SMATIKA JURNAL : STIKI Informatika Jurnal

Home Page SMATIKA Journal Volume 14 Number 01, Juni 2024

Siti Aminah — Thu, 01 Aug 2024 04:13:52 +0000

Implementation of the Elliptic Curve Digital Signature Algorithm for Smart Wheelbarrows in Monitoring Animal Feed

Alvi Suhartanto, Heni Sulistiani, Selamet Samsugi, Reflan Nuari, Izudin Ismail — Wed, 26 Jun 2024 05:27:30 +0000

The Internet of Things (IoT) implementation in the livestock sector includes the use of sensors, software and internet-based platforms to monitor, manage and optimize in real-time. This research is intended to solve problems at PT. Indo Prima Beef noted that the use of animal feed is still based on estimates, resulting in the calculation of the selling price of cattle being inaccurate and potentially detrimental. Manual recording which is prone to errors and less efficient causes uncertainty in feed management and costs. Therefore, this research develops an IoT-based tool that is integrated in a wheelbarrow. This tool is capable of reading the results of weighing animal feed and storing the data in real-time in a database connected to web monitoring. Apart from that, the monitoring application can display recap results of cow feed weights, there are also features that support optimal use of the Smart Gerobak Sorong. The method used in this research is applying the Elliptic Curve Digital Signature Algorithm as a safeguard for data communication between IoT and the database. Based on the test results on a cow's feed weight of 10.6 kg, a difference value of 0.11 kg was obtained. This means that the average error value is 0.01%. So, it can be concluded that the loadcell sensor can read mass data for weighing cattle feed with the same load. With this tool, PT. Indo Prima Beef can increase the efficiency of feed use, optimize business income, and provide innovative and effective solutions in overall animal feed management.

Inventory Information System at UPTD Puskesmas Kemlagi Using Waterfall Methode

Rafi Fakhruddin Rizaldi, Suhendro Busono, Arif Senja Fitrani — Wed, 26 Jun 2024 07:24:34 +0000

This research is motivated by rapid developments in technology and science which have a positive impact on society. UPTD Puskesmas Kemlagi, as a public health institution, faces challenges in managing inventory using manual methods and MS Excel. The aim of this research is to make it easier to monitor, maintain and analyze item acceptance by utilizing the Waterfall software development approach. Black box testing is a research approach used to assess the functionality and performance of an inventory information system being developed. The research results show that the existence of an inventory information system has succeeded in helping employees carry out their duties more easily and comfortably. The implementation of the Waterfall method has proven to be effective in increasing efficiency and performance, responding to the challenges faced by the UPTD Puskesmas Kemlagi, and making a positive contribution to the management of inventory at the health institution.

Android File Security Application with AES Encryption and Fingerprint Authentication

Habib Husain Amirullah, Ade Eviyanti, Sumarno Sumarno — Wed, 26 Jun 2024 08:27:03 +0000

Data security in the current digital era has become critically important. Data and digital document thefts continue to occur, with an average cost of $3.86 million due to data breaches in 2018. To tackle this challenge, cryptography, particularly encryption, has become a key element in maintaining data confidentiality and integrity. The Advanced Encryption Standard (AES) has become the global standard for preserving data confidentiality by transforming data into a form that is difficult to decipher without the correct key. However, AES security relies heavily on the strength of the key used, posing risks of weak keys and potential negligence. This research aims to address these issues by combining AES-128 as the encryption algorithm and fingerprint-based authentication to enhance security access. The use of fingerprint biometric verification provides a user-friendly layer of security. The application was tested using Automated Testing, which is a method for testing a system using a series of scripts. The test results demonstrate that by combining the latest encryption technology and biometric authentication, this research successfully developed an application capable of encrypting data using the AES algorithm and integrating it with BiometricPrompt. The outcome is an improved level of data security in this digital era.

Hero Name Recognition Learning Application Using the Fisher-Yates Algorithm

Muhammad Aldito Ardiansyah, R. M. Nasrul Halim — Wed, 26 Jun 2024 09:45:17 +0000

Application of technology in learning activities is the right decision, because most children have a great sense of curiosity, such as curiosity about heroes. Heroes are historical figures who contribute to the development of nations and countries. A use of technology that can be used is a learning application and is generally made in the form of quiz games. Quiz games are games that are played by answering existing questions. The questions were randomly selected using the Fisher-Yates algorithm. The Fisher-Yates algorithm is a calculation by creating random variations of existing sets. The Multimedia Development Life Cycle method is employed in this research as it is suitable for building multimedia application systems. In this development, the test stage uses the black box testing method. Based on the research results and the development process, it can be concluded that the application of the Fisher-Yates algorithm can run well in randomizing questions based on the results of 15 trial tests. And according to the black box testing results, it indicates that the created application can be used properly.

