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Daun kelor (Moringa oleifera) merupakan tanaman lokal yang kaya protein, vitamin, dan mineral, serta berpotensi mendukung pemenuhan gizi anak apabila diolah dalam bentuk yang lebih diterima. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk memberdayakan masyarakat melalui inovasi pemanfaatan daun kelor (Moringa oleifera) berbasis data empiris masyarakat sebagai permen pendukung gizi anak. Kegiatan dilaksanakan di Desa Tinelo, Kabupaten Bone Bolango, Provinsi Gorontalo, dengan sasaran ibu yang memiliki anak usia 5–12 tahun. Tahap awal dilakukan pengumpulan data empiris melalui wawancara semi-terstruktur untuk mengidentifikasi pola pemanfaatan daun kelor dan tingkat penerimaan anak. Selanjutnya dilakukan kegiatan edukasi mengenai manfaat gizi daun kelor serta pendampingan pembuatan permen herbal kelor sebagai inovasi pengolahan pangan berbasis kearifan lokal. Evaluasi kegiatan dilakukan secara deskriptif dengan membandingkan kondisi pra dan pasca kegiatan terhadap perubahan pengetahuan, sikap, dan penerimaan masyarakat. Hasil kegiatan menunjukkan adanya peningkatan pemahaman ibu terhadap manfaat gizi daun kelor, dukungan terhadap inovasi pengolahan, penerimaan anak terhadap konsumsi kelor, partisipasi aktif masyarakat, serta minat untuk mengolah daun kelor secara mandiri. Kegiatan ini menunjukkan bahwa pendekatan pemberdayaan berbasis data empiris dan inovasi pangan lokal efektif dalam meningkatkan pemanfaatan daun kelor sebagai pendukung gizi anak.

The high volume of fishery waste often poses an environmental burden if not managed appropriately. Conversely, the circular economy concept offers sustainable solutions aligned with Maqasid Shariah principles in environmental preservation (Hifz al-Alam). This study aims to educate and implement the processing of fish waste into high-quality animal feed that meets halal standards (halalan thayyiban). This research employs a qualitative approach using the Asset-Based Community Development (ABCD) method. The stages include socializing the concept of Sharia circular economy, technical training on waste processing, and nutritional content testing of the feed. The findings indicate an 80% increase in community understanding regarding the economic value of waste. Technically, the fish waste processing successfully produced an alternative animal feed with high protein content, free from najis (impurity) through a purification process according to Islamic jurisprudence (fiqh). This education proves that the integration of circular economy and Sharia principles not only reduces environmental impact but also creates sustainable economic added value for local communities.

The high volume of fishery waste often poses an environmental burden if not managed appropriately. Conversely, the circular economy concept offers sustainable solutions aligned with Maqasid Shariah principles in environmental preservation (Hifz al-Alam). This study aims to educate and implement the processing of fish waste into high-quality animal feed that meets halal standards (halalan thayyiban). This research employs a qualitative approach using the Asset-Based Community Development (ABCD) method. The stages include socializing the concept of Sharia circular economy, technical training on waste processing, and nutritional content testing of the feed. The findings indicate an 80% increase in community understanding regarding the economic value of waste. Technically, the fish waste processing successfully produced an alternative animal feed with high protein content, free from najis (impurity) through a purification process according to Islamic jurisprudence (fiqh). This education proves that the integration of circular economy and Sharia principles not only reduces environmental impact but also creates sustainable economic added value for local communities.

Perkembangan ilmu pengetahuan dan teknologi yang pesat di Indonesia telah mendorong pertumbuhan industri secara signifikan. Meskipun memberikan dampak positif terhadap peningkatan perekonomian masyarakat, pertumbuhan industri juga menimbulkan dampak negatif apabila tidak diiringi dengan pengelolaan lingkungan yang baik, seperti pencemaran dan kerusakan lingkungan hidup. Salah satu solusi yang dapat diterapkan dalam mengurangi dampak tersebut adalah pengelolaan limbah cair melalui sistem Instalasi Pengolahan Air Limbah (IPAL). PT. X, sebagai perusahaan BUMN, turut berkontribusi dalam pengelolaan lingkungan melalui penerapan IPAL. Fokus IPAL di PT. X meliputi perencanaan dan rekayasa instalasi, audit dan inspeksi sistem air, serta monitoring dan pengujian kualitas limbah, khususnya limbah domestik. Limbah domestik, yang berasal dari aktivitas rumah tangga seperti air bekas mandi, mencuci, dan dapur, diolah melalui metode IPAL agar dapat dimanfaatkan kembali untuk keperluan non-konsumsi, seperti penyiraman tanaman dan irigasi. Pengolahan ini menjadi langkah strategis dalam mendukung pembangunan industri yang ramah lingkungan dan berkelanjutan.

