Firebase Database Research Articles

Enhancing Healthcare through Detection and Prevention of COVID-19 Using Internet of Things and Mobile Application

The main symptoms of COVID-19 are high temperature, throat infection, and irregular heartbeat. An integrated wearable device has been presented in this paper for the measurement of temperature and heartbeat in real time using different sensors and NodeMCU ESP8266. For temperature, the DHT11 sensor is used and, for heartbeat, the pulse sensor is used. After reading the data from the sensors processed by NodeMCU ESP8266, it is sent to the firebase database using wireless connection (Wi-Fi module). From the database, the data are displayed in an android application. On the basis of certain conditions of the data, the user as well as the administrator is notified regarding the user’s current health. For the social distancing, an ultrasonic sensor is used. The sensor will warn the user, if he/she is in close contact with someone within a specified distance. The user’s current location is also tracked using the location services of android. A module named COVID-meter, based on the disease.sh-Open Disease Data API, was also included in the research for reading of real-time data of different countries related to COVID-19 like total cases, total deaths, total recovered patients, and so on. The proposed device can be used in both populated and rural areas, but in rural areas it will be much more important because people are unable to reach a doctor on time; thus, they can check their health conditions remotely using the proposed device.

RANCANG BANGUN MODUL 3 PRAKTIKUM SISTEM EMBEDDED BERBASIS RASPBERRY PI (PERCOBAAN 3: PENGONTROLAN LAMPU MELALUI APLIKASI ANDROID)

The role of university in supporting embedded system development and Internet Of Thingsimplementation seen with Embedded System + Lab Course in Electrical Engineering StudyPorgram, Engineering Faculty, Udayana University. Embedded System + Lab Course is a newcourse, so it’s not available yet learning tools in the terms of supporting the course, then it isnecessary to create Embedded System Practicum Module. Embedded System PracticumModule cosists of 4 kinds of experiment. 1st experiment: monitoring servo motor arm positionchange with PIR sensor in Android application. 2nd experiment: monitoring servo motor armposition change with ultrasonic sensor in Android application. 3rd experiment: controlling andmonitoring light bulb with Android application. 4th experiment: controlling and monitoring lightbulb with Telegram Bot. Given the many results of the discussion of experiments and subexperimentsin module 3, in this article, only experimental data 3 data will be discussed.Experimental data in 3rd module showing the success of tool performance and output datasuitability of monitoring and controlling lamp load status on Python Shell, Firebase and Androidapplication. Can be concluded in this research that the success of making 3rd ModuleEmbedded System Practicum(3rd Experiment : Lamp Controlling Through Android Application)has worked well. The overall experimental data can show the success of parsing JSON data onthe Python Shell platform, Firebase database, Android application.

Security and Privacy Based NFC Wallet Design

With the Covid-19 pandemic, contactless and remote payment options have started to be used more widely. NFC technology is also used for contactless payment. In this study, it is aimed to create a payment system using NFC. The design of the payment system used a portable NFC, an Android phone with version 4.4 or higher, an NFC card, Firebase database from Google, and tokenization. We can define tokenization as generating a random string of text with your credit card number. First of all, the developed application must be downloaded and installed on the phone. With this application, the phone will act as a POS machine. Users can use the phone as a POS and make transactions using it. In this system, only a random text string will be visible in an unauthorized access to the database. In this way, security and confidentiality are provided in the system.

