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Technological advancements, particularly in microcontrollers and the Internet of Things (IoT), have brought significant changes to various aspects of life. Microcontrollers such as the ESP32, DS18B20 sensor, water pH sensor, and other supporting sensors enable the development of efficient automation systems. This research addresses issues related to the design and development of IoT devices for water quality monitoring, as well as the integration of these devices with web-based systems. The objective is to develop a device capable of monitoring water quality parameters such as pH, temperature, turbidity, dissolved materials, salinity projection, and dissolved oxygen projection, while providing automatic notifications under certain conditions. The development process applies the Agile methodology, which allows for rapid and adaptive iterations. Theoretically, this study contributes to improving understanding of IoT implementation and information systems, while practically, it provides a technological solution to support Koi fish farmers in monitoring and managing pond water quality. The expected outcome is a web-based water quality monitoring and management device for Koi ponds that can deliver real-time information and condition notifications, thereby reducing aquaculture risks and improving productivity.

The low level of students’ understanding of religious practices and Islamic values in daily life poses a significant challenge in teaching Islamic Religious Education (PAI). In the topic of “Hajj and Umrah” for Grade IX students at SMP PGRI Bencoy, Cireunghas District, Sukabumi, the learning process plays a vital role in shaping Islamic character and instilling noble morals. This subject not only emphasizes theoretical knowledge but also promotes a deeper understanding of the procedures for performing Hajj and Umrah in accordance with Islamic law. This study aims to critically analyze the learning objectives, content, methods, evaluation, references, and teaching materials used by teachers in the instructional process. A qualitative approach was employed, with data collected through classroom observations, interviews with teachers and students, as well as an analysis of learning documents. The findings reveal that PAI instruction on the topic of Hajj and Umrah is aligned with the basic competencies and curriculum requirements. However, shortcomings remain in the relevance of the material to real-life contexts, the limited use of technological media, and the less-than-optimal assessment of affective and psychomotor domains. Strengthening students’ understanding of Islamic teachings in their daily lives is essential for developing a holistic Islamic personality. Overall, while the teaching materials are relatively appropriate, further development is needed to make them more applicable, contextual, and impactful in enhancing students’ comprehension and practice of Islamic teachings in everyday life.

The Ar-Royyan Islamic boarding school is a multi-level Islamic educational institution with a focus on preparing graduates who are ready to synergize with the society. To attain this objective, it is imperative to have educational personnel well-versed in the field of information technology. One strategic approach involves training Ustadz and prospective Ustadz through digital learning innovations. Open Broadcast Software (OBS) emerges as an innovative choice for crafting learning materials because it supports various media sources and offers user-friendly settings. Participants can combine video recordings, video from cameras, text, images, sound, and so on the types of input received. The resulting output manifests in the form of the videos available in common formats such as MKV, MOV, FLV, MP4, and MPEG-TS. Evaluation was conducted using a pre-test and post-test, consisting of a response questionnaire and Likert scale. The results indicate an enhanced understanding of OBS among participants, employed in the creation of digital learning media. The majority of participants responded positively to the conducted activities. Several elements that need attention in promoting the use of OBS for learning media creation include color selection, motivational delivery, and effective word choice. Combining OBS with other editing applications can yield unique variations of learning media, incorporating elements such as images, sound, video, and other supported media editing applications

Counseling on Clean and Healthy Living Behavior (PHBS) in schools is an important step in instilling the habit of maintaining personal hygiene from an early age. This Real Work Lecture program is carried out with the aim of increasing students' understanding and awareness of the importance of PHBS, especially through the habit of washing hands with soap and brushing their teeth in the right way. The activity took place at the Sait Buttu Saribu Village Development Private Junior High School, Pamatang Sidamanik District, Simalungun Regency, using counseling, demonstration, and direct practice methods. This program involved six students, two acted as presenters and four others as companions, as well as all grade IX students as participants. In addition to providing materials and practices, this activity also encourages active participation of students through question and answer sessions and discussions on the importance of maintaining personal health and the surrounding environment. With direct involvement, students not only understand theory, but are also able to apply clean and healthy behaviors in daily life. The results of the activity showed that students were able to re-practice the material given, including the stages of washing hands and brushing their teeth correctly. It is hoped that through this activity, students can implement PHBS in a sustainable manner at school and at home, as well as become an example in encouraging a healthy living culture in the surrounding environment. This program is also expected to make a positive contribution to improving the quality of public health in general through healthy living habits from school age.