Implementation of Forward Chaining Method in Expert System for Diagnosing Farm Chicken Disease

Ahmad Januar Amriyansah, Heni Sulistiani, Riska Amalia — Thu, 27 Jun 2024 08:25:55 +0000

One of the most serious problems faced by chicken farmers is chicken disease. Chicken diseases can be diagnosed by identifying the symptoms that appear and also consulting with an expert. However, this method requires a long time and is quite expensive. Therefore, this research aims to implement the forward chaining method in an expert system to help chicken farmers in diagnosing chicken diseases online. This expert system was developed using the PHP programming language and MySQL database. This expert system also provides treatment guidelines that are in accordance with the diagnosed disease. The expert system was tested using 33 symptoms and 10 common chicken diseases. The test results show that this expert system can diagnose chicken diseases with high accuracy and provide diagnosis results directly through a web browser. This expert system can also improve users' understanding of website creation and chicken diseases.

Implementation Of Augmented Reality As A Media Introduction To The Solar System Based On Android

Ardian Danang Kurniawan, Joko Aryanto — Thu, 27 Jun 2024 09:11:17 +0000

Most science subjects, especially those related to the solar system are still taught conventionally, using props such as books, blackboards, and props. These props do not attract the attention of students, so students become less interested in subjects. So it takes alternative media in the introduction of solar system materials. The purpose of this study is to create a solar system recognition application based on Augmented Reality. This application will make planetary objects more realistic and improve students ' understanding of the literature on the solar system. This research will use literature study research method. Identifying problems, conducting literature research, collecting data, developing systems, testing applications, and writing reports are the research steps. This research produces augmented reality applications that use markerless method so that 3D objects can be moved freely by the user. this application can be an alternative media introduction to the solar system, helping students gain a better understanding and encourage them to participate in active learning

Implementation of Fuzzy Logic to Determine the Amount of Bread Production Using Tsukamoto Method

Ipung Dwi Antoni, Yulian Findawati — Thu, 27 Jun 2024 09:55:43 +0000

In an effort to improve the sustainability of the product manufacturing business, an appropriate strategy is needed to avoid losses due to wrong policies. This research proposes the application of Tsukamoto fuzzy logic as a solution to determine bread production based on inventory and demand. Bread, as a product with a short expiration period, requires smart production management to avoid waste and losses. Many bakeries still adopt the traditional way without considering fluctuations in market demand, which may result in overproduction or stock shortages. This research takes the case of Sarinda bakery, which is experiencing challenges in coping with market demand fluctuations. Through the use of the Tsukamoto fuzzy method, the results showed an accuracy rate of 93.06%, with a Mean Absolute Percentage Error (MAPE) of 6.94%, a very good category. This method proves its effectiveness in helping entrepreneurs determine the amount of bread production in accordance with changing market conditions, without the need to add many existing production facilities. The use of Tsukamoto fuzzy logic in this context can be a smart solution to improve bread production efficiency and optimize business profits.

Designing Inventory Information System at PT. Rejoso Manis Indo Using Rapid Application Development Method

Panky Yoga Pratama, Abd. Charis Fauzan, Tito Prabowo — Mon, 01 Jul 2024 02:18:58 +0000

Technology that cannot be stopped and is increasingly developing requires companies like PT. Rejoso Manis Indo to adopt a more sophisticated and efficient system. This company's still manual inventory management process faces various problems, such as recording errors, lost or damaged data, and low efficiency. Difficulty tracking the status of goods also results in inaccurate data. This research aims to design an inventory information system using the Rapid Application Development (RAD) method which involves users at every stage of development. Data was collected through Likert scale questionnaires, interviews, and literature studies. This system was implemented using PHP CodeIgniter, and MySQL, and checked using the System Usability Scale (SUS) and black box testing. The research results show that the developed inventory information system increases effectiveness and efficiency, with a user satisfaction level of 77 with a value of B (Good). In conclusion, this system is effective in overcoming inventory problems at PT. Rejoso Manis Indo, although further research is needed to involve more users from various departments and examine the security and scalability aspects of the system.