The Design of Augmented Reality Using Unity 3D Image Marker Detection for Smart Bus Transportation

Public bus transportation has become an integral part of society, but the disrup-tion of bus services is one of the major concerns. This project presents the devel-opment of Smart Bus Transportation using Augmented Reality (TRANSPAR) that was developed on a mobile application. One of the major issues with public transportation is on real-time responsiveness. Most bus schedules are presented online but customers still faced many failures. Some bus schedules are not updat-ed when changes happened through time. Some existing bus schedules system is fixed to the bus stations. This research is to identify the bus schedules and its routes characteristics. A 3D AR animation based on identified characteristics was designed using the Unity 3D image marker detection on a mobile Android plat-form. A smartphone application was developed using Vuforia and Google Fire-base. TRANSPAR shows an AR mobile application for acquiring the bus time-tables. The phone camera is applied for marker image detection and scanning the bus station’s images. AR and normal image scanner were designed. Google Fire-base Database is used to retrieve and store each timetable data for every bus sta-tion. Analysis of interactivity and benefits of TRANSPAR shows about 90% agreed on the use of AR and more than 76% agreed on its functionality based on 50 taken samples. This shows a positive impact on the designed TRANSPAR. The research is significant to encourage and experience the public with new tech-nological application for public transportation and it impact the society.

Impact of renewable energy micro-power plants on power grids over Africa

Providing electricity in African countries through the extension of the grid is very expensive, due to its highly distributed population. Thereby, the use of distributed renewable energy micro-power plants is the proposed solution.In this paper, we present the research studies at our laboratory to achieve building prototypes of smart distributed renewable energy micro-power plants. Four types of micro-power plants are being developed; a 1.5 kW Wind Turbine Emulator based on a Double Fed Induction Generator, a 1.5 kW Wind Turbine Emulator based on a Synchronous Generator, a 1.5 kW Photovoltaic system with Grid Tie Inverters and finally, a 250 W Photovoltaic micro-power plant connected through a self-made single-phase Grid Tie Inverter.In addition, we have a simulated power grid with conventional power plants, power system stabilizers and automatic voltage controllers and other modelled power plants running in real time on embedded processors (Raspberry PI3). To ensure the data flow between all these micro-power plants and the simulated power grid, we use a Firebase Database; the experimental benches send data and receive orders to/from the database thanks to Wi-Fi connected microcontrollers ESP8266. Load Flow and Transient Stability studies are considered.

APLIKASI PENCARIAN FASILITAS TAMBAL BAN DI KABUPATEN PRINGSEWU BERBASIS ANDROID

The more use of motor vehicles in Indonesia, the more increasing the need for tire patchy places. When experiencing a tire leak, the Rider will encourage the bike to find the location of the nearest tire patch. However, if the Rider has never crossed the road it will be more difficult because it has to push the bike without knowing the location of the tire patch and the operating hours of the tire patch. With the advancement of technology, smartphones are considered a necessity because they have functions that make it possible to do whatever is needed. Therefore, a Tire Patch Facility Search Application was created in Pringsewu Regency Based on Android to make it easier for Riders to know the location of tire patch and to call the Tire Patcher to the Rider's location. The application was developed using the Waterfall method which is divided into 5 stages, namely requirements analysis, system design, program code writing, testing, and maintenance. In this study, the application was built with an Android framework with program code using the Android Studio IDE and the Java programming language and Firebase Database. The results of this study show the application is able to display the location of the patchwork of the tire that is open, the application can help the Rider to call the Tire Patcher to the location, and GIS technology is successfully applied to determine the position of the Rider and the route to the location of the tire patch, and vice versa

Design and Implementation of a Unified Identity Number System in Nigeria Using Object Oriented Programming Approach

This study covers the exploration of the integrity of the national identification system in Nigeria, and thus, helps to minimize the existence of multiple forms of identities with the aid of a unified resident’s identification number system that will provide a platform that links all existing identities of residents as well as providing each resident with a unique identity number. The system provides ease of access to all citizens identification registry. This system is an android based system developed and implemented with XML and java programming language. Firebase database was deployed as the database engine because of real time features. OOADM (object-oriented analysis and design methodology) was used as the choice of methodology because it is the best choice for web-based and android applications. Simple front-end validation was used to authenticate users’ entry (input of invalid characters). Google authenticator served as the third-party random number generator for the new unique identity number.