This research focuses on the synthesis and characterization of the double salt copper(II) ammonium sulfate hexahydrate, Cu(NH4)2(SO4)2·6H2O. The study aims to obtain the compound in crystalline form and evaluate its properties through yield calculation, solubility testing, and Fourier Transform Infrared (FTIR) spectroscopy. The synthesis involved reacting copper(II) sulfate pentahydrate (CuSO4·5H2O) with ammonium sulfate ((NH4)2SO4) under controlled conditions, followed by crystallization. The process produced 10.84 grams of crystalline Cu(NH4)2(SO4)2·6H2O with an 86.23% yield, indicating efficient synthesis. Solubility tests showed that the crystals were polar, soluble in polar solvents like water and hydrochloric acid (HCl), partially soluble in ammonium hydroxide (NH4OH), and insoluble in less polar solvents like ethanol and chloroform (CHCl3). FTIR analysis confirmed the presence of functional groups such as O–H, N–H, and S–O stretching vibrations, supporting the proposed molecular structure. The findings demonstrate that Cu(NH4)2(SO4)2·6H2O can be efficiently synthesized, and its physicochemical properties align with theoretical expectations. This study contributes to the understanding of double salt synthesis and characterization, relevant for inorganic chemistry, material science, and potential applications in catalysis and coordination chemistry.

Bullying remains a serious problem in primary education because it affects children’s psychosocial development, academic performance, and mental health. This community service program focused on educational efforts to prevent bullying at SDN Pamoyanan, Padamaju Village, Pagelaran Sub-district, Cianjur Regency. The aim of this activity was to increase students’ understanding of the definition, forms, impacts, and prevention strategies of bullying, as well as to foster collective awareness in creating a safe and inclusive learning environment. The method applied was a participatory research approach that involved teachers and students in every stage, from planning, implementation, to evaluation. Activities were carried out through observation, discussion, material presentation, simulation, and reflection. The results showed a significant increase in students’ knowledge, where before the intervention most of them did not understand the concept of bullying, but after the program, the majority were able to identify its forms and prevention steps. In addition, the program successfully built positive interactions and encouraged students to be more courageous in sharing their experiences and perspectives regarding bullying. Overall, the findings indicate that participatory-based education is effective in strengthening students’ understanding while fostering more empathetic and collaborative social attitudes. This activity is expected to continue sustainably by involving teachers, parents, and the wider community to strengthen bullying prevention efforts in primary schools.

This research is motivated by the importance of using appropriate and correct Indonesian in digital learning media, especially texts exposed oxn the “Ruangguru” platform. The purpose of this study is to identify the types of language errors contained in the exposition text and to show the causal factors that will later be used as reading material on the internet. The quality of appropriate exposition text will affect the critical ability of its readers. The research method uses a qualitative descriptive approach with the Listen and Note Technique. Data analysis uses the distribution method with the Direct Elements Technique. The results of the study show that punctuation, word choice, and word additions, with word choice errors being the most dominant. This error is caused by a lack of understanding of Indonesian rules and the influence of the use of everyday language. The benefits of improving the quality of digital education materials and increasing awareness of the importance of using Indonesian in accordance with the rules of the world of education.