Perkembangan ilmu pengetahuan dan teknologi yang pesat di Indonesia telah mendorong pertumbuhan industri secara signifikan. Meskipun memberikan dampak positif terhadap peningkatan perekonomian masyarakat, pertumbuhan industri juga menimbulkan dampak negatif apabila tidak diiringi dengan pengelolaan lingkungan yang baik, seperti pencemaran dan kerusakan lingkungan hidup. Salah satu solusi yang dapat diterapkan dalam mengurangi dampak tersebut adalah pengelolaan limbah cair melalui sistem Instalasi Pengolahan Air Limbah (IPAL). PT. X, sebagai perusahaan BUMN, turut berkontribusi dalam pengelolaan lingkungan melalui penerapan IPAL. Fokus IPAL di PT. X meliputi perencanaan dan rekayasa instalasi, audit dan inspeksi sistem air, serta monitoring dan pengujian kualitas limbah, khususnya limbah domestik. Limbah domestik, yang berasal dari aktivitas rumah tangga seperti air bekas mandi, mencuci, dan dapur, diolah melalui metode IPAL agar dapat dimanfaatkan kembali untuk keperluan non-konsumsi, seperti penyiraman tanaman dan irigasi. Pengolahan ini menjadi langkah strategis dalam mendukung pembangunan industri yang ramah lingkungan dan berkelanjutan.

The flash floods that struck Aceh Tamiang caused infrastructure damage and contaminated clean water sources, making it difficult for residents to obtain potable water. This situation increases the risk of water-borne diseases and worsens the post-disaster situation. This research aims to develop a large-scale, simple water filtration prototype as an emergency response solution that is effective, economical, and easy to implement by affected communities. The methods used include field observation, water sampling, testing simple physical parameters (turbidity, color, odor, and pH), and designing a gravity-based, multi-stage filtration system without electricity. The prototype uses a combination of filter media such as gravel, silica sand, activated charcoal, and natural fibers in a drum system. Test results show a decrease in turbidity levels from 150–300 NTU to 5–15 NTU after the filtration process, as well as an increase in pH to near neutral. The filtered water is declared suitable for sanitation and consumption after undergoing a further disinfection process. In addition to implementing the technology, this research also includes public education regarding the selection of safe water sources and maintenance of the filtration system. Based on these results, this large-scale simple water filtration prototype is effective as an appropriate technological solution in handling the post-disaster clean water crisis and has the potential to be replicated in other flood-prone areas.

Communication is an essential human right, yet a significant communication gap persists between individuals with sensory disabilities, specifically the deaf and speech-impaired, and the general public. While many technological solutions have been proposed to translate sign language, existing models primarily rely on heavy deep learning architectures such as Convolutional Neural Networks (CNN) or Recurrent Neural Networks (RNN/LSTM). These models often demand high computational power, leading to latency and limiting real-time application on standard devices. This study proposes a lightweight, fast, and highly responsive sign language translation system specifically designed to recognize static alphabets (A-Z) and single-character air writing. The system utilizes MediaPipe for hand tracking, where feature extraction is intelligently processed by calculating the relative spatial coordinates of fingertips to the wrist, reducing dependency on raw camera coordinates. Classification is performed using a Support Vector Machine (SVM) with a Radial Basis Function (RBF) kernel, prioritizing computational efficiency without sacrificing accuracy. To enhance user experience, the system introduces three key novelties: smart relative feature extraction, an anti-duplication hold system with a 1-second timer to prevent input spamming, and a non-blocking multithreaded audio execution (Daemon Thread) utilizing Google Text-to-Speech (gTTS), ensuring the webcam feed remains fluid during audio playback. Additionally, an alternative air-writing mode is integrated, utilizing geometric heuristics and PyTesseract OCR to read single drawn letters in the air. The results indicate that the proposed system operates swiftly and efficiently, bridging the communication barrier with a hardware-friendly approach.