Placement Cell Android Application and Admin Portal

Training and Placement Cell is an important part of any educational institute, in which most of the work till now is being done manually. The training and placement officer has to inform around thousands of students about every single training and placement related activity. So, to make the placement process easy and effective for the training and placement department as well as the students, an Android application can be developed for students and a website for admin i.e., training and placement department. This website can help the placement officers to provide the details of upcoming companies and their events. And the students can register for all the eligible companies through the android application and view the event of particular company. The android application also provides facility of maintaining details of students along with the placement records of the college. And all the details of the students and the companies are stored in the firebase database. This project will be helpful in faster management of the placement related activities in the college campus.

Badminton Field Booking Application in the Sidoarjo Region based on Android

In sidoarjo area more and more badminton court rental with quality standards that make fans play badminton more and more. in booking badminton courts still use a manual system. Then it takes innovation in technology to help in booking badminton courts. In the creation of the application using waterfall method so that the creation of the application can be completed according to the planning so as to produce the appropriate application. Implementation of the results of the study using android studio software using java programming language and using firebase database as data storage in the application in realtime. Badminton court booking application based on android can provide user convenience in booking badminton court does not have to come to the field. The application has been tested using the black box testing method on all features of the application shows a percentage of 100% so that arguably the application runs well. Similarly, can be seen in the test using the likert scale questionnaire method for UAT results get a result of 85%.

Online Restaurant Reservation Application In The Region Of Sidoarjo Based On Android

In sidoarjo area today is very much popping up restaurant business from large to small scale with various types of restaurants. Including restaurant sawung rasa and serba sambal that often apply reservations to the restaurant. With the number of customers making reservations, especially during the fasting month of course restaurants often experience overwhelmed and customers also often experience reservation rejections when visiting the restaurant because the restaurant is full of reservations. So it is necessary to have an online restaurant reservation application by utilizing technology into the process of reservation activities to provide new innovations. The design of this restaurant's online reservation application uses waterfall method. By implementing the results of the study using java programming language and firebase database as data storage. Therefore, the online reservation application of restaurants, especially sidoarjo area customers can easily and quickly make reservations with the value obtained from testing functionality on all features shows a percentage of 100% and by applying a likert scale poll for UAT results get a result of 84%.

Electronic culinary reservations based on Android with the Scrum methodology and Firebase database

Culinary preservation activities in the process of ordering food or drinks in restaurants are the initial process in restaurant or cafe activities, the problem that occurs is the buildup of orders on the order note, and sometimes customer order errors or changes to orders by customers. The purpose of this study is to make electronic android-based culinary reservations using firebase as a realtime integrated database between tables, kitchens, and cashiers. The research method used is Agile Scrum with the product backlog, sprint, daily scrum, and sprint review stages with modeling using Unified Modeling Language diagrams. This study took a sample in one restaurant in Garut Regency. This research resulted in a prototype of a reservation application that can be used on Android smartphones for customer tables, kitchens section, and cashiers. This culinary reservation application can help improve service to customers by increasing order times faster, reducing the occurrence of booking errors, and reducing paper usage.

Android-Based Child Monitoring Application Using A Smartwatch and Geofence Service

This article discusses implementing an application to monitor children’s movements using virtual borders. This virtual boundary is known as a geofence. This geofence is used to mark which areas can be occupied by the child. This child monitoring application with geofence facilities was built using the unified software development process (USDP) method. USDP is divided into 4 stages, namely Inception, Elaboration, Construction, and Transition. This application is designed to assist parents in monitoring children’s movements in realtime. This child monitoring application with geofence facilities begins with an investigation of system requirements, followed by a system architecture design and a use case diagram design. Data needs in this system include the actors involved, namely children and parents. Children use smartwatches and parents use Android smartphones. The latitude and longitude positions of the child and parent are stored in the Firebase database. Geofences are set by parents and are used to restrict children’s movement in certain areas. In designing this system, the haversine formula is used to calculate the distance between the child’s position and geofence to find out whether the child is still in the permitted area. When the child leaves geofencing, a response will appear to the parents.