This community service initiative was carried out with the aim of introducing and training students of SMP Islam Sawahan Turen in programming and utilizing Arduino and ESP32 microcontrollers as a foundation for understanding modern technology. The workshop was specifically designed to provide students with knowledge of basic electronic concepts, sensors, and data communication, while also equipping them with practical skills to create simple microcontroller-based projects. During the sessions, participants received explanations about Arduino and ESP32, including how to connect sensors, process collected data, and transmit information to the Internet of Things (IoT) platform. In addition to the theoretical materials delivered, students were given opportunities to engage in direct practice under the guidance of experienced instructors, allowing them to gain a deeper comprehension of how the devices function. The combination of theory and practice helped students strengthen both their conceptual understanding and their technical abilities. Furthermore, the activity aimed to foster creativity and curiosity among participants in designing innovative projects that have real-life applications. This spirit of exploration is expected to nurture problem-solving skills, adaptability, and technological awareness from an early age. Beyond simply broadening students’ technological insights, the program also contributes to the enhancement of their competencies and preparedness in facing challenges of the digital era, ensuring that they can continue to grow as innovative learners and future innovators.

 National insight is an important foundation in the character development of Indonesia's young generation, especially in facing the challenges of globalization, digitalization, and changing values ​​among adolescents. This Community Service (PKM) activity aims to strengthen national insight for new students of SMAN 46 Jakarta through a contextual approach relevant to the conditions of today's youth. The contextual approach was chosen because it can help students understand the material by connecting the knowledge learned with their daily experiences, so that the learning process becomes more meaningful, easier to understand, and less abstract (Aminah et al., 2022; Parhan & Sukaenah, 2020). The methods used in this program include interactive counseling, group discussions, and reflections supported by audiovisual media close to students' daily lives, such as short videos, digital illustrations, and case simulations. This activity was held on July 14–16, 2025, as part of the School Environment Introduction Period (MPLS) and was attended by 450 new students in grade X. The results of the activity showed a significant increase in students' understanding of the concept of national insight from a practical and contextual perspective, with a focus on the values ​​of empathy, solidarity, mutual cooperation, anti-bullying, and positive creativity. Furthermore, this program succeeded in changing the paradigm of students from an understanding of national insight that initially tended to be normative and abstract to being more applicable in everyday life. This proves that strengthening national insight through a contextual approach can be an effective strategy in forming a young generation that is characterful, adaptive, and has social awareness.

This study aims to examine the implementation of the cooperative learning model Think Pair Share (TPS) in improving students’ learning outcomes in Arabic language learning at Pesantren Paqusatta, as well as to identify the supporting and inhibiting factors in its application. This research employs a qualitative descriptive method and is categorized as field research. Data were collected through observation, interviews, and document studies using a descriptive technique. The findings reveal that the implementation of the Think Pair Share model in Arabic language learning is effective in enhancing students’ learning outcomes and engagement. Students became more active and confident through the three main stages of the Think Pair Share model: first, providing a question or problem for students to think about individually (think); second, asking them to discuss in pairs (pair) to share answers and refine their understanding; and third, selecting several pairs to present their discussion results in front of the class (share), followed by correction and feedback. The supporting factors include providing opportunities for students to think independently, encouraging peer discussion, presenting ideas in front of the class, fostering collaboration among students, accelerating comprehension of learning materials, and helping improve Arabic speaking skills. Meanwhile, the inhibiting factors consist of limited vocabulary, difficulties in constructing sentences, students’ shyness or lack of confidence and fear of making mistakes when speaking, the need for more time in discussion and presentation, and limited facilities.