The rapid digital transformation in educational institutions demands an efficient student grade data processing system capable of handling workloads responsively. This study aims to analyze and compare the efficiency of sorting algorithms (Merge Sort and Quick Sort) and searching algorithms (Linear Search and Binary Search) on a web-based platform. The research method employed is laboratory experimental, testing algorithm performance across various data volume stratifications, ranging from 50 to 1000 entities, using the V8 JavaScript engine. Research findings indicate that Quick Sort possesses superior speed compared to Merge Sort due to its efficient in-place sorting architecture, which minimizes memory overhead and Garbage Collection activity. Furthermore, a performance anomaly was discovered where the Just-In-Time (JIT) Compiler mechanism optimizes execution on large data volumes through a warm-up phase. In the searching aspect, Binary Search demonstrates superior O(log n) logarithmic stability compared to Linear Search, which risks causing interface freezing on massive data. The implication of this study is the critical importance of implementing data pre-sorting protocols to exploit logarithmic search speeds to ensure academic information system scalability. The integration of appropriate algorithms proves to be a crucial foundation in maintaining web application responsiveness amidst the ever-increasing escalation of educational data.

The amalgamation and flotation methods are widely used by miners because the methods are simple, fast and easy. The purpose of this study was aims to test the effectiveness of gold recovery using the amalgamation and flotation methods in conventional gold processing. The research methods used were observation and testing using the amalgamation and flotation methods in conventional gold processing. The effectiveness analysis was carried out by calculating the percentage of gold produced in the amalgamation and flotation processing methods. The test was carried out on 10 samples, each weighing 10 kg. The amalgamation process used a Hg solution, while flotation used a detergent reagent. The total primary gold processing using the amalgamation method was 11.46 grams, while the total primary gold recovery using the flotation method was 12.15 grams. The results of gold processing using the flotation method were higher than those using amalgamation because flotation can separate gold more efficiently from ore containing various impurity minerals. Meanwhile, the amalgamation method, which uses mercury, tends to be less effective and loses some of the gold because it only binds very fine and dispersed gold particles, while flotation can handle ore with lower gold content and larger gold particles.

The problem of household waste in Kalanganyar Village, Sedati District, Sidoarjo Regency, is increasing along with population growth, while residents' knowledge about waste sorting is still minimal and processing facilities are limited. This community service program aims to increase awareness and cleanliving behavior through education and mentoring on household waste processing based on the 3R concept (Reduce, Reuse, Recycle). This activity adopts an Asset-Based Community Development (ABCD) approach that focuses on mapping and utilizing local potential, such as health cadres, youth organizations, the spirit of mutual cooperation, and the availability of potential land. The implementation methods include appreciative inquiry, focus group discussions (FGDs), in-depth interviews with the Head of the Sopo Nyongko TPS and community leaders, participatory observation, and practical mentoring for housewives, youth organizations, and TPS managers on February 9. The results of the activity showed an increase in residents' understanding of PHBS and waste management, indicated by the enthusiasm of participants during the educational session. The program also successfully activated local agents of change: youth groups began implementing inorganic waste recycling, and health cadres designed a home-based waste sorting system.

The microbiological quality of clean water in Dusun Kepuhan has not met regulatory standards, posing potential health risks to the community. Laboratory examination identified Escherichia coli at 21 CFU/100 mL and total coliform bacteria at 180 CFU/100 mL, exceeding the permissible limits established by the Indonesian Ministry of Health Regulation No. 2 of 2023. This community service program was conducted to enhance residents’ knowledge and practical skills in managing clean water through the application of a chlorine diffuser as a simple and practical disinfection method. The implementation process included problem identification, coordination with the local PAMSIMAS management, educational sessions, and hands-on demonstrations of diffuser preparation and use. Program effectiveness was evaluated using pre-test and post-test assessments involving 30 participants. The findings indicated a statistically significant improvement in participants knowledge following the training. The chlorine diffuser approach was considered appropriate for the community setting due to its ease of use, affordability, and gradual chlorine release mechanism. Continuous monitoring and sustained community commitment are necessary to ensure long-term implementation of safe water disinfection practices.

Improper water management in rice cultivation can lead to water stress, which reduces productivity. Conventional monitoring has limitations on large-scale lands, necessitating more efficient remote sensing technologies. This study aims to develop a water stress identification system for rice plants in the late vegetative phase using multispectral drone imagery integrated with an Artificial neural network (ANN). The research method employs an experimental approach with six water availability levels in Karyamukti Village, Sumedang. Field reference data were obtained through soil moisture sensors converted into Available Water (AW) values. Image processing stages included orthomosaic reconstruction, leaf object segmentation, and transformation of vegetation indices (NDVI, NDRE, GNDVI, etc.) as model inputs. The results show that the ANN model with a four-hidden-layer architecture achieved training and validation accuracies of 94–95%. In the independent testing phase, the model produced an accuracy of 94.60% with an F1-Score of 93.33%. Spatial visualization of the prediction results indicates a consistent water condition distribution across rice plots. In conclusion, the integration of multispectral drones and ANN provides an accurate non-destructive solution for spatial monitoring of water availability in rice plants.