Implementation of Internet of Things (IoT) in Tracking the Position of Search and Rescue Teams in Sukoharjo District Using LoRa

A Ari Andrianto — Mon, 01 Jul 2024 03:05:20 +0000

This research was motivated by communication problems and tracking the position of the SAR search team in Sukoharjo Regency, which was caused by limited connections and signals in remote areas. This limitation makes it difficult for the SAR command center to visually monitor the team's location on digital maps, thereby hampering the efficiency of search and rescue operations. The aim of this research is to implement Internet of Things (IoT) technology using LoRa to overcome these problems and increase the efficiency of search and rescue operations. The research method used is the prototyping paradigm, which involves developing and testing a prototype of an IoT-based tracking system. This prototype is designed to provide real-time location information for search teams, which can be accessed by the SAR command center even in areas with limited signal. The research results showed that the system developed was successful in providing real-time location information for the search team, which could be accessed by the SAR command center even though it was in an area with limited signal. In conclusion, this research succeeded in achieving its goal, namely improving the tracking and communication capabilities of SAR search teams in remote areas through the use of IoT and LoRa technology, so that it is hoped that it can increase the efficiency and effectiveness of search and rescue operations in the future.

Implementation Convolutional Neural Network (CNN) For Bima Script Handwriting Recognition

Ahmad Angga Handoko, Mochamad Alfan Rosid, Uce Indahyanti — Mon, 01 Jul 2024 00:00:00 +0000

Indonesia with its rich cultural diversity, certainly results in the existence of various languages in it. In the dialect of a region, there are letter symbols that represent the expression of the region's unique language. One example of a language that shows unique characteristics in its writing system is Bima, known as the Bima script. Bima script, or often referred to as Mbojo script, is a writing system traditionally used in the Bima region, located in West Nusa Tenggara Province. Bima script is still not widespread among the public, so it is important to preserve it as part of the cultural heritage of the Mbojo tribe. This research aims to train a computer to recognize Bima characters. The Convolutional Neural Network (CNN) method is used in this research to recognize Bima script handwriting. The dataset used consists of 2640 images of Bima script handwriting with 22 classes. The results showed a reliable performance of the CNN model, with an accuracy of 97,34%, precision 97,56%, recall 97,34%, and f1-score 97,31% on the test data.

SQL Injection: Analysis of Penetration Testing Effectiveness in Web Applications

Luthfi Arian Nugraha, Irwan Alnarus Kautsar, Arif Senjani Fitrani — Sun, 30 Jun 2024 00:00:00 +0000

In the continuously evolving digital era, information system security becomes crucial, particularly against SQL Injection attacks that threaten data integrity. This research aims to evaluate the vulnerability to SQL Injection in web applications and assess the effectiveness of penetration testing methods as a security measure. Utilizing a literature review and previous studies, this research identifies various attack techniques and defense strategies used to protect data. Through systematic penetration testing on ten websites, this study produces performance data reflecting the success rate of attacks and the time required for penetration. The results show variations in the effectiveness of penetration testing tools, with some sites exhibiting significant vulnerabilities. To enhance the security of web applications, this research suggests updating programming languages, implementing OOP and MVC paradigms, using Rest APIs, implementing WAFs, and utilizing CAPTCHAs. These findings provide insights for developing more robust and adaptive security strategies in the face of cyber threats.

Web-Based Digital Freelance Platfrom Design Using Waterfall Method

Sun, 30 Jun 2024 00:00:00 +0000

With advances in technology, people can now work independently without having to come to work. This is thanks to technology which is increasingly widespread in various aspects of human life. Especially among the younger generation, interest in becoming freelancers is increasing because of the flexibility of work schedules that allow them to work from anywhere. Apart from that, they can collaborate with clients from various countries via the internet. In this research, the author uses the waterfall development method, which emphasizes structured steps starting from identifying needs to system maintenance. In conclusion, this program has succeeded in facilitating collaboration between freelancers who need work partners on agreed projects. My freelance platform allows anyone to register as a freelancer and partner, making it easier for them to find work. The program testing results show a success percentage of 93%.

