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The DH Building of the Electrical Engineering Study Program at Udayana University faces significant challenges in energy efficiency, as it still relies on conventional electrical systems. User negligence, such as forgetting to switch off lights and air conditioners (AC) after use, often results in unnecessary energy waste and increased operational costs. This issue highlights the urgent need for smart solutions capable of automating energy management, reducing waste caused by human error, and supporting the creation of a more efficient and sustainable campus environment. To address this problem, this study designs and implements a smart building system based on the Internet of Things (IoT). The system employs a NodeMCU ESP32 microcontroller as the main processing unit, integrated with a series of sensors including a DHT22 sensor for monitoring temperature and humidity, an MQ2 sensor for smoke detection, a PIR sensor for motion detection, and a PZEM-004T sensor for monitoring energy consumption. Control of electronic devices such as lights and AC units is carried out both automatically and manually through relay modules connected to the system. All sensor data and control functions are accessed via a web interface developed using the Laravel framework and a MySQL database. The testing results indicate that the designed system was successfully implemented and functions as expected. Sensor testing demonstrated high accuracy compared to standard measuring instruments, while the electronic device control system achieved an average response time of approximately 3.6 seconds, proving its reliability. Overall, the system provides a comprehensive solution for energy consumption monitoring and control, while also enhancing comfort and safety in the DH Building, in line with the goals of energy efficiency and facility modernization.

Extreme poverty remains a major challenge in rural areas of Indonesia, including Nagori Bandar Manik, Pamatang Sidamanik District, Simalungun Regency. The 2025 UINSU Community Service Program (KKN) was carried out to empower local communities through various activities covering economic, educational, religious, social-environmental, and health aspects. This program employed a qualitative approach by involving active community participation in needs assessment, socialization, training, and evaluation. In the economic aspect, workshops on dishwashing liquid and herbal pesticide production were implemented as alternative household businesses. The educational sector included religious moderation through a short movie screening Mabbere, anti-bullying campaigns, ecoprint totebag training, and teaching at kindergarten, elementary, and junior high school levels. In the religious field, activities included Qur’an learning after Maghrib with children and Yasin recitals for both men and women. The social-environmental aspect was realized through community clean-up, educational boards on waste decomposition, distribution of garbage bins, and environmental awareness campaigns. Meanwhile, the health aspect focused on education about clean and healthy living behaviors, stunting prevention campaigns, and community exercise. The findings revealed improvements in entrepreneurial skills, children’s literacy, spiritual values, environmental awareness, and healthy lifestyles. The implication highlights that multidimensional community empowerment can serve as an effective strategy to reduce extreme poverty and promote sustainable village development.  

The problem of waste in rural areas is still a serious issue that has an impact on environmental health and the quality of life of the community. Batu Licin Village, Gunung Lengkuas Village, East Bintan District, Bintan Regency is one of the areas that faces similar problems, where household waste is still scattered and has not been handled optimally. This community service activity offers innovative solutions through the manufacture of rocket stoves as a means of efficiently burning certain organic and inorganic waste, as well as the construction of garbage booths as a place to store and sort waste before further processing. The implementation method involves counseling to residents, making prototypes, and direct practice of using rocket stoves and garbage booths by local communities. In addition, this activity also emphasizes the importance of changing community behavior in managing waste with the 3R (reduce, reuse, recycle) principle. The results of the activity show an increase in public awareness in managing waste independently, reducing the accumulation of waste in the village environment, and the emergence of alternative waste processing that is environmentally friendly, energy-efficient, and easy to apply. This innovation not only helps overcome the problem of household waste, but also provides educational value and empowers the community in maintaining the cleanliness and sustainability of the village environment. With the implementation of rocket stoves and garbage booths, it is hoped that a cleaner, healthier, and more viable village environment will be created in the long term.