Developing a Low-cost, smart, handheld electromyography biofeedback system for telerehabilitation with Clinical Evaluation

Existing telerehabilitation systems require highly experienced personnel to interpret a patient’s muscle activity in a specialized lab, limiting the biofeedback available at the patient’s home. In addition, there is no contact between physiotherapists and patients remotely. This study designed and implemented an interactive tele-electromyography (EMG) biofeedback device for facilitating patients’ rehabilitation and giving the physiotherapist the ability to develop and monitor personalized treatment for each patient precisely and remotely. The device comprised a device that acquires EMG signals during muscular activity and two cell phone applications, one for the patient and the other for the physiotherapist; traced muscle activity; and enabled the physiotherapist to monitor and control the patients’ sessions through a Google Firebase database. EMG signals were acquired from five subjects, and results were compared to a certified device. The evaluation process involved two metrics, correlation coefficient and root mean square value (RMSV). The proposed EMG biofeedback device is an integrated solution with numerous features, such as low cost, handheld size, patient-friendly interface, contributions to rapid healing, and secure communication. In addition, it provides raw EMG signals for applied research applications.

Document Digitalization and Scoring System of Students Final Project

The Faculty of Information Technology is one of the faculties at Maranatha Christian University Bandung. One of the study programs in the Faculty of Information Technology is Informatics Engineering Department. Nowadays, the management of Final Project and Final Project Seminar is still managed manually. In this research, we did this research to digitalize any documents and scoring grades by using this system for student’s final project. This causes the data management process related to the process of recording and completing the final project relying only on Microsoft Excel. In this research, an analysis and application design carried out to assist the process of recording the journey of students in completing the Final Project Assignment. The result from this research is an application prototype that can be used by course coordinators to manage grades of final project and final project seminar. This application is a web-based, built using PHP with Firebase database.

Internet of Things based Integrated Smart Home Automation System

Users often need to control and monitor activities inside the home remotely, for elderly parents, children, or pets. This paper presents a multifunctional, low-cost, and flexible system for smart home monitoring and control. The system is based on node-MCU ESP32 with Internet connectivity that allows remote device control. The system transmits sensor data to the Firebase database and can receive commands from the server, allowing automatic control. The android-based mobile app is designed for communication with the Firebase database and updating its values to monitor and control the various home appliances. For the demonstration of the feasibility of the system, various sensors like temperature, humidity, light, LPG (MQ-6), and motion sensors were integrated into a prototype of the home automation system. For the authentication and validation of the proposed system, the performance of the system is studied rigorously and is also evaluated.

Data Structure Comparison Between MySql Relational Database and Firebase Database NoSql on Mobile Based Tourist Tracking Application

Tracking application is widely used to help outdoor activities. One of them is used to help tourists who do tourist destinations in group activities. Tourist tracking application requires data on the position of tourists on earth. This coordinate data can be obtained using latitude and longitude data from GPS (Global Positioning System). Coordinate latitude and longitude position of tourists from time to time are stored in a database. Database Selection for media storage will determines the level of speed and ease in accessing data. There are some differences in designing the structure of the MySql and Firebase databases. Relational Database begins with identification of entities involved in the system. One entity with another entity is related and has a cardinality level of the relationship. Relational database implementation in the form of tables in normal forms that are interconnected. Data will be stored in columns and rows. Normalization of tables causes high query computation when calling data that involves many tables. Firebase, which is one of the NoSql databases, in building data structures is stored in JSON objects. JSON tree structures usually consider the display of information that will be presented to users. So that the generated JSON tree has high efficiency and speed in processing data. In this study a comparison between the design of the relational database structure, namely MySql and NoSql Firebase database structure was developed. Firebase is more power full for the development of applications which update data in realtime and and handle a lot of coordinate data such as tourist tracking applications. Applications that do not have complex data relations such as tourist tracking applications are more suitable to use firebase than using MySQL.

