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Early childhood development has an important role in the development of an individual. In order for a child to have good development, it is necessary to carry out early detection of the child's growth and development with the aim of achieving optimization of a child's development. Data shows an increase in the prevalence of parents who do not regularly monitor their children's growth and development. Monitoring the growth and development of toddlers is carried out in conjunction with early detection of developmental disorders in toddlers so that intervention and simulation can provide optimal results. This community service activity aims to determine children's developmental growth and deviations that occur as well as providing education to parents, especially about the growth and development of pre-school children and the factors that support children's growth and development. The target of the activity is pre-school children and mothers/parents of Prima Bhakti Kindergarten students. The method used in the activity is the KPSP child growth and development detection instrument and to increase parents' knowledge about growth and development, it is carried out through counseling, question and answer discussions and demonstrations on how to stimulate children's growth and development. The results of early detection of growth assessment using the WHO curve showed that 95% had normal stature and normal nutrition and 5% were malnourished. Examination of children's development with the KPSP instrument was 100% developmentally appropriate. The education provided to parents shows that they are active participants in question and answer discussion activities and demonstrations of growth and development stimulation.

Diabetes is a serious chronic disease that occurs because the pancreas does not produce enough insulin (a hormone that regulates blood sugar or glucose), or when the body cannot effectively use the insulin it produces. WHO data shows that the incidence of non-communicable diseases in 2004 reached 48 , 30% is slightly higher than the incidence rate of infectious diseases, namely 47.50% [1]. According to the Ministry of Health in 2012 diabetes caused 1.5 million deaths. Some Indonesian people, this disease is better known as diabetes or blood sugar. This research was developed through secondary data processing from the Pima Indians Diabetes Dataset health database which was taken from the Kaggle dataset and can be accessed through https://www.kaggle.com/uciml/pima-indians-diabetes-database. Where the data itself consists of 768 records with several medical predictor variables (Pregnancies, Glucose, Blood Pressure, Skin Thickness, Insulin, BMI, Diabetes Pedigree Function, Age and Outcome). Then the data will be processed using the Particle Swarm Optimization (PSO) feature selection to increase the accuracy value and the Naive Bayes algorithm to determine the accuracy results of the diagnosis of diabetes. From the results of research that has been done for the accuracy of the classification algorithm Naive Bayes is 74.61%, while the accuracy of the classification algorithm with Particle Swarm Optimization is 77.34% with an accuracy difference of 2.73%. So it can be concluded that the application of the Particle Swarm Optimization technique is able to select attributes in the Naive Bayes Algorithm, and can produce a better level of diabetes diagnosis accuracy than using only the individual method, namely the Naive Bayes algorithm. Keywords: Diabetes, Particle Swarm Optimization, Naive Bayes Algorithm

Product distribution is a crucial element of the supply chain system that ensures the smooth flow of goods from producers to consumers at minimal cost and with high reliability. Distribution efficiency not only reduces operational costs but also improves customer satisfaction, market competitiveness, and business sustainability. In the context of Micro, Small, and Medium Enterprises (MSMEs), distribution efficiency becomes even more critical due to limited financial, human, and infrastructural resources. This study aims to analyze the product distribution efficiency of UMKM Kerupuk Jaya Pesona, located in Cinanggung Village, Serang Regency, Banten Province, by applying two classical transportation methods: the North West Corner (NWC) and Least Cost (LC) methods. Both methods were used to determine the allocation pattern that minimizes total transportation cost across three destination regions: Serang, Cilegon, and Pandeglang. The data include three couriers (as supply sources) and three market destinations (as demands), totaling 18,000 product units per distribution cycle. The results show that both NWC and LC methods yield the same total transportation cost of Rp 358,000,000, although their allocation patterns differ. This indicates that the supply–demand and cost structure of the UMKM’s logistics system is balanced. This research concludes that simple optimization methods such as NWC and LC can serve as practical decision-support tools for MSMEs without requiring complex computational models. The study also recommends the application of the Modified Distribution (MODI) method to verify the optimality of the solution and highlights the importance of logistics efficiency in strengthening MSME competitiveness in the digital era.

The World Health Organization (WHO) recommendation that mothers breastfeed for a minimum of 6 months has not been achieved, this is because the psychological condition of mothers after giving birth often experiences disturbances, which will affect breast milk production. This problem can occur due to the transition period to becoming a parent, the anxiety felt during post partum can be one of the factors influencing breast milk production. The aim of this service is to This service activity is carried out with the aim of providing information about psychological adaptation in breastfeeding mothers and how to carry out this psychological adaptation to achieve optimization of the role as a mother at the Jongaya Community Health Center. The number of participants in this service activity was 15 people which was held on July 28 2023 at the Jongaya Community Health Center using the lecture and question and answer method as well as the sharing method. The results of this activity show changes in behavior in the form of successful adaptation, especially in psychological changes during breastfeeding.  

BLDC motor applications used in various forms in instrumentation, robotics, household, and transportation. One application of transportation equipment used as a propeller of electric bicycle vehicles. The value of the bicycle vehicle adjusted to the speed set, the amount that has determined. The purpose used in this study is to improve the efficiency of the regulation of BLDC motors on electric bicycles. Indicators of increasing performance are increasingly steady-state errors, and transient response required. The method used in this research is to do mathematical modeling in the form of transfer and optimization function equations. The model used is the model with the structure of the transfer function, while the optimization method used in this study is the Ziegler-Nichols method and firefly algorithm. The firefly algorithm is used in this study to obtain optimal Kp, Ki, and Kd values. The results showed that the firefly algorithm achieved better performance compared to the Ziegler-Nichols method.

Pengabdian ini merupakan pengabdian lanjutan dari proses pengabdian sebelumnyam bahwa di Kelurahan Desa Gebang memiliki potensi untuk ditingkatkan UMKM makanan ringan.  Dengan adanya peningkatan UMKM di Kelurahan Gebang, akan dapat meningkatkan kesejahteraan masyarakat di lingkungannya. Akan tetapi dalam pemasaran produk UMKM masyarakat di Kelurahan Gebang belum diimbangi dengan adanya pemanfaatan alat tekhnologi, sehingga proses pemasaran belum optimal. Hal ini disebabkan karena rata-rata pelaku UMKM memiliki usia yang tidak muda lagi, sehingga perlu pendampingan yang lebih ekstra. Pada saat era milineal ini, semua disajikan secara praktis dan efisien yaitu dengan memanfaatkan tekhnologi informasi. Seperti pemasaran melalui akun facebook, Instagram, website, twitter dan lain-lain. Hal ini bertujuan bahwa dengan menggunakan tekhnologi informasi, semua informasi produk dapat tersampaikan secara luas, baik tingkat nasional maupun internasional. Permasalahan yang utama ketika UMKM tidak memanfaatkan tekhnologi informasi dengan baik adalah mereka hanya bisa menjual produknya secara lokal dan jenis-jenis produk yang dijual tidak tersampaikan secara luas. Dalam mensiatasi kompetensi bisnis di era digital diharapkan seluruh UMKM memahami dan menggunakan digital marketing dengan baik, agar mereka mampu bersaing dengan baik hingga mencapai keunggulan k;ompetitif lebih maksimal. Materi yang diberikan kepada UMKM di Kelurahan Desa Gebang adalah tujuh konsep pemasran ampuh dengan metode digital, diantaranya adalah Search Engine Optimization (SEO), Search Engine Marketing (SEM), Pembuatan Konten, Mobile Marketing, Email Marketing, Affiliate Marketing, Pemasaran Media SosialUMKM, Digital Marketing, Kelurahan Gebang