Kampuang Minang Nagari Sumpur Tourism Village in South Batipuh District, Tanah Datar Regency, West Sumatra, is a cultural and natural tourism destination with the uniqueness of the gadang house that still functions as a residence, preserved Minangkabau traditions, and natural beauty such as Lake Singkarak. However, there is a gap between the expectations and reality of the tourist experience that visitors feel. This shows that even though the potential and attraction of tourism is huge, there are still weaknesses in destination management that can affect visitor perception and satisfaction. In addition, until now there have not been many studies that specifically examine the perception and experience of tourists in Kampuang Minang Nagari Tourism Village in Sumpur, even though visitor perception greatly determines the image, loyalty, and sustainability of tourist destinations. This study uses a quantitative descriptive approach with data collection techniques in the form of observations, questionnaires, and interviews with visitors. The data analysis technique uses a descriptive quantitative approach with the one score one indicator method based on the Likert Scale to identify visitors' perceptions of aspects of accessibility, facilities, tourist attractions, services, environmental conservation, and personal satisfaction and experience during travel. The results of the research are expected to provide a comprehensive overview as the basis for developing an effective and sustainable tourism village management strategy.

The increasing number of students in major cities such as Medan has created an urgent need for temporary housing that is adequate, comfortable, and sustainable. In response, the Indonesian government, through the Ministry of Public Works and Public Housing (PUPR), launched the "One Thousand Towers Program," which includes the development of rental apartment buildings (Rusunawa) for students. However, housing provision must go beyond quantity—it must also consider environmental aspects and the quality of life for its occupants. Therefore, a green architecture approach serves as the foundation for the design of environmentally friendly student housing. This project aims to create a vertical residential facility that not only fulfills the basic function of shelter but also supports learning activities, social interaction, energy efficiency, and environmental sustainability. The design applies key principles of green architecture such as natural lighting, cross ventilation, the use of eco-friendly materials, and the integration of green open spaces. In addition to double-room residential units, the building is equipped with supporting facilities such as study areas, a library, cafeteria, and rooftop garden. The design methodology integrates both primary and secondary data analysis, as well as a comprehensive site study covering climate, noise levels, circulation, and building orientation. The building form concept is developed modularly and efficiently through mass transformation, resulting in an inner court that provides natural light and air. Supported by energy-saving utilities, this design is expected to offer a student housing solution that is not only functional and aesthetic but also contributes to sustainable and high-quality urban development.

This study aims to explore the synergy between the teaching of Islamic creed and ethics (akidah akhlak) and the madrasa environment in shaping students’ honesty at MTsN 5 Bantul. The background of this research lies in the importance of honesty as a fundamental value in Islamic education, which is not only transmitted through classroom instruction but also cultivated through the school’s culture. This research employed a qualitative case study approach. Data were collected through observation, in-depth interviews with Islamic creed and ethics teachers, the principal, and eighth-grade students, as well as documentation of school programs. The findings reveal that the teaching of akidah akhlak serves as a normative foundation in instilling honesty values through lessons on shidiq, prophetic stories, real-life case discussions, and student reflections. The madrasa environment functions as a medium for habituating honesty through a religious culture, discipline, teacher role models, and everyday social interactions. In addition, character development programs such as Qur’anic recitation, morning prayers, and the Smile, Greeting, and Salutation (3S) movement further reinforce the internalization of honesty in a sustainable manner. The synergy between classroom learning, the school environment, and structured programs proves to be the key to successfully cultivating honesty, as students gain not only cognitive understanding but also affective experiences and practical application in daily school life. This study concludes that honesty-based character education must be carried out holistically by integrating akidah akhlak instruction with the madrasa culture. The findings are expected to serve as a reference for other madrasas in developing effective strategies for character education. Future research is recommended to conduct comparative studies across different madrasas or to explore other moral values such as trustworthiness, responsibility, and justice to provide a more comprehensive understanding of character education in Islamic contexts.