This community service program was implemented to overcome the limited technical capacity of teachers and students at SMK Negeri Jambu in mastering the installation and programming of battery-based electric vehicles, which is a crucial skill in preparing competent human resources for the rapidly evolving green vehicle industry. The program specifically aimed to enhance participants’ knowledge and skills in several key areas, including the installation of electric motor control systems, management of battery energy, and maintenance of essential electric vehicle components. To achieve these goals, the activities were carried out using a blended method that integrated lectures, demonstrations, and direct hands-on practice, supported by continuous mentoring and systematic evaluation. In addition, QR Code–based learning resources were incorporated to provide participants with quick and efficient access to digital instructional materials, allowing for more flexible and independent learning. The evaluation results revealed significant progress in both the theoretical understanding and practical abilities of the participants. They were able to demonstrate improvements not only in operating and maintaining electric vehicle systems but also in identifying problems and performing troubleshooting independently. These findings suggest that the program effectively contributed to building sustainable competencies for teachers and students, equipping them with relevant skills aligned with the needs of the green automotive industry, while also promoting technological adaptation and innovation in vocational education.

Quality education is the key to improving skills and knowledge for students. However, there are still many challenges faced in improving the quality of education, especially at the primary level. Collaborative Madrasah Ibtidaiyah Lecturers and Teachers in book writing can be one of the strategies to improve the quality of Education. This research aims to be active through collaboration in writing Madrasah Science Competition books between Tarbiyatut Tholabah Islamic Institute Lecturers and Madrasah Ibtidaiyah 02 Mazro'atul Ulum teachers. The results of the service showed an increase in the quality of lecturers and teachers in presenting learning and academic materials in order to provide excellent service for students, especially Madrasah Science Competition participants. And the most important thing is the creation of a collaborative book masterpiece entitled Madrasah Science Competition which contains a summary of material from science, social studies, mathematics, Arabic English and religious sciences such as Fiqh, Aqidah, Islamic Culture History and the presentation of sample questions and discussions. Moreover, the project has had a positive impact on the educators involved. It has allowed them to deepen their understanding of the subjects and improve their ability to present complex concepts in an accessible way. The collaborative nature of the project has fostered a supportive learning community, where educators learn from one another's expertise and experiences. The resulting Madrasah Science Competition book is not only a valuable educational resource but also a testament to the power of collaboration in enhancing the quality of education.

Personal hygiene and nutritional balance are very important for everyone to know, including children during their most critical growth period, to know. This Community Service Lecture (KKN) activity aims to increase the knowledge and awareness of students at Public Elementary School 101848, Kuala Lau Bekeri Village, Kutalimbaru District, regarding the prevention of malnutrition and self hygiene through educational counseling. The method used was a descriptive method with a qualitative approach, implemented through interactive lectures, presentation media, and question and answer sessions. The number of participants were 90 students from grades I to VI. And with the teachers support in maintaining regularity and reinforcing the educational presentation about the counseling material included the definition of nutrition and malnutrition, signs, causes, healthy eating patterns, and clean and healthy living behaviors. The results of the activity showed high enthusiasm from the participants in participating in the counseling and their ability to name examples of healthy foods and the importance of a healthy lifestyle. This counseling successfully increased participants' understanding of the importance of balanced nutrition and healthy living behaviors that play a role in supporting the optimal growth and development of school-age children. The involvement of teachers and schools greatly supported the success of this activity. It is hoped that this counseling can form positive habits in maintaining students' nutrition and health in a sustainable manner.

This study was conducted to develop an edutainment-based learning media product and to assess its feasibility in terms of validity, practicality, and effectiveness with a focus on understanding mathematical concepts and fostering self-directed learning in social arithmetic topics. The research employed a development approach using the ADDIE model, which consists of Analysis, Design, Development, Implementation, and Evaluation. The instruments used included validation sheets completed by experts, practicality questionnaires filled out by teachers and students, mathematical concept comprehension tests, and self-directed learning questionnaires. Research subjects consisted of two groups: a small-scale trial with 10 seventh-grade students and a large-scale trial with 32 students. The findings revealed that the edutainment learning media developed was appropriate for use, fulfilling all three aspects of feasibility. The validity score for media was 142 out of 230 (medium category), while the material validation reached 110 out of 135 (high category). Practicality assessments showed very high results, with teachers assigning a score of 175 out of 172 indicators and students achieving an average score of 156.8, which placed the media in the very high category. Effectiveness was demonstrated by improved mathematical concept comprehension, where the pretest average of 75.24 increased to 84.38 in the posttest, meeting the minimum high category. Similarly, the self-directed learning questionnaire showed improvement, with average scores rising from 99.97 to 102.91, and the percentage of students attaining very high posttest results increased to 90.63%.

