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Background: The rapid advancement of digital technologies in the Industry 4.0 era has transformed industrial mechanical systems into highly interconnected and data driven environments through the integration of sensors, the Internet of Things (IoT), data analytics, and cyber physical systems. This increasing complexity requires more adaptive and accurate monitoring and prediction methods than conventional simulation approaches, which often face limitations in capturing real time dynamic system behavior. Objective: This study aims to develop a predictive performance model for industrial mechanical systems by integrating Digital Twin technology with Physics Informed Machine Learning in order to improve monitoring accuracy and support predictive maintenance strategies. Methods: This research adopts a data driven modeling and simulation approach by developing a digital representation of an industrial mechanical system that is connected to real time sensor data. The prediction model is constructed using a Physics Informed Neural Network (PINN), which integrates operational data with physical principles governing system dynamics. The research process includes the development of a Digital Twin model, integration of sensor data, training of the PINN model, model validation using experimental data, and evaluation of prediction performance using statistical metrics. Results: The results indicate that the integration of Digital Twin technology and PINN significantly improves the prediction accuracy of industrial mechanical system performance compared with conventional simulation methods and purely data driven machine learning models. The proposed model is capable of representing system dynamics more consistently, accurately following sensor data patterns, and providing strong potential for supporting machine condition monitoring and predictive maintenance strategies in modern industrial environments.

Baitul Mal Wattamwil (BMT) is a microfinance institution in its operations based on sharia principles, its existence is very strategic for the development of micro businesses that are not touched by the services of commercial banks both conventional and sharia, because they are less bankable. . BMT Amanah Madinah, which is located in Ngeni Village, Waru Subdistrict, Sidoarjo Regency, has been serving micro entrepreneurs in helping with capital. These services make BMT Amanah Madinah continue to improve for the better. One form of improvement is the holding of training in the preparation of sharia contracts for administrators and employees. The hope is that after the training the management and employees will be able, understand and apply it in daily practice, so that the contracts used are in accordance with sharia. the purpose of this activity is to improve the ability of BMT administrators and employees in the preparation of sharia contracts that are in accordance with customer needs and their application in daily practice. The training program for the preparation of contracts for administrators and employees of Baitul Mal Wattamwil (BMT) Amanah Madinah Waru Sidoarjo, was carried out well and smoothly according to plan, and most participants were able to receive the material well. Participants were enthusiastic about the activities as indicated by the liveliness of the participants in the activity process.

This community service program at the Class I Correctional Facility SAE L’SIMA Malang was designed to address the urgent need for effective vocational skills development among inmates through productive poultry farming activities. One of the key challenges in poultry farming is the low success rate of egg hatching when relying on conventional, manually operated incubators that often lack precise temperature and humidity control. To overcome this problem, the program introduced the development and implementation of an automatic incubator system as a technological innovation to support both learning and productivity. The program employed a participatory approach, beginning with preliminary site surveys to identify existing resources and limitations within the correctional facility. Subsequently, the team carried out the design and assembly of an automatic egg incubator equipped with a digital system to monitor and regulate temperature and humidity levels. Functional testing was conducted using both chicken and duck eggs to ensure reliability and applicability across different types of poultry. In addition to the incubator prototype, the program also produced a practical user manual to guide inmates in operating and maintaining the equipment independently. The results demonstrated that the automatic incubator significantly improved the hatching success rate compared to traditional manual methods, despite initial challenges such as limited availability of components, restricted funding, and the reliance on outdated manual equipment. The inmates showed high levels of participation and adaptability in learning the operation of the new system, highlighting the potential of this program to enhance not only technical competence but also self-confidence. In conclusion, this initiative successfully integrated vocational training with technological innovation, offering a sustainable and practical solution for small to medium-scale poultry operations. Beyond improving technical skills, the program has broader social implications by equipping inmates with marketable competencies that can support their reintegration into society and contribute to their economic independence after release.

Reda dragon fruit (Hylocereus polyrizhus) peel, which is often discarded as waste, contains pectin that has potential to be used in the food industry.  This review article aims to examine the effect of microwave-assisted extraction (MAE) technology on the results of pectin extraction from red dragon fruit peel. A review was conducted on four main scientific articles discussing MAE for pectin extraction from dragon fruit peel, focusing on the chemical composition aspect and the effect of MAE technology on the extraction results. MAE technology has been shown to significantly increase extraction efficiency compared to conventional methods, with parameters such as pH, extraction time, and solid-liquid ratio affecting the extraction results. One potential application of dragon fruit peel pectin is as a base material for environmentally friendly edible films with functional added value. Formulation optimization and further testing are needed to develop the application of dragon fruit peel pectin on an industrial scale.