This study explores the transformative role of youth empowerment through green economy initiatives, specifically focusing on the management of a waste bank in Kedungsekar Village, Indonesia. Facing mounting environmental challenges such as waste accumulation and pollution, the local community sought sustainable solutions by integrating environmental, social, and economic dimensions. The involvement of youth, characterized by creativity, digital skills, and strong social networks, has been pivotal in driving this transformation. The waste bank functions as a social innovation that not only addresses waste management issues but also generates economic opportunities through circular economy practices. By actively participating in waste segregation, collection, and sale, youth have acquired operational and financial skills, enabling them to become entrepreneurs and community leaders. This initiative has shifted youth from passive recipients to active agents of change, fostering community awareness and environmental responsibility. Employing qualitative case study methods, including interviews, observations, and document analysis, this research highlights how integrated efforts rooted in environmental sustainability and community participation can catalyze socio-economic growth. The theoretical framework draws on the concepts of green economy, youth empowerment, and social innovation, illustrating how these pillars are interconnected in fostering sustainable development. Findings reveal that the green economy approach, facilitated by youth engagement, enhances local resilience, creates employment, and promotes environmental conservation. This case exemplifies the potential of grassroots initiatives in achieving sustainable transformation at the village level, serving as a model for other rural communities facing similar environmental and socio-economic issues. The study underscores the importance of empowering youth as key drivers in the transition towards sustainable and inclusive development.

This community service initiative aims to apply biopore infiltration hole technology as a community-based flood mitigation solution in Labuhan Ratu District, Bandar Lampung City. This area faces major problems in the form of a high risk of waterlogging caused by low soil absorption, predominance of watertight surfaces, and suboptimal drainage systems. The program is carried out with a project-based community empowerment approach, where as many as 50 local residents are involved in each stage of the activity. These stages include environmental awareness campaigns, technical training on making biopore infiltration holes, providing equipment, and direct practice in the field. A total of 100 strategic points in the Dasawisma Palapa 6 environment are the locations for the implementation of biopores. The results of the activity show that this simple technology effectively improves the soil's ability to absorb water and reduce surface runoff, so that the risk of inundation can be reduced. In addition, this activity also encourages the formation of community groups that are tasked with maintaining biopores, in order to ensure the sustainability of long-term benefits. This program not only has a positive impact on the quality of the physical environment, but also strengthens the capacity of citizens to manage natural resources based on appropriate technology. The active participation of the community has proven to be the key to success, as it creates a sense of belonging while increasing ecological awareness at the local level. These findings confirm that the integration of simple technological innovations and community empowerment is an effective strategy in building sustainable environmental solutions, especially in the face of urban flood challenges.

This article examines the role of students of the Real Work Lecture (KKN) of the State Islamic University of North Sumatra in Stabat Lama Village in supporting community development through an integrative approach that covers three main areas, namely religious moderation, stunting prevention, and extreme poverty alleviation. The religious moderation program is carried out through Maghrib Mengaji, Gebyar Islami, and interfaith dialogue, which has been proven to strengthen tolerance and social harmony in the community. The stunting prevention program is realized through the provision of supplemental food (PMT) based on local ingredients, which is able to improve the nutritional status of toddlers while preventing the risk of new stunting. Furthermore, the community economic empowerment program is carried out through ecoprint training with eco pounding techniques that produce works of selling value and open up opportunities for environment-based businesses. The results of the activities show that the three programs complement each other and contribute to improving health, economic independence, and socio-religious harmony. The real impact of the implementation of this program is not only felt in the short term, but also provides the foundation for the development of a more independent and sustainable society. Through the active involvement of students, KKN activities succeeded in connecting academic theory with real practice in the field, so that it was able to provide contextual solutions to village problems. The empowerment carried out also emphasizes inclusive community participation, especially vulnerable groups such as housewives and toddlers, so as to provide more equitable benefits. Thus, KKN in Stabat Lama Village represents a holistic, sustainable, and relevant service model to the achievement of the Sustainable Development Goals (SDGs).

