NEWTON: Networking and Information Technology

Development Of an Attendance System Using Rfid Based On The Internet of Think

2025-08-10T08:18:45+00:00

The attendance system is an important component in the world of education to monitor student attendance regularly and accurately. However, manual attendance methods that are still widely used, such as recording in books, have various disadvantages such as prone to recording errors, data manipulation (absenteeism), and making the attendance recapitulation process difficult. This research aims to develop an automatic attendance system using Radio Frequency Identification (RFID) technology integrated with the Internet of Things ( IoT ). This system is designed so that the attendance recording process can be carried out automatically, in real-time, and directly stored in a web-based database. The system development method uses a prototyping approach, with stages of communication, quick planning, quick design, construction, and feedback from users. The hardware used includes ESP32, MFRC-522 RFID module, 16x2 LCD, buzzer, and push button. While the software is built using PHP Native, MySQL, and Arduino IDE. The system has three main modes, namely Data Add Mode, Opt-In Mode, and Opt-Out Mode. Attendance data will be sent directly to the server and can be accessed by teachers or officers through the web dashboard. The test results using the black box method show that the system is running according to the expected function. The implementation of this system has been proven to improve the efficiency and accuracy of recording student attendance, as well as reduce the administrative burden on the school. The system also has the potential to be further developed with notification features or integration into other academic

School Inventory Management Using Android Based QR code

2025-08-27T06:04:08+00:00

Inventory management of school facilities is an essential part of asset management to ensure the availability, condition, and effective use of items. However, manual inventory recording often leads to data inaccuracies, difficulties in tracking, and consumes a significant amount of time and effort. Therefore, this study aims to design and develop a mobile application based on Android to assist the inventory management process of school facilities more efficiently and accurately by utilizing QR Code technology. The application is developed using Java/Kotlin programming language and Android Studio framework, with SQLite used for local data storage and PHP-MySQL for data synchronization to the server when connected to the internet. The main features include inventory data input, QR Code generation and printing, QR Code scanning for item tracking, item condition updates, and damaged or repair-needed item reporting. The system is also equipped with user authentication to ensure that only administrators have access to the data. The testing results show that the application runs well on Android devices and is capable of managing inventory data more quickly and accurately compared to manual methods. The integration of QR Codes facilitates instant item identification through scanning, thereby accelerating the recording and checking processes. Thus, this application is expected to be a practical and efficient solution for inventory management in school environments.

Web Based Sales Information System for Crackers Products Using Laravel Framework

2025-08-30T17:28:19+00:00

Home Industry Glagahan, which produces traditional kerupuk (crackers), faces several challenges in managing sales, stock recording, and product distribution, as these processes were previously carried out manually, leading to errors in record-keeping, loss of transaction data, and difficulties in generating structured sales reports. To address these issues, this study developed a Web-Based Sales Information System for Kerupuk Products using the Laravel framework supported by a modular e-commerce package, applying the Waterfall development method that includes requirements analysis, design, implementation, testing, and evaluation stages. The system provides features such as an online product catalog, automated transaction recording, integrated stock management, and sales reports based on specific periods, while system functionality was tested using the Black-box Testing method to ensure that it meets user requirements. The results show that the system successfully assists the business owner in managing sales and stock data more effectively compared to the previous manual method, although limitations remain, such as the lack of fully implemented online payment integration and a relatively simple user interface. In the future, this system can be further enhanced by integrating courier services, digital payment methods, and a more flexible user interface to support wider market expansion.