Business re-planning is an effort to reorganize a business that has been run with structured governance. MSME actors cannot be separated from various business challenges and obstacles that can affect the growth rate of their business. Business practices for micro entrepreneurs are mostly operated without careful planning. Meanwhile, the business world is growing widely and competition is high. Some MSMEs combine business needs with family interests and result in achieving business visions. Business governance, such as: marketing, finance and products by MSMEs is still conventional, so business re-planning is needed to support business sustainability and especially drive the local economy. Community service in Sidayu District was initiated to instill a modern business mindset. The stages of community service begin with coordination, socialization. The target of this community service is aimed at MSMEs in Gresik Regency so that they can improve their understanding of the importance of business re-planning and improve more adaptive business governance skills. Training for MSMEs is not only about theoretical business insights but also a forum for them to consult on business. The follow-up to business training is to provide business mentoring. The implementation aims to accompany MSMEs in making business changes for the better. The community service went smoothly with high enthusiasm from the training participants.

Business re-planning is an effort to reorganize a business that has been run with structured governance. MSME actors cannot be separated from various business challenges and obstacles that can affect the growth rate of their business. Business practices for micro entrepreneurs are mostly operated without careful planning. Meanwhile, the business world is growing widely and competition is high. Some MSMEs combine business needs with family interests and result in achieving business visions. Business governance, such as: marketing, finance and products by MSMEs is still conventional, so business re-planning is needed to support business sustainability and especially drive the local economy. Community service in Sidayu District was initiated to instill a modern business mindset. The stages of community service begin with coordination, socialization. The target of this community service is aimed at MSMEs in Gresik Regency so that they can improve their understanding of the importance of business re-planning and improve more adaptive business governance skills. Training for MSMEs is not only about theoretical business insights but also a forum for them to consult on business. The follow-up to business training is to provide business mentoring. The implementation aims to accompany MSMEs in making business changes for the better. The community service went smoothly with high enthusiasm from the training participants.

Hypoalbuminemia is an abnormal condition indicated by low albumin levels, which is <3.5 g/dL and is commonly found in patients with chronic diseases. Conventional therapy through Human Serum Albumin (HSA) is often an option, but has limitations, including fornas restrictions, very high costs, and limited availability. Thus, other more effective and efficient alternatives are needed, namely by utilizing biological sources such as snakehead fish in the form of supplements or capsules. Although there have been various studies and clinical evidence regarding its effectiveness, literature reviews that tabulate the results of various studies are still very limited. Therefore, this systematic review needs to be written to determine the effectiveness of administering snakehead fish capsules on albumin levels in patients with hypoalbuminemia. The compilation of this literature review uses a literature review method that is presented descriptively using several databases that meet the inclusion and exclusion criteria that have been set. The final result obtained 12 literatures that met the inclusion criteria for further study. The results of the review consistently showed that capsules or supplementation of snakehead fish extract were proven to be significantly effective in increasing albumin levels in patients. Factors that influence the effects of administering snakehead fish capsules are the dose and frequency of administration. It was revealed that intervention for 21 days provided superior albumin increase results compared to a duration of 10-14 days. This finding is very relevant because it is in accordance with the biological half-life of albumin in the liver, which is around 21 days. This literature review is expected to be a strong scientific basis for further research and the development of more effective clinical policies in the future.  

In the contemporary era, advancements in innovation and technological readiness have become fundamental elements in national security and defense strategies. This is because modern warfare has evolved from conventional physical conflicts to battles that encompass the domains of information, cybersecurity, and technological supremacy. In an effort to build a strong, sophisticated, and autonomous defense system, a nation needs to prioritize reducing dependency on other countries through achieving independence in the provision of Main Weapon System Tools (Alutsista). The Naval Technology College (STTAL) plays a vital role in advancing research activities and producing high-quality human resources as a long-term defense investment capital that can be optimized by the Indonesian Navy (TNI AL). This study examines the impact of innovation and integrated technological readiness in STTAL's research outcomes on the achievement of TNI AL's defense equipment independence. The research methodology employs a quantitative approach with Structural Equation Modeling (SEM) analysis techniques using the SmartPLS 4 application. The study involves four key variables: Innovation (X1, Z), Technological Readiness (X2), STTAL Research Outcomes (Y1), and TNI AL Defense Equipment Independence (Y2). The research findings reveal that: (1) the innovation variable has a significant impact on STTAL's research outcomes with an effect magnitude of 0.065, (2) the technology readiness variable shows a very significant influence on STTAL's research outcomes with an effect magnitude of 0.874, (3) there is a significant mediating effect of technology readiness through innovation as a mediator on STTAL's research outcomes with an effect magnitude of 0.026, and (4) STTAL's research outcomes have a very significant impact on the independence of the TNI AL's defense equipment with an effect magnitude of 1.318.

