 temperature sensor and 12V DC water pump. In this study, the author will make a solar pump motor drive (Solar Panel) and regulate the circulation of air volume and temperature in the hydroponic plant.
RELIABILITY OF RADIOMIC FEATURES AGAINST NOISE IN THE USE OF DAUBECHIES WAVELET DERIVED FEATURES IN CT-BASED LIVER TUMOR Rasyida Shabihah Zukro Aini; Ira Puspasari
BEST Vol 5 No 1 (2023): BEST
Publisher : Program Studi Teknik Elektro Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no1.8026

Abstract

There are still many challenges in the field of radiomics, especially sensitivity which is influenced by many factors, one of which is noise. The large amount of bias noise that occurs reduces the performance of the diagnosis, perhaps because it does not involve wavelet derived features. The wavelet derived feature is believed to be more resistant to noise interference in the image. So, the proposed use of wavelet derived features accompanied by a comparative review of its effectiveness with the use of traditional radiomic features is implemented in this study. In this study, two liver tumor datasets were used, namely LiTS17 and 3D-IRCADb-01 data to test the reliability of features in different data. The two data are given the same treatment, namely by adding interference to the CT image by setting the SNR indicator. The label used is limited to the tumor part, the liver parenchyma is not included, so for LiTS17 a thresholding label is done first. CT images and tumor labels extracted data from traditional radiomic features and wavelet-derived radiomic features (Daubechies level 1). The statistical approach uses the ICC method in assessing agreement between observers. As a result, of the six feature groups (First-order, GLCM, GLSZM, GLDM, NGTDM, GLRLM) only NGTDM features are more effective on wavelet derived features. Whereas in the main LiTS17 data, the wavelet derived features do not have a major effect, traditional radiomic features sufficiently show ICC values in the good to excellent category.
User Experience Analysis of Neobank Application Using Heart Metrics Ratih Aisyah; Annisa Lusyani Zahra; Wafi Hidayatullah; Dwi Shahita
BEST Vol 5 No 2 (2023): BEST
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no2.6673

Abstract

Based on the accumulated reviews, it is known that the symptoms of disrupted user experience are supported by several reviews which show dissatisfaction in operating the Neobank application, which may have an effect on decreasing user satisfaction. This problem is something that must be monitored by PT. Neo Commerce Bank so that the Neobank application remains sustainable. This research has a mission to find out what will be emphasized for the development of the Neobank application based on the HEART Metrics measurement tool with the Importance Performance Analysis method implemented. Determining the number of respondents in this study implemented the formula created by Slovin and obtained a population of 99 respondents who are residents of the island of Java who use the Neobank application. Until the results of the importance and performance elaboration, there are several statement items that need to be evaluated, but there are items that need to be evaluated and prioritized immediately based on the results of the calculation of the suitability level and Cartesian diagram, namely the user experience that it is not uncommon to experience errors when operating a Neobank with a level conformity 91.91%. The items in the aforementioned statement have the potential to divert the user experience in using the Neobank application.
Four Digital Electronic Combination Key Using A 74HCT688 Comparator IC Accompanied with An Alarm as A Security Supriyono; Santoso, Teguh
BEST Vol 5 No 2 (2023): BEST
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no2.7798

Abstract

The development of science and technology is increasingly useful and has a positive impact on providing convenience in all areas of human life, so that various tools, books, information, facilities and others are increasingly new and developing more rapidly. In addition, the development of science and technology also has a negative or detrimental effect on human life, namely the occurrence of various rampant crimes, acts of theft, robbery, bank break-ins that often occur everywhere, for this the key role as a security device becomes very important. Various forms of locks are widely used, both mechanical and electronic, compared to electronic locks, mechanical locks are felt to be less secure for use as door security, a four-digit digital electronic combination lock is designed using a comparator IC 74HCT688 accompanied by an alarm as a door guard
Automatic Door Lock Design with Arduino Mega 2560 Based Knocking Rhythm Atmiasri; Melkior Baltasar Kasper Poso
BEST Vol 5 No 2 (2023): BEST
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no2.8027