Design And Implementation of a Short Message Delivery System Using LoRa Technology

2025-09-08T02:53:15+00:00

This study presents the design and development of a short message communication system capable of operating in areas without internet connectivity by leveraging LoRa (Long Range) technology. LoRa was selected due to its extended coverage and energy efficiency, making it well-suited for deployment in remote regions. The proposed system integrates ESP32-based transmitter and receiver nodes with the LoRa RA-01 module as the communication medium. A mobile application is developed to provide a user-friendly interface for composing and displaying messages, while an SQLite database is utilized for storing communication records locally. System development follows the Waterfall model, covering requirement analysis, design, implementation, and testing. Experimental results demonstrate that the system successfully transmits and receives messages up to a distance of 100 meters without internet connectivity. The solution offers a practical and efficient alternative for wireless communication, particularly for delivering critical information in areas underserved by conventional telecommunication infrastructure.

Dela Web-Based Laundry Information System Using the Codeigniter Framework

2025-09-08T06:21:48+00:00

Dela Laundry, a laundry business in Banggle Hamlet, Losari Village, Ploso Subdistrict, is still experiencing operational problems due to the use of manual record-keeping. This has the potential to cause data errors, delays in information, and reduce customer satisfaction. Therefore, a web-based information system is needed to speed up the service process, minimize the risk of errors, and provide transparency of the laundry process to customers. As a solution, this study designs and develops a Laundry Information System using the CodeIgniter 4 framework with PHP programming language and MySQL database. The development method used is the Waterfall model, which includes the stages of requirement analysis, system design, implementation, testing, and maintenance. This system aims to facilitate administrators and staff in managing customer data, orders, services, and reports, as well as allowing customers to monitor the status of their laundry orders online without needing to log in. Testing results using the Black Box Testing method showed that all system functions operated properly without any significant errors being detected. In addition, a feasibility test conducted through a questionnaire to users obtained an average score of 88%, which falls into the “Good” category and is suitable for use. Thus, this system is capable of making operational processes more structured, efficient, and transparent, as well as increasing customer satisfaction and supporting the development of small to medium-scale laundry businesses.

Implementation of Smart Chatbot on Skincare E-Commerce Website Using Groq API

2026-01-11T14:48:44+00:00

Slow and limited availability of customer service during specific hours continues to be a significant challenge in the e-commerce sector, especially when it comes to providing prompt, detailed, and accurate product information. This study effectively created and implemented an intelligent chatbot utilizing the Groq API, which is capable of delivering automated, real-time customer assistance around the clock. The Groq API was chosen for its capacity to handle natural language data with exceptionally low latency, facilitating quick interactions between users and the system. The chatbot system was integrated into a skincare e-commerce platform and developed using the Waterfall methodology, which outlines the stages of requirements analysis, system design, implementation, testing, and maintenance. The system underwent functional testing and showed rapid and precise response performance. The testing outcomes reveal that the chatbot can provide replies with an average response time of roughly ±1.4 seconds and a response accuracy rate of 90%. Moreover, the chatbot is adept at maintaining appropriate domain boundaries while addressing out-of-context or non-skincare-related inquiries. Based on these findings, it can be concluded that the designed chatbot operates effectively, improving customer service efficiency, speeding up the product consultation process, and potentially enhancing customer satisfaction and loyalty on skincare e-commerce sites.

Implementation of a Mamdani Fuzzy-Based Decision Support System for Determining Social Assistance Priorities

2026-02-02T06:33:09+00:00

Determining the priority of social assistance recipients is a semi-structured problem commonly faced by village governments and social institutions. The manual and subjective selection process often leads to mistargeting and inequitable distribution of aid. This study aims to implement a Decision Support System (DSS) based on the Mamdani Fuzzy method to determine the priority of social assistance recipients. The research object is data on prospective social assistance recipients in Sidowayah Village, Beji District, Pasuruan Regency. The criteria used include income, number of dependents, housing conditions, and employment status. The Mamdani Fuzzy method was selected because it effectively handles uncertainty and linguistic data in the decision-making process. The results demonstrate that the developed system can produce objective, consistent, and adaptive priority rankings for social assistance recipients compared to manual methods and the SAW method. Expert validation through interviews with village officials indicates that the system is deemed feasible for implementation, rated as valid to highly valid.