Indramayu mango is a seasonal fruit that is highly favored due to its delicious taste and high nutritional content. However, high mango production is often not supported by adequate post-harvest facilities, particularly in terms of fruit ripeness classification. Currently, mango ripeness classification is still performed manually, which tends to be subjective and inconsistent. To address this issue, this study proposes a ripeness detection system for Indramayu mangoes by integrating the TGS2602 gas sensor and the YOLOv11 algorithm based on image processing. The TGS2602 sensor is used to detect ethylene gas emitted by ripe mangoes, while YOLOv11 is employed for visual image analysis of the fruit. This study aims to evaluate the system’s performance in classifying ripe and unripe mangoes, as well as analyze the integration between the gas sensor and the object detection model. The test results show that the TGS2602 sensor can detect increased ethylene gas concentration in ripe mangoes, while YOLOv11 demonstrates high accuracy in detecting mangoes based on visual images, with precision and recall close to 1.0. The system was also tested under various lighting conditions, including dark environments, and still performed well, although with a slight decrease in accuracy under low-light conditions.

Pyrolysis is a biomass conversion method into fuel through heating at high temperatures under oxygen-limited conditions. The main factors influencing the pyrolysis process include temperature, residence time, pressure, particle size, reactor design, and the type of pyrolysis employed. This study aims to design an auger-type fast pyrolysis system based on previous research. The design and modeling of the fast pyrolysis equipment were carried out using Autodesk Inventor 2021 software. Based on the calculation and design results, a fast pyrolysis reactor with a multi-stage configuration and a capacity of 5.2 kg was developed. The system consists of a three-stage reactor made of Stainless Steel 304. The reactor is equipped with a screw conveyor for material transport, which is driven by an electric motor. Biomass heating inside the reactor is provided by a clamp heater with an electrical power requirement of 611 W, while biomass cooling is performed using a condenser with a cooling water capacity of 15.586 liters. Based on the structural simulation results, the maximum von Mises stress obtained was 35.4 MPa, the maximum displacement was 0.0528 mm, and the safety factor was 6.07 under loading conditions including an internal reactor pressure of 0.32 MPa, a torsional moment of 1,130 kg·mm, and an operating temperature of 700 °C. These values are within the allowable limits of the material, indicating that the designed reactor is structurally safe and feasible for use.

Donorojo Village, Pacitan Regency, East Java, has significant agricultural potential, particularly in spice commodities. However, the utilization of spices by local farmers remains limited to the sale of raw materials in traditional markets at relatively low prices and with restricted market reach. In fact, spices have high economic value and strong potential to be developed into value-added products, such as herbal beverages. This community service activity aimed to enhance the knowledge and skills of the PKK women’s group in Donorojo Village in processing spice-based “biofarmaka” as an effort to empower the local economy and strengthen the spice value chain. The methods employed included lectures, demonstrations, and hands-on practice, conducted over five days at the Donorojo Village Hall and involving 20 participants. The products generated from this activity included “jahe gajah beverage”, “instan jahe merah”, “instan beras kencur”, and “instan kunir asem”. The results indicated an improvement in participants  understanding of the health benefits of spices, hygienic processing stages, and their ability to produce instant herbal beverage products. Furthermore, this activity has the potential to strengthen linkages between spice farmers as raw material suppliers and the PKK group as processing actors. The development of spice-based “biofarmaka” provides economic value addition, expands market opportunities, and encourages the growth of rural entrepreneurship. Therefore, spice-based “biofarmaka” processing training can serve as a strategy for rural agro-industry development that supports the improvement of economic stability in Donorojo Village.

Population growth and changing consumption patterns have led to a continuous increase in waste generation, with household organic waste being the dominant component in Bantul Regency. Low levels of public knowledge and awareness regarding waste management are also contributing factors. One environmentally friendly alternative for organic waste management is the use of Black Soldier Fly (BSF) larvae, which have high bioconversion capabilities. This community service activity aims to increase the knowledge of housewives in managing household organic waste using BSF maggots. The activity was carried out in RT 01, Mojosari Hamlet, Baturetno Village, Banguntapan District, Bantul Regency, involving 20 participants. The implementation method included a site survey, material delivery, an introduction to the life cycle and benefits of BSF maggots, an explanation of waste sorting, maggot feeding, and post-activity observations. However, limitations in maggot maintenance techniques persisted, requiring ongoing mentoring. This activity contributes to reducing waste generation at its source and supports sustainable household waste management based on community participation.