SIBENSAM is a mobile application owned by the Indonesian Navy to collect data on the personnel of the Indonesian Navy's kaporlap anywhere and anytime with the aim of reducing the time of the briefing process with the hope that the data produced has high accuracy. However, in the Indonesian Navy Academy environment, Cadets have not adopted the tool so that the method of collecting kaporlap data still uses the conventional method, namely filling out a form printed on paper. So that errors are still found in the data produced and the time required is very long to produce Kaporlap data as a basis for carrying out the briefing of the kaporlap of the Indonesian Navy Academy Cadets. The writing of this research proposal has the intention of creating a database of the AAL Taruna kaporlap to assist the duties of the Staff of the 4th Regiment of the Cadet Corps, thus this research proposal aims to be input for the Indonesian Navy Academy institution to create an application similar to SISBENSAM for the scope of the Indonesian Navy Academy Cadets. The current condition of the kaporlap data is inaccurate, the processing of kaporlap data takes a long time, and the cadets do not have time to carry out the kaporlap data update. The expected condition is that the kaporlap data produced is accurate, the processing of kaporlap data is concise, and the updating of kaporlap data is flexible as an indicator of the success of this research proposal. To realize this, a strategy was prepared including systematic design of the initial concept of the initial product, development of the initial product design, joint development with the TNI AL Disinfolahta. The conclusion of this study is that innovation is needed in the implementation of briefing activities in the scope of the TNI AL Academy Cadets which facilitates the work of the Staff of the 4 Regiments of the Cadet Corps and at the same time becomes a learning medium for the Cadets, especially for the Supply Corps Cadets.

Indonesia is a country inhabited by the largest Muslim population in the world. The need for halal products is also very important for the running of a Muslim's life. Saccharomyces cerevisiae plays a major role in biotechnology, both traditional and modern such as in genetic engineering techniques. The purpose of this practicum is to find out how to make sticky rice tape and to determine the effect of yeast concentration on the level of sweetness of the sticky rice tape produced. These microbes have long been used in making long-lasting food. Examples of halal products include bread, tape and bioethanol. Meanwhile, haram products include intoxicating drinks such as sake. Modern biotechnology supports environmentally friendly bioethanol production.

The increasing number of motorcycle thefts in various regions indicates that conventional security systems are not yet fully effective in protecting vehicles, necessitating new technology-based innovations. This study discusses the planning and implementation of a motorcycle security system utilizing Radio-Frequency Identification (RFID) technology as a more responsive and modern solution. The system is designed using a passive RFID tag placed on the motorcycle key, an RFID reader integrated with the motorcycle unit, and an Arduino microcontroller that functions to control the ignition system. With this combination, the motorcycle can only be activated if the appropriate tag is detected, while access attempts using an invalid tag or the loss of the tag will automatically disconnect the ignition system. Test results announced that tag recognition can be done very quickly, in less than a second, so as not to disrupt the user's comfort when starting the vehicle. In addition, this system is able to maintain consistent performance by providing an automatic response that supports advanced security. The implementation of this plan is expected to reduce motorcycle theft by providing an additional layer of security that is more difficult to penetrate than a manual key system. From the user's perspective, this technology remains practical because it does not require complicated procedures in its operation, simply by ensuring the appropriate RFID tag is attached to the motorcycle key. Overall, this research confirms that the application of Arduino microcontroller-based RFID technology can be an alternative, inexpensive, and applicable security system in everyday life. It is hoped that this system will not only improve protection for vehicle owners but also serve as a benchmark for the development of more sophisticated transportation security technologies in the future. Implementation of this system is expected to reduce motorcycle theft and provide a greater sense of security for vehicle owners.

The utilization of the CapCut application is widely adopted by Hajj and Umrah travel agents for the creation and editing of various types of promotional videos, owing to its comprehensive functions and powerful video processing capabilities. This research is titled “Utilization of the CapCut Application for Video Creation and Editing of Digital Promotional Media for Hajj and Umrah Travel Agent Teras Hanania 038 Bekasi.” Conventionally, business owners in the Hajj and Umrah travel sector have only marketed their package products through traditional methods, utilizing printed brochures or pamphlets distributed manually. The reach of this conventional marketing type is unable to widely penetrate the target market.The objective of this research is to explore the utilization of the CapCut application by outlining the workflow for video creation and editing using the application. This process aims to produce creative videos that are attractive and dynamic, capable of sharing complete information through a brief narrative. This digital promotional media is intended to assist Teras Hanania 038 Bekasi in introducing and marketing its Hajj and Umrah packages to prospective pilgrims worldwide, thereby reaching a significantly broader target market. The research methods employed are Library Research and Field Research.