Implimentation Of Payment Gateway On Digital Freelance Platform Using Rest

Muhammad Agung Laksono, Irwan Alnarus Kautsar, Hamzah Setiawan — Sun, 30 Jun 2024 00:00:00 +0000

In the continuously evolving digital era, the use of payment gateways has become a crucial element in online business transactions. A payment gateway is a technology or service that enables companies or institutions and applications to accept electronic payments or other digital payment methods. This study employs an Agile Development approach to implement a payment gateway on a digital freelance platform. Agile Development was chosen for its flexibility and iterative approach, allowing for quick adjustments to changing needs. The results indicate that the payment gateway on this freelance platform operates quite effectively. Testing on the platform showed successful outcomes with a success rate of 87%. This research demonstrates that integrating a payment gateway via REST API not only enhances the operational efficiency of the freelance platform but also strengthens user trust in the digital payment system, thereby supporting the growth and sustainability of the freelance platform's business.

Sentiment Analysis of the Tiktok Application from Reviews on Google Playstore Using the Naïve Bayes Method

Nizar Fawwazun Hilmi, Faldy Irwiensyah — Wed, 03 Jul 2024 04:33:47 +0000

In this research, we use reviews from the Google Play Store platform to conduct sentiment analysis on the TikTok application. Reviews can be categorized into positive, negative, or neutral sentiment groups using a Naïve Bayes approach. The distribution of user sentiment towards TikTok is displayed in the sentiment analysis results. Exposing model performance allows you to observe the level of understanding, accuracy, and precision of emotion classification. Our findings provide marketers and app developers with in-depth information about how users view TikTok. The accuracy level, precision level, and recall level of the Naive Bayes algorithm used for sentiment analysis for evaluating users of the TikTok application on the Google Play Store are 83.66%, 82.97%, and 91.97%, respectively. From the accuracy figures, it is clear that the Naive Bayes method provides reliable results so it is suitable for use in data categorization.

Implementation Of Progressive Web Apps On Digital Freelance Platform With Rapid Application Development Method

Reyhan Adi Saputra, Irwan Alnarus Kautsar, Novia Ariyanti, Cindy aurusta — Sun, 30 Jun 2024 00:00:00 +0000

In recent years, the number of freelancers in Indonesia has increased significantly. Many people choose to become freelancers because they can work more flexible hours, have greater earning potential, and have more control over the work they do. Freelancers can also provide work to partners on digital freelance platforms when orders pile up and cannot be handled alone. The digital freelance platform provides a space where partners and freelancers can connect flexibly via the website, however visiting the website's Uniform Resource Locator (URL) is done repeatedly when you want to visit the platform. Progressive Web Apps (PWA) is a solution to this problem. This research aims to implement PWA on a digital freelance platform. The method used is the Rapid Application Development (RAD) method with stages of Requirements Planning, Design Workshop, and implementation. The research results show that PWA has been successfully implemented on digital freelance platforms. This is proven by the results of tool testing from web browsers, manual installation testing on the main screen, responsive testing, and service worker testing with black box. User response test results show that PWA is well received by users. This is proven by the results of the questionnaire which shows that the average percentage of user satisfaction is 93.5% in the "Very Good" category.

Motor Vehicle Security System With ESP32 Using Android Control

Fahreza Aditya Aryatama, S. Samsugi — Fri, 05 Jul 2024 07:18:18 +0000

Motor vehicle theft throughout 2023 was 38,438 cases. One of the causes of motor vehicle theft is because the motor vehicle security system is still ineffective and there is no dual security system. This research aims to develop a motorcycle security system utilizing smartphones, specifically those based on the Android operating system, considering that almost everyone owns a smartphone. The increase in the number of motor vehicles is proportional to the rise in criminal activities, such as motorcycle theft. This system is designed to maximize the functionality of smartphones in daily life to enhance motorcycle security. The developed system connects Android to the ESP32 microcontroller using Bluetooth communication. Android acts as the user control medium, sending commands to the ESP32 via Bluetooth. The ESP32 then forwards these commands to the motorcycle, which responds according to the received instructions. The research results show that Android can be effectively used for motorcycle security, including activating the alarm, functioning as the motorcycle key, helping to locate the motorcycle in parking areas, receiving voice and button commands, and providing additional security features. Furthermore, this system allows users to utilize the SmartGuard Motor feature, which offers a primary motorcycle security system function connected via WiFi and Hotspot with a range of 50 meters. This study also demonstrates that Internet of Things (IoT)-based technology can be implemented to enhance the efficiency and security of personal transportation. System testing was conducted under various conditions to ensure its reliability and responsiveness. By leveraging existing technology, this system offers a practical and efficient solution to reduce the risk of motorcycle theft and improve daily user security. The results contribute significantly to efforts to enhance vehicle security in society.