Design of Children Monitoring Application for Outdoor Activities Using a Smart Watch

The background of this research is the increasing of criminalization in children, one of which is kidnapping of children, Meanwhile many parents have to work so they don’t have enough time to be always close to their children. The purpose of this research is to develop applications that can help a parents to monitor the movements of their children’s outdoor activities. The application uses a smart watch to get the child’s GPS position and at the same time the device sends the last position of the child to the firebase database server. Parents can monitor the child’s movements through the android smart phone device in realtime. The application design uses several UML (unified modeling Language) diagrams namely use case diagrams, activity diagrams and squence diagrams. This application requires data objects including parent, child, family and child’s position (latitude and longitude). The main use cases in this application are sending position, case view, child location on map and view path of moving each child. The application can run only if there is an internet connection and the child uses smart time.

Pengembangan Aplikasi Sistem Informasi Smart Register Online Berbasis Android Menggunakan Algoritma BruteForce

The process of registering new students (PMB) for sharing information displayed on the website based PMB information system. However, constraints in the usage of the website are prospective students must monitor the website frequently to obtain information. If not accordingly a student is at risk of lagging behind the latest information. The research aims to expand a registration information system on the enrollment of student-based websites and developed into an Android-based application. So it is very easy for students to access PMB information, and registration through the Android application. This study designed an Android-based registration information system application using the waterfall method, brute force algorithm, integrated realtime firebase database and firebase storage cloud. The results of testing the brute force algorithm on the word search S1 Engineering with the input string Informatics carried out 8 steps of searching. These results by calculating the parameters of cyclomate complexity, region, and independent path from whitebox tests obtained the same results, the amount of 16. The results of testing blackbox method declared successful and as expected. So it can be concluded the development of an online smart register information apply the brute force algorithm is said to be feasible to implementation in the process of registering new students in accordance with the testing that has been done.

Wireless Room Sensing and Controlling using Google Assistant

There are many safety structures in the world to screen our home, office, schools, institutes and industries. However, our merchandise are mindful of the surroundings and refer to phrases such as temperature, gas, humidity, pace and sound. For our cell telephones (anywhere in the world). It additionally serves as a safety device by way of monitoring motion in that room or warehouse. The primary phase of the product is the manage machine with some digital blocks (controls, actuators, software program and ADAFRUIT). Control block runs the system, wi-fi block ensures verbal exchange and the records transfer, actuator aspect is treated through the manipulate block. Sensors decide primary facts about the environment, such as temperature, humidity, and gas. Control block helps wi-fi sensors and relays. The important phase of the machine is ESP8266 NodeMCU. The device communicates with the PC, smartphone, internet browser, etc. In addition, the interface of the gadget ought to be as easy and effortless to study as it can be used through the aged and disabled. Control the gadget the usage of Android apps or Google Assistant. Android apps are used to speak with the Firebase database and replace its values. This approves you to manage a variety of sensors and electrical gadgets in the house.

Sistem Monitoring dan Penjernihan Air Berdasarkan Derajat Keasaman (PH) dan Kekeruhan Pada Bak Penampungan Air Berbasis Internet of Things

There are still a lot area that have not goten water from PDAM, therefore, people try to make artesian well made by themselves. Although, not all of them can afford to make their own artesian well. Therefore, governtment make a national program called Penyediaan Air Minum dan Sanitasi Berbasis Masyarakat (PAMSIMAS). Therefore, we need a technology which can detect and purify water turbidity for the water that people use everyday. People can see wether the water is decent to be consumed and if not therefore the system can pour alum automatically. The designed system in the form of conected hardware and software to monitor water quality based on turbidity and water pH through smartphone. Hardware system include microcontroller Arduino Uno, LDR sensor, pH sensor, servo motor, Sim808 modul and LED. The used softwares in this research are android aplication and firebase database. The system can save turbidity and pH data therefore, people can monitor through their smartphone and get information about level of the water. The goal of this system is to make people’s life become more easier to know the water’s condition and purify the water which will be used without going to the water tub