This study aims to develop and validate the feasibility of android-based learning media using smart apps creator on computer hardware material for high school students in grade X. Conventional learning processes are often less interesting and not optimal in conveying hardware concepts that tend to be abstract. Therefore, the development of this interactive media is expected to be an alternative in learning media in class and outside the classroom. This study uses the Research and Development (R&D) method with the PPE model consisting of three stages, namely Planning, Production and Evaluation. The research stages include defining student needs and curriculum, media design, developing smart apps creator learning media products, and distributing and evaluating feasibility. The validation results were tested and assessed by 3 media validation experts, 1 material validation expert. The assessment results from media experts obtained an average value of 64.3 so that it is included in the "Very Eligible" category. The assessment results from material experts obtained an average value of 56 so that it is included in "Very Eligible". The overall assessment results by media experts, material experts obtained an average value of 60.15 with the "Very Eligible" category., Android-based interactive learning media using this smart apps creator is declared very feasible to use in the learning process.

Student learning engagement plays a crucial role in character development, especially at the elementary school level. To foster a positive learning environment and encourage active participation, active learning approaches based on games are considered effective. This study aims to analyze the relationship between the active learning model using word-building games and the learning engagement of third-grade students at SDN 3 Jepang, Kudus Regency. The research was motivated by the low level of student participation, which is still dominated by conventional teaching methods. A correlational quantitative approach was used, with a population consisting of all 20 third-grade students, who were also taken as the sample through total sampling technique. Data were collected using a questionnaire to measure learning engagement and observation of the implementation of the word-building game model. The Shapiro-Wilk test was used for normality testing, and since one of the variables was not normally distributed, the data were analyzed using the Spearman correlation test. The results showed a correlation coefficient of r = -0.097 with a significance value of 0.686 (> 0.05), indicating no significant relationship between the word-building game model and student engagement. Other factors such as individual learning styles or classroom atmosphere may influence student engagement. Nonetheless, this model still holds potential and should be further developed to align with elementary students' characteristics.

Pneumonia detection from chest X-ray images is widely used in computer-aided diagnostic systems. However, effective clinical decision support requires not only accurate classification performance but also consideration of unequal error costs, since false negative predictions may lead to more severe consequences than false positives. In addition, prediction probabilities must be well calibrated to support threshold-based medical decisions such as triage and patient escalation. This research investigates asymmetric misclassification costs and probability calibration for binary classification (PNEUMONIA vs. NORMAL) using the Hugging Face dataset hf-vision/chest-xray-pneumonia. The proposed framework utilizes a ResNet-18 architecture integrated with cost-sensitive learning through weighted cross-entropy loss (FN:FP = 5:1), threshold optimization based on validation data to reduce expected cost, and post-hoc temperature scaling for improving probability calibration. Experimental results on the independent test set indicate that the cost-sensitive approach enhances specificity and decreases expected cost compared to the conventional cross-entropy baseline. Furthermore, temperature scaling improves the reliability of probabilistic predictions, as demonstrated by better negative log-likelihood and Brier score values. The study also explores selective prediction strategies to balance prediction coverage and risk reduction, complemented by Grad-CAM visualizations and structured failure-case analysis for qualitative assessment. Overall, the findings demonstrate that incorporating cost-aware decision thresholds and calibrated probability estimates can serve as lightweight yet effective enhancements for chest X-ray classification systems in clinical decision-support applications.