This study aims to explore the implementation of the Resource-Based Learning (RBL) model in enhancing the critical thinking skills of tenth-grade students in Islamic Religious Education (PAI) at SMA Negeri 1 Sangatta Selatan. It also examines the factors that support or hinder the use of the RBL model among these students. A qualitative approach was used, with field research as the research type. Data sources included both primary and secondary materials. Informants consisted of Islamic Religious Education teachers and tenth-grade students. Data collection methods involved observation, interviews, and document analysis, and the data were analyzed descriptively. The findings reveal that the RBL model enables students to analyze information critically, engage more actively and reflectively with the material, enhance their logical thinking, deepen understanding, and develop the ability to find and evaluate appropriate solutions. Supporting factors for the model’s success include the availability of diverse learning resources, engaging teaching methods, teacher support as facilitators, and effective group collaboration and discussion. On the other hand, limited active participation from some students was identified as a barrier. Overall, the application of the RBL model significantly improved students’ critical thinking skills compared to traditional teaching methods. This was evidenced by an increase in the average critical thinking test scores in the experimental group. Therefore, the RBL model proves to be an effective alternative strategy for enhancing both the quality and outcomes of Islamic Religious Education at the high school level. Moreover, students showed greater engagement, improved collaboration skills, and increased independence in accessing and utilizing learning materials. These results highlight the effectiveness of the RBL model in fostering critical thinking and meaningful learning experiences in PAI subjects.

The rapid development of technology has greatly assisted human work in various fields, including education. One tangible outcome of technological progress is the availability of Microsoft Office applications, which consist of Microsoft Word, Microsoft Excel, and Microsoft PowerPoint. Microsoft Word functions as a word processing software that allows users to create, edit, and format documents, while Microsoft Excel is used for managing numbers and data, and PowerPoint plays an important role in preparing engaging presentations. However, the teachers at SD Masehi Kadu Eta are not yet able to operate Microsoft Word, Excel, and PowerPoint optimally, as the school has never conducted any specific training. Therefore, this community service program focused on providing training on how to utilize Microsoft Office for teachers at SD Masehi Kadu Eta. The training aimed to improve teachers’ knowledge and skills in using information technology, particularly in operating Microsoft Word, Excel, and PowerPoint. Through this program, teachers gained not only new experiences but also basic skills that can support their daily tasks, such as preparing school administration documents, creating reports, and developing more systematic teaching materials. The results of the program showed that the training provided significant benefits. Teachers demonstrated strong enthusiasm, actively participated in every session, and showed improvement in their understanding of Microsoft Office applications. They also expressed their expectations for similar activities to be carried out regularly so that their skills could continue to improve and better equip them to face the ongoing development of information and communication technology in the future.

The comprehensive field of Islamic education encompasses not only all levels of schooling but also includes religion, ethics, history, law, and the Quran and Hadith. As part of Islamic religious education (PAI), students are taught to live in harmony with Allah, themselves, other humans, all living things, and the natural world, embodying the concept of Hablun Minallah wa Hablun Minannas. The main objective is to shape students' belief, understanding, and practice of Islamic teachings through planned learning activities, training, and guidance. Islamic religious education is an endeavor by educators to shape students' beliefs and practices via structured instruction, training, and guidance. This study explores the features of Islamic education resources across various educational levels, examining the types of instruction designed to identify these materials and evaluate their pros and cons. The study discovered that Islamic Religious Education (PAI) materials from different grade levels and educational types exhibit distinct characteristics. These differences include variations in content, weight, depth, as well as psychological, philosophical, sociological, and technological aspects. Understanding the characteristics of PAI materials at various educational levels is crucial for developing more effective, relevant curricula and teaching methods tailored to students' developmental needs. The findings of this study are also intended to serve as a reference for educators when developing PAI learning materials suitable for students' educational and developmental levels.