Population growth and changing consumption patterns have led to a continuous increase in waste generation, with household organic waste being the dominant component in Bantul Regency. Low levels of public knowledge and awareness regarding waste management are also contributing factors. One environmentally friendly alternative for organic waste management is the use of Black Soldier Fly (BSF) larvae, which have high bioconversion capabilities. This community service activity aims to increase the knowledge of housewives in managing household organic waste using BSF maggots. The activity was carried out in RT 01, Mojosari Hamlet, Baturetno Village, Banguntapan District, Bantul Regency, involving 20 participants. The implementation method included a site survey, material delivery, an introduction to the life cycle and benefits of BSF maggots, an explanation of waste sorting, maggot feeding, and post-activity observations. However, limitations in maggot maintenance techniques persisted, requiring ongoing mentoring. This activity contributes to reducing waste generation at its source and supports sustainable household waste management based on community participation.

The main problem in Longko Village is the low utilization of coconut husk waste due to limited community knowledge and processing skills, resulting in the waste being discarded or burned without economic value. This Community Service Program aimed to empower the community through innovative processing of coconut husk into environmentally friendly and marketable broom products. The program employed a participatory approach consisting of observation, socialization, technical training, mentoring, and evaluation, involving six participants from farming households and housewives. Evaluation was conducted by assessing participants’ skills and the quality of the products produced. The results showed a significant improvement in participants’ technical competencies, as indicated by an increase in knowledge from 30% to 90% and practical skills from 25% to 80%. Most participants were able to independently produce at least one coconut husk broom with acceptable functional quality. Furthermore, the program enhanced participants’ understanding of the economic potential of coconut husk and created opportunities for sustainable household-based enterprises utilizing local resources.

The global reliance on wheat flour has prompted the food industry to seek sustainable local substitutes. Sweet potato (Ipomoea batatas L.) emerges as a potential candidate due to its substantial starch content and beneficial bioactive compounds. This study explores innovations in sweet potato flour processing, emphasizing physical, chemical, and enzymatic modifications to enhance its functional properties. The research methods include hydrothermal treatments and fermentation (Modified Sweet Potato Flour/MOSPEF) and their impact on dough rheology and glycemic response. The findings indicate that modified sweet potato flour can effectively replace wheat flour by 30-50% in bakery items and up to 100% in gluten-free formulations without significantly altering sensory traits. This innovation represents a strategic step toward national food sovereignty and improved nutritional quality in the modern food industry, healthier and more nutritious. The use of modified sweet potato flour is expected to strengthen food security and provide economic benefits for local farmers and the domestic food industry.

Pertumbuhan kawasan industri sebagai dampak urbanisasi turut mendorong peningkatan aktivitas ekonomi di Indonesia. Kawasan Industri Candi di Kota Semarang menjadi salah satu contohnya, namun belum sepenuhnya ditunjang oleh infrastruktur yang memadai. Penelitian ini bertujuan mengevaluasi tingkat kepuasan dan prioritas pemenuhan infrastruktur berdasarkan persepsi pekerja. Penelitian menggunakan pendekatan kuantitatif melalui survei terhadap 100 pekerja dari 111 perusahaan, dengan teknik multi-stage random sampling. Analisis data dilakukan menggunakan metode Customer Satisfaction Index dan Importance Performance Analysis. Hasil menunjukkan bahwa dari total infrastruktur yang dianalisis, sebelas telah memenuhi standar, empat cukup memenuhi, dan satu belum memenuhi pedoman teknis kawasan industri. Tingkat kepuasan pekerja terhadap ketersediaan dan kondisi infrastruktur mencapai 72% (kategori puas), sedangkan tingkat kesesuaian antara kepentingan dan kepuasan sebesar 99%. Meski demikian, lima infrastruktur jaringan jalan, jaringan air bersih, sistem pengolahan sampah, unit pemadam kebakaran, dan sarana Kesehatan masih memerlukan pemenuhan atau perbaikan segera. Temuan ini menjadi dasar rekomendasi bagi pengelola dan pemerintah untuk memprioritaskan pemenuhan infrastruktur, guna mendukung keberlangsungan industri dan kesejahteraan pekerja secara optimal.