This community service program was designed to empower the women’s group PKK RT 01 RW 08 in Tembalang, Semarang, through education and innovation in processing used cooking oil into eco-friendly floor cleaner. Household cooking oil waste, commonly known as “jelantah,” is often discarded and contributes to environmental pollution, while in fact it can be reused as a valuable resource. The program aimed not only to provide technical skills but also to increase environmental awareness and promote sustainable household practices. The implementation took place over three months (June–August 2025) using a participatory approach that included socialization, training, mentoring, and evaluation. During the activities, participants were introduced to the principles of green chemistry, practiced step-by-step floor cleaner production, and learned packaging and digital marketing techniques. As a result, the group successfully produced 65 bottles of “Lely Eco Floor” cleaner (260% of the initial target), distributed them for household use, and established an environmental movement group named “Lely Bersih Lestari.” Pre- and post-test scores indicated significant improvement in participants’ knowledge and skills. The program brought multiple impacts: reducing oil waste pollution, enhancing social cohesion, and opening opportunities for micro-scale entrepreneurship. Overall, this activity demonstrates how simple technology and community engagement can support sustainable development and women’s empowerment at the grassroots level.

Bulu Village, Sugihwaras District, Bojonegoro Regency, is an agricultural village with abundant natural resource potential, including tobacco. However, community agricultural practices still rely heavily on the use of chemical pesticides, which are relatively expensive and carry the risk of negative impacts on human health and environmental sustainability. This situation prompted the implementation of a community service program in the form of training in the manufacture of natural pesticides from jadam sulfur and tobacco leaves using the Asset-Based Community Development (ABCD) approach. This approach was chosen because it focuses on exploring and optimizing local assets, both in the form of natural materials and community social skills. The training activities were attended by farmer groups and youth organizations (Karang Taruna), which play a crucial role in the program's sustainability. The training materials included theories on the dangers of chemical pesticides, the advantages of natural pesticides, and hands-on practice in making pesticides from jadam sulfur and tobacco leaves. Evaluation of the activities was carried out through observation, interviews, and the distribution of questionnaires to participants. The evaluation results showed a significant increase in farmers' knowledge about environmentally friendly pesticides, skills in making natural pesticides, and growing awareness of the importance of sustainable agriculture. In addition, the involvement of Karang Taruna strengthens the sustainability of the program through regeneration and ongoing mentoring. Overall, this training demonstrated the effectiveness of the ABCD approach in optimizing local potential to produce more economical, healthy, and environmentally friendly agricultural innovations. Thus, this program not only supports increased agricultural productivity but also contributes to the broader well-being of rural communities.

This study aims to analyze the influence of workload, work discipline, and the work environment on employee performance at the Tarokan District Office. Employee performance is a crucial element in achieving organizational objectives, as human resources are considered the most valuable asset of an institution. Workload, work discipline, and the work environment are three interrelated factors that often determine whether employees can achieve optimal performance levels. This research employs a quantitative approach with data collected through questionnaires distributed to employees of the Tarokan District Office. The analysis was conducted to examine both partial and simultaneous effects of the three variables on employee performance. The findings reveal that workload partially has a significant effect on employee performance, indicating that a balanced workload improves effectiveness while excessive workload may hinder output. Similarly, work discipline partially demonstrates a significant effect, highlighting the role of adherence to rules and punctuality in enhancing performance outcomes. The work environment also partially exerts a significant effect, suggesting that supportive facilities, comfortable conditions, and positive interpersonal relationships contribute to higher productivity. Furthermore, the results show that workload, work discipline, and work environment simultaneously have a significant effect on employee performance. These findings provide important implications for organizational leaders in designing policies that ensure sustainable performance improvements.

The management of household waste remains a major challenge in society, especially in densely populated rural and urban areas. The practice of open burning of waste is still often carried out because it is considered quick and practical, despite its negative impacts on health and the environment. The smoke from burning can trigger respiratory diseases, reduce air quality, and accelerate global warming. In light of this issue, the 2025 KKN-T 23 UMSIDA students initiated a community service program by introducing an innovation in the form of an environmentally friendly waste bin that can reduce the practice of waste burning. This waste bin is designed with a system for separating organic and inorganic waste and special ventilation that accelerates the natural decomposition process. Through a participatory approach, students involve the community in the planning, creation, and testing of the innovative trash bins. The results of the activities show an increase in community awareness in sorting waste, a decrease in the habit of burning waste, and an improvement in the quality of the surrounding environment. This program has also successfully fostered collaboration between students, village officials, and residents in creating a greener and healthier environment. This trash bin innovation is hoped to be a sustainable model that can be implemented in various areas as a simple yet effective solution for community-based waste management.