Designing A Mobile Application For Fresh Fish Sales Using A Design Thinking Approach

Sun, 30 Jun 2024 00:00:00 +0000

The decline in aquaculture productivity due to the COVID-19 pandemic and increasing global competition, as well as difficulties for fishermen in selling fish due to high distribution costs and low consumer confidence in fish freshness, demand innovative solutions for the fishing industry. This research aims to answer this problem by developing a mobile-based fresh fish marketing application called "FreshCatch." We use Design Thinking methods to improve user experience and interface design. This methodology includes understanding user needs, determining core problems such as the issue of trust in fish freshness, finding solutions, creating low and high-fidelity design prototypes, and usability testing. The research results show a high level of success and user satisfaction with a significant increase in user trust and market accessibility for fishermen. The study concluded that "FreshCatch" effectively enhances the digital transition in fish sales, expands market reach, and increases fish farmers' income while ensuring the availability of fresh fish for consumers. This research contributes to advancing digital solutions in the aquaculture industry, encouraging sustainable and efficient market practices.

Implementation of Fuzzy Tsukamoto in an Internet of Things System for Spinach Cultivation

Andrianto Suherman, Destriana Widyaningrum — Thu, 25 Jul 2024 04:26:11 +0000

Agriculture is a major sector of livelihood for Indonesians, but often faces challenges such as climate change, resource management, and poor harvesting. One is that spinach cultivation is often controlled by environmental conditions such as high heat temperatures and excessive rainfall, which can lead to a decrease in spinach quality to failure to harvest which can be detrimental to farmers and affect the sale price of spinach. The Internet of Things (IoT) technology is a solution to improve agricultural efficiency by monitoring environmental conditions such as soil humidity, temperature and water requirements in real time. The research aims to implement the fuzzy logic used to address the complexity of data obtained from IoT sensors. An automatic control system uses a servo motor based on sensors of soil humidity, air temperature, and rain. The system applies Tsukamoto's fuzzy logic method to the Arduino Uno R3 device that consists of phases of fuzzification, rule formation, inference process, and deffuzification. The monitoring of spinach cultivation using the IoT system was conducted for 7 days under controlled conditions inside the pot. The results of the study showed fuzzy motion based on the input according to the conditions of the spinach growing environment, shown on observation day 5, no rain conditions, heat temperature 330 Celsius and soil humidity 69%, moving servo 79.20 covering the area of the pot, according to defuzification values. With this result, Tsukamoto's fuzzy method can be applied to IoT systems in agriculture, in particular to control the movement of servo motors to protect spinach crops according to climate-affected environmental conditions.

Web-Based Goods Inventory Information System At The Clock Shop Sumber Terang in Jember

Titasari Rahmawati, Hermawan Andika — Sun, 30 Jun 2024 00:00:00 +0000

The rapid development of technology makes the business world more efficient and effective, so information becomes crucial for business success. The implementation of information presentation for business purposes has been widely realized in the form of information systems that are indispensable for managing and understanding business processes, especially in complex environments such as the Clock Shop Sumber Terang Jember, where employees are assigned to check goods manually with paper media, but the ability to data is not on time. This method also causes problems such as delayed data transmission and delays in handling the recording of large quantities of goods. Another problem that arises is that the data search process will take a long time. To answer these challenges, a website system will be developed to provide comprehensive information about warehouse inventory. This system is designed to overcome the problem of delay and inefficiency caused by manual recording. This information system uses HTML, PHP, Bootstrap CSS Framework, and MySQL technologies. The main features provided include login, management of item data, item categories, users, checklists, approval of item checking data, and report generation. System implementation includes hardware and software specifications, as well as a user interface designed to simplify the inventory management process. The conclusion of this research shows that the information system developed can help check goods more quickly and efficiently. Suggestions for further development include the addition of goods inspection features and stock management.