Abstract

As the development of knowledge and technology in the world of education is currently advancing rapidly, many provide ideas for new methods and innovations in the field of technological development, especially automatic door locks with a rhythm of knocking. Door locks are vulnerable to the risk of being left behind or lost, protection or security is needed to store them. This research is designed to build a private room door security by using the knock pattern of the process by performing a knock, identification to verification of each recognized knock pattern. The system will start working by doing the accuracy of the interval between knocks when the rhythm / rhythm of knocking based on previously stored data then the system is active, from that developed a tool that is used as a room door lock by knocking on the door with a rhythm / rhythm that has been adjusted to the knock. Using this tool is expected to help and maintain better room security.
Designing a Surveillance System, Temperature and Humidity Detection based on Internet of Things (IoT) in the Server room University of PGRI Adi Buana Surabaya Dwi Hastuti; Anggarda Saputra Wijaya
BEST Vol 5 No 2 (2023): BEST
Publisher : Program Studi Teknik Elektro Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no2.8028

Abstract

University of PGRI Adi Buana Surabaya is a university located in Surabaya, East Java. All data management processes and academic information systems are connected to the server via a local network and the internet. Currently there are three server rooms owned by the University, namely: the main Server room in the PGSD Building, second floor; Backup Server room in the Postgraduate building, third floor; and network Server room in the Ngagel campus, building a, second floor. The server room accommodates network equipment and database servers require temperature and humidity that are always maintained and routinely need to be checked by officers. To avoid damage to the server and network devices in the server room, a temperature and humidity detection system based on the Internet of Things (IoT) is made. This system is built using Home Assistant as an application of Internet of Things (IoT) centralized control system and CCTV to display conditions in real-time in each server room. Sensor to detect temperature and humidity using the DHT11 Sensor, the ESP8266 Microcontroller acts as a link between the host and the sensor by utilizing a wireless network. This tool can provide benefits in the field of Information Technology and Data in terms of monitoring so that it officers can check anytime and anywhere through a Web Service.
Design of Wireless Remotely Operated Mobile Robot "Line Botic" for Cleaning Solar Panels Imaduddin, Ilmirizki; Wandanny, Ryoga Lybraocta Putra; Faruq, Moh Agung Amir; Tuzani, Thoriq
BEST Vol 5 No 2 (2023): BEST
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no2.8034

Abstract

In this research, we will design a wireless remotely operator mobile robot 'linesbotic' for cleaning solar panels, using the open loop method, simply an electric motor that works on the principle of two magnetic fields that produce movement. The aim is to be able to produce a force that drives torque. The motor is installed to carry out certain work that requires the right speed and direction of rotation, so that the speed and direction of rotation of the motor can be adjusted in such a way as to suit the intended use of the motor. The results of the design and software testing for each component can work well according to the list of programs that have been created, while for hardware testing with interference conditions from passing vehicles, road lampposts, trees and buildings with an average percentage of 47% can be achieved. running well, and while testing the joystick in the forward position at angular velocity (-0.0) and at linear velocity (1.0), the joystick in the backward position at angular velocity (-0.0) and at linear velocity (-1.0), the joystick in the right position at angular velocity (-1.0) and at linear velocity (-0.0), the joystick is positioned to the left at angular velocity (1.0) and at linear velocity (-0.0).
Smart Home Remote Control System Prototype Using Internet of Things (IoT) Based ESP8266 Microcontroller Adi Winarno; Widodo; Mochamad Kevin Nurcahyo
BEST Vol 5 No 2 (2023): BEST
Publisher : Program Studi Teknik Elektro Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/best.vol5.no2.8063

Abstract

Technology is developing very rapidly in the current era, there will be several impacts that will result from the development of technology. Electronic equipment control can be done remotely in real time using the IoT system. The problem faced is the concern when leaving home. Because when leaving the house, homeowners sometimes often forget about electronic devices whether they are turned off or still on. IoT can be utilized at home as a smart home system by connecting an electronic device to an android application. This IoT-based smart home system uses an ESP8266 microcontroller which is used to connect between hardware and software that is controlled through the Blynk application. Blynk application is used as an interface that functions to provide input and produce output. This system consists of four sensors, namely the MQ2 sensor to detect gas leaks in the kitchen, the DHT11 sensor to determine the level of humidity and temperature in the bedroom, the PIR sensor to detect human movement at the front entrance, the ULTRASONIC sensor as a detector of the water level in the water reservoir and using three relays as a connector for lights and other electronic components. And using the Blynk application as a control system on the ESP8266 microcontroller.

Page 11 of 15 | Total Record : 148

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