Plastic waste remains a pressing issue in Bakung Village, Teluk Betung Barat Subdistrict, Bandar Lampung City, as it affects public health, reduces environmental aesthetics, and triggers flooding due to poor waste management systems. In response, the 2025 Integrated Community Service Program (KKN) of UIN Raden Intan Lampung, through Group 98, applied the ecobrick method as a community-based alternative for managing plastic waste. This study adopted an appropriate technology approach with descriptive qualitative methods, namely observation, interviews, and documentation, to analyze field conditions and evaluate program outcomes. The results demonstrated the successful construction of a ±1-meter monument spelling “Bakung,” which incorporated more than 350 used plastic bottles as ecobricks. Beyond beautifying the environment and serving as a landmark, the monument inspired local residents to participate actively in sorting waste and making ecobricks. Community involvement was particularly visible during material collection and production stages, reflecting the effectiveness of a participatory approach. Additionally, this activity had an educational impact by showing that plastic waste can be transformed into useful and aesthetically valuable products. Although limited time and energy became major challenges, these were addressed through continuous mentoring. Overall, the program proved that ecobricks offer a practical and innovative solution for reducing plastic waste and contribute to achieving Sustainable Development Goals (SDGs) 11 and 12.

The management of domestic wastewater remains a major challenge in rural areas, including in Central Tapanuli Regency. Limited community participation, low access to environmental information, and weak institutional support are key factors hindering sustainable sanitation efforts. This study aims to identify and analyze the factors influencing community roles in environmentally friendly wastewater management and to formulate empowerment strategies that align with local characteristics. This research uses a Mixed Methods approach, combining a descriptive quantitative method with multiple linear regression analysis to assess the influence of variable X1 (Knowledge), X2 (Access to Information), and X3 (Institutional Support) on variable Y (Community Role). Quantitative data were collected from 175 respondents using a closed-ended questionnaire, while qualitative data were obtained through in-depth interviews and field observations in four villages: Sipeapea, Pandan, Tapian Nauli, and Hutabalang. The results show that all three independent variables have a positive influence on enhancing community roles, with institutional support being the most dominant factor. In addition, qualitative interviews revealed a gap in practical knowledge and a need for stronger cross-sectoral communication. These findings indicate that optimizing community involvement strongly depends on continued education, information transparency, and institutional synergy. This study recommends intervention strategies including community-based sanitation education, the establishment of village environmental information systems, and the integration of waste management programs into regional development planning. These findings are expected to serve as a foundation for more adaptive, contextual, and sustainable environmental policymaking in Central Tapanuli.

Used cooking oil is a household waste that may pollute the environment and harm human health if disposed of or reused improperly. This community service program aimed to provide a waste management solution while enhancing the community’s economic skills through training on producing aromatherapy candles from used cooking oil. The implementation method included awareness sessions on the hazards of used cooking oil, technical training using a learning by doing approach, and assistance in production and marketing. A total of 30 participants from the Family Welfare Movement (PKK) took part in the program. The results indicated improved knowledge and skills, the production of approximately 50 aromatherapy candles with lavender, rose, and vanilla scents, and the establishment of a community group committed to continuing independent production. The program contributed positively to the environment by reducing around 15 liters of waste oil per month and created new entrepreneurial opportunities for residents. Therefore, this initiative can serve as a sustainable community empowerment model based on circular economy principles.