This study investigates the impact of tail configuration variations on flight stability and battery energy efficiency in Unmanned Aerial Vehicles (UAVs). Three distinct tail types were tested: the conventional tail, the T-Tail, and the V-Tail. The objective was to compare how these tail designs affected the overall performance of UAVs, especially focusing on the balance between stability and energy efficiency. The experiments were conducted through a series of flight tests in a controlled outdoor environment, providing reliable and accurate data. During these flight tests, several performance metrics were recorded, including IMU-based angular deviations for pitch, roll, and yaw, energy consumption, flight time, voltage, and battery power. The data collected allowed for a thorough analysis of how the tail design influenced the flight characteristics of the UAVs. The results showed that the T-Tail configuration provided the highest flight stability, as indicated by the smallest angular deviations and minimal vibration during flight. This design’s enhanced stability made it the most reliable, especially for missions requiring precision control. In contrast, the V-Tail configuration proved to be the most energy-efficient, consuming only 22.80 Wh. Despite its low energy consumption, the V-Tail showed the lowest stability due to control coupling between the pitch and yaw axes, resulting in higher angular deviations and less precise control. The conventional tail, while not the best in terms of either stability or energy efficiency, struck a reasonable balance between the two. This configuration provided adequate stability while ensuring efficient battery usage, making it a suitable choice for general UAV applications. The findings of this study highlight the direct influence of tail design on UAV performance. There is a clear trade-off between flight stability and energy efficiency, with the conventional tail offering the best compromise.

The industrial revolution 4.0 has begun to develop in aquaculture activities by utilizing the internet of things (IoT) in the last decade. The increase in intensive shrimp farming on Bangka Island in recent years is still conventional witfar from the use of digital and internet-based technology, especially vaname shrimp farming, including the Bio Ebi Micro Pokdakan in Air Mawar Village. This activity aims to design a water quality monitoring system that can be used in vaname shrimp aquaculture ponds. The main components in designing a remote-based pond water quality monitoring system consist of sensors, processing, data transmission, data storage and display. The activity has started with the design of a water quality monitoring tool in October - November 2022 in the Instrumentation and Acoustics Section of the Marine Science Laboratory at Bangka Belitung University which is then used by partners to monitor water quality conditions in shrimp ponds at Pokdakan Mikro Bio Ebi partners

This study aims to analyze the effectiveness of mathematics learning implementation at SMK Negeri 6 Padang, reviewed from three main stages: preliminary activities, core activities, and closing activities. The method used is a combination of qualitative and quantitative approaches. Data collection techniques include participatory observation, in-depth interviews with teachers and students, as well as documentation. The research instruments consist of observation guidelines, interview guidelines, and questionnaires. The results of the study indicate that during the preliminary stage, teachers have conducted apperception but have not yet optimally implemented diagnostic assessments. The core activities are still dominated by conventional methods without the integration of contextual approaches or educational technology. The closing activities fully reflect in-depth reflection and are accompanied by adequate follow-up learning.Overall, the effectiveness of mathematics learning implementation at SMK Negeri 6 Padang is 77.77% in grade X and 77.77% in grade XI, which falls into the effective category. It is necessary to develop innovative learning strategies, utilize technology-based learning media, and enhance student engagement to make the learning process more active, meaningful, and aligned with the needs of vocational education.

Tourism plays an important role in the economic growth of Bengkalis District, but limited access to hotel and lodging information poses challenges for travelers. This study develops a mobile application to simplify accommodation searches with a feature that finds the nearest route using the A* algorithm. The algorithm calculates the optimal route based on selected transportation options, such as walking, motorbike, or car, making travel more efficient. Testing results show that the A* algorithm provides more accurate routes compared to conventional methods, with an average response time of 4.9 seconds and 95% accuracy, compared to Google Maps, which has a response time of 6.2 seconds and 90% accuracy. This app also provides information about hotel facilities, prices, and contact details, helping travelers choose accommodations. With this application, travelers can quickly find accommodations, while hotel managers gain increased visibility. This research supports Bengkalis' tourism sector with a technology-based solution that facilitates information access and trip planning. Future updates may include booking and payment features to enhance the app's functionality.

Micro, Small, and Medium Enterprises (MSMEs) are the backbone of the Indonesian economy which have a strategic role in national economic development. In the context of the traditional culinary industry, pempek as one of Palembang's typical foods has great economic potential. This traditional food has become a superior commodity that is not only popular in its area of ​​origin, but has also spread to various regions in Indonesia. In this Real Work Lecture (KKN), the activity began with field observation methods, in-depth interviews, and FGD (Focus Group Discussion) aimed at discussing the concept of developing promotional media and business identity together with business owners in order to identify the main problems faced, especially in terms of promotional media and business identity. The main problem faced is the limitations in marketing and branding aspects, especially in terms of effective promotional media such as banners, TikTok content, business cards and strong business identities such as business plaques and websites. Through the right approach, it aims to increase business visibility, expand market reach, and ultimately increase sales turnover. The mentoring program has succeeded in increasing the managerial capabilities of MSME owners in managing modern marketing aspects. Training in the use of digital platforms such as Instagram, Tiktok and WhatsApp Business has equipped business actors with practical skills in creating attractive visual content and strategic publication scheduling. changing the business approach from being conventional to being more professional and systematic.