The community service activity conducted in Toapaya Selatan aimed to introduce an innovative planting and fertilizer applicator tool based on PVC pipes as an appropriate technology. This program was motivated by the persistence of manual farming practices that require excessive labor, time, and costs, while often resulting in uneven fertilizer distribution that reduces crop productivity. The implementation method adopted a participatory approach, consisting of preparation, counseling, demonstrations, field practice, and evaluation involving local farmers. Training sessions included hands-on practice to ensure that participants not only understood the theoretical aspects but also acquired practical skills in using and assembling the tool. The results indicate that the application of the pipe-based tool improved labor efficiency, reduced fertilization time, and enhanced the uniformity of fertilizer distribution on plantation land. These improvements were directly reflected in better crop maintenance and more sustainable use of resources. Farmers’ high enthusiasm and active participation demonstrated the success of this simple yet impactful technology transfer. Nevertheless, several challenges were encountered, including limited technical understanding among some participants, difficulties in replicating the tool independently, and restricted availability of tool-making materials in the local market. Overall, this innovation has the potential to contribute significantly to increasing local agricultural productivity. Further training, continuous mentoring, and institutional as well as financial support from the village government are strongly recommended to ensure the sustainability, scalability, and long-term adoption of this appropriate technology.

The comprehensive field of Islamic education encompasses not only all levels of schooling but also includes religion, ethics, history, law, and the Quran and Hadith. As part of Islamic religious education (PAI), students are taught to live in harmony with Allah, themselves, other humans, all living things, and the natural world, embodying the concept of Hablun Minallah wa Hablun Minannas. The main objective is to shape students' belief, understanding, and practice of Islamic teachings through planned learning activities, training, and guidance. Islamic religious education is an endeavor by educators to shape students' beliefs and practices via structured instruction, training, and guidance. This study explores the features of Islamic education resources across various educational levels, examining the types of instruction designed to identify these materials and evaluate their pros and cons. The study discovered that Islamic Religious Education (PAI) materials from different grade levels and educational types exhibit distinct characteristics. These differences include variations in content, weight, depth, as well as psychological, philosophical, sociological, and technological aspects. Understanding the characteristics of PAI materials at various educational levels is crucial for developing more effective, relevant curricula and teaching methods tailored to students' developmental needs. The findings of this study are also intended to serve as a reference for educators when developing PAI learning materials suitable for students' educational and developmental levels.

The community service program carried out at Stella Matutina Salatiga Junior High School aims to strengthen environmental awareness while supporting the implementation of sustainable education through the manufacture of biopesticides made from eco enzymes. This activity is based on students' low understanding of the impact of the use of synthetic chemical pesticides on health and the environment. Therefore, the program is designed for students to gain hands-on experience in processing organic waste into eco enzymes and using it as the main ingredient of environmentally friendly biopesticides. The implementation method includes socialization on the importance of protecting the environment, introduction to natural biopesticides, training in making biopesticides with simple techniques, and intensive assistance to teachers and students. The evaluation process was carried out through an interactive quiz using the Kahoot application to measure participants' understanding. In addition, the follow-up of the program includes the preparation of materials, creative workshops, the development of interactive modules, teacher training, classroom implementation, and exhibitions of student works. The results of the program showed that the training was effective, as evidenced by the application of biopesticides in school parks and the increase in student knowledge, namely from a pre-test score of 53% to 59% in the post-test. These findings confirm that the application of eco enzymes is not only beneficial in reducing the use of chemical pesticides, but also able to foster students' environmental awareness and practical skills. In the future, this program has the potential to be replicated in other schools as a project-based learning model that is applicable and sustainable.