The RUFSA Program (Rusa untuk Fertilizer Sustainable Agriculture) is an innovative initiative that transforms Timor deer (Rusa timorensis) manure waste from a conservation breeding site in Cakura Village, South Sulawesi, into organic biofertilizer. The program, implemented by PT Pertamina Patra Niaga Integrated Terminal Makassar in collaboration with the local community, aims to reduce manure waste, support wildlife conservation, and provide environmentally friendly fertilizer for sustainable agriculture. The method involves collecting deer manure directly inside the enclosure, mixing it with water and EM4 activator, and regularly stirring to ensure sufficient oxygen supply during a 7–14 day aerobic fermentation process. This approach not only reduces organic waste and minimizes unpleasant odor but also decreases the risk of disease transmission. The resulting biofertilizer is applied to cultivate odot grass (Pennisetum purpureum cv. Mott), small trees, and ornamental plants such as bougainvillea (Bougainvillea sp.), demonstrating practical benefits for local agriculture. Economically, the program contributes to an annual saving of IDR 3,240,000 by reducing the dependency on chemical fertilizers. Beyond its economic outcomes, RUFSA also strengthens community participation in environmental management and raises awareness of the importance of sustainable practices. Furthermore, the program aligns with the Sustainable Development Goals (SDGs), particularly those related to food security, economic growth, responsible consumption and production, and terrestrial ecosystem conservation. Overall, the RUFSA Program exemplifies an integrative approach that combines conservation, waste management, and community empowerment to promote environmentally responsible and sustainable agricultural development.

Community Service Program (Kuliah Kerja Nyata/KKN) is a compulsory activity for university students as a form of community engagement and application of academic knowledge in real life. One of the work programs carried out was the education and cultivation of Family Medicinal Plants (Tanaman Obat Keluarga/TOGA), which aimed to improve the knowledge and practical skills of the community in Telaga Sam Sam Village, Kandis District, in cultivating and utilizing TOGA. Family medicinal plants have long been known to possess great potential as an alternative treatment for common illnesses such as fever, cough, stomachache, and skin itching, making them highly relevant to daily community health needs.The program was implemented through counseling sessions, interactive discussions, training, and hands-on practice of planting TOGA in the residents’ yards. The community actively participated in recognizing, cultivating, and maintaining various types of medicinal plants such as ginger, turmeric, galangal, lemongrass, and betel leaf. In addition to enhancing understanding, this activity encouraged households to practice simple herbal preparation techniques for family use.The results of the program showed a significant increase in community awareness regarding the importance of utilizing TOGA as a primary step in maintaining family health, while also contributing to the creation of a greener, cleaner, and healthier living environment. Furthermore, the activity not only improved community knowledge but also strengthened independence and self-reliance in utilizing local resources to support sustainable health practices.

The Community Service Program (KKN) is a tangible form of student service to the community through the application of knowledge in the field. Nagacipta Village, Serang Baru Subdistrict, Bekasi Regency, was chosen as the location for the KKN because it has considerable potential for community economic development, particularly through the Micro, Small, and Medium Enterprises (MSME) sector, and faces various challenges in the fields of education, social affairs, and culture. The objectives of this activity are to empower the community through education in schools, MSME assistance, and increased social awareness in order to support sustainable village development. The implementation method used is a qualitative descriptive approach with a participatory element (Participatory Action Research/PAR). The stages involved observation, interviews, group discussions with village officials, youth, and the community, work program preparation, implementation, and evaluation. The main programs implemented included anti-bullying and hygiene education in schools, simple digital marketing training for MSMEs, environmental health education, and support for community social and cultural activities. The results showed an increase in students' awareness of hygiene and mutual respect, the development of MSME actors' knowledge of digital promotion through social media, and increased community participation in social and cultural activities. Documentation of the activities also showed the active involvement of the community and the support of village officials. In conclusion, the KKN program in Nagacipta Village made a positive contribution to community empowerment and MSME development. This program is expected to be the first step in strengthening the village's economic independence and improving the quality of human resources. Recommendations are given for similar programs to continue with ongoing support from the village government, educational institutions, and the next KKN period.

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.