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Ships as an important means of transportation require the availability of good quality fresh water to meet the daily needs of the crew. Because the quality of fresh water that does not meet the standards can interfere with the activities of the crew. This research aims to build a water treatment system on board controlled by ATMEGA 2560 microcontroller. The system is equipped with turbidity sensor SEN0189, TDS sensor SEN0244, and PH sensor SEN0161 to monitor the freshwater quality. The process of working this tool by treating fresh water which then the parameters are detected by the PH sensor, TDS sensor, and turbidity sensor which then the detection results are displayed on the LCD monitor, and the buzzer and LED turn on when the condition of the fresh water parameters does not meet the standards. The methodology and design of this system will be carried out with experimental research methods where in this method at least one variable is manipulated to study the cause-and-effect relationship. The results of testing water treatment using ATMEGA 2560 show that the system can work optimally in treating fresh water. And the accuracy of the PH sensor, TDS sensor, and turbidity sensor is quite accurate with the difference in error with the comparison measuring instrument less than 5%.

Sea water pollution is an increasingly urgent global issue, caused by various factors such as industrial waste, household waste, and ship activities. One of the solutions needed to overcome this pollution is the development of a detection system that is able to monitor polluting substances quickly, accurately, and efficiently. This research aims to design and build a microcontroller-based seawater pollution detection system, which can identify various pollution parameters in real-time. This research uses the Research and Development (R&D) method to develop a system consisting of several main components, including a pH sensor, turbidity sensor, Arduino Uno, GPS module, Raspberry Pi 4, USB camera, LiPo battery, and step-down converter. Each component is tested individually before being integrated into the overall system. The results of testing in a real environment show that the system is able to detect seawater pollution parameters with high accuracy. However, there are some errors in data collection, especially in the camera sensor with a percentage error of 32%, turbidity sensor 20%, and pH sensor 24%. Further improvements and developments were made based on the evaluation results to enhance system performance. The resulting system is considered accurate, reliable and easy to use, making an important contribution to efforts to protect seawater quality and mitigate the negative impacts of pollution on the environment and human health.

Diabetes Mellitus is a metabolic disease that has hyperglycemia caused by abnormalities in insulin secretion, insulin performance, or both. DM will cause several complications, one of which is sensory neuropathy or damage to sensory nerve fibers which causes DM patients to experience decreased foot sensitivity. The number of DM sufferers at the Sangkrah Health Center in 2022 was 2,404 cases. To describe the results of the implementation before and after the application of diabetic foot exercises on foot sensitivity in patients with diabetes mellitus. This study used a descriptive design by observing foot sensitivity in 2 respondents, carried out in the morning for 1 week with 2 meetings each meeting 15 minutes. The instruments used were observation sheets, monofilament test tools, and newspapers. There was an increase in foot sensitivity scores after diabetic foot exercises were carried out for 2 days in 1 week each meeting 15 minutes to both respondents. The application of diabetic foot exercises can be useful for increasing foot sensitivity in both respondents with diabetes mellitus.

This research explores how the features of Apple's Keynote presentation influence the brand experience for the iPhone 15. The primary focus is on how the visual, narrative, and design elements in Keynote play a role in shaping consumers' sensations, feelings, thoughts, actions, and relationships with the brand. Using a qualitative approach, the study analyzes how sensory elements presented through animations and graphics enrich the consumer experience, and how touching narratives create a deep emotional connection. Additionally, the research evaluates how clear and engaging information delivery shapes consumer perceptions of the product, driving purchasing decisions and product recommendations. Interviews with key informants and consumers reveal that Keynote is effective in reinforcing brand loyalty and deepening emotional connections with consumers. A well-integrated presentation not only enhances consumer engagement but also strengthens their personal bond with the iPhone 15 brand. These findings offer valuable insights into how presentation features can be leveraged to create a positive and lasting brand experience.

In ship operations, the existence of a reliable emergency generator system is a critical factor to ensure continuity of electricity supply in emergency situations. Damage to the generator engine can cause significant disruption and even safety risks. To overcome this problem, a prototype monitoring, protection and rotation control system for emergency generator machines was developed using LoRa (Long Range) technology. This system is designed to monitor critical engine parameters, including speed, temperature and other operational conditions in real-time. Data collected from sensors is sent over a LoRa network that has wide coverage and low power consumption, enabling remote and continuous monitoring of Blynk's Internet of Think (IoT). This system is equipped with a protection algorithm that can detect anomalies and automatically activate corrective action or provide early warning to engineers and electricians. By implementing this prototype, it is hoped that it can reduce the risk of damage to the emergency generator engine and increase the reliability of the ship's electrical system, thereby supporting safer and more efficient operations.

The decline in water quality is a serious environmental issue, particularly in urban areas. This research aims to develop an Internet of Things (IoT)-based water quality monitoring system using ESP32, pH, TDS, and turbidity sensors. The system is designed to monitor water quality parameters in real-time and transmit data to a cloud platform for further analysis. The system prototype was tested with water samples from various sources, and the results demonstrated high accuracy, with a maximum deviation of ±0.5% compared to laboratory results. Thus, this system offers an efficient and easy-to-implement solution for continuous water quality monitoring, which can aid in water resource management in urban environments.

Noise in libraries can disrupt the concentration and comfort of visitors who are reading or studying. Therefore, a tool is needed to detect noise and automatically issue warnings to maintain silence in the library environment. This research aims to design and develop a noise detection tool in libraries using Internet of Things (IoT) technology. The device consists of a sound sensor that detects noise levels and sends data to a cloud-based server for analysis. When the noise level exceeds a specified threshold, the tool provides warnings through visual indicators and notifications to the library staff. The prototype was tested in a library environment and was able to detect noise accurately and issue real-time alerts. The results showed that the device effectively reduced noise levels and improved the comfort of library visitors. With the implementation of IoT technology, this system can be accessed and monitored remotely, facilitating library management in maintaining a conducive environment.

Durian is one of the leading fruit commodities with high economic value in various tropical regions, including Indonesia. However, the durian cultivation process often faces challenges related to unstable environmental conditions, such as temperature fluctuations, soil moisture, and nutritional deficiencies which can affect the level of plant fertility and the quality of the fruit produced. Therefore, an effective and efficient monitoring system is needed to optimize durian plant care. This research aims to develop a fertility monitoring system for durian trees using Internet of Things (IoT) technology which can help farmers manage the environmental conditions of plants in real-time. The designed system uses various sensors, such as soil moisture sensors, air temperature and humidity sensors, light intensity sensors, and soil nutrient sensors, to collect relevant environmental data. The data obtained from these sensors is then processed by a microcontroller and sent via the IoT network to a cloud-based storage platform. The trial results show that this system can monitor environmental conditions with high accuracy and provide appropriate maintenance recommendations, thereby increasing efficiency in managing durian plants.

This research aims to design and build a tool for detecting and repelling pests on kale plants using Passive Infrared (PIR) sensors and Internet of Things (IoT) based pesticide liquid which can be controlled via the Telegram application. This system works by detecting the movement of pests using a PIR sensor, which then activates the mechanism for automatically spraying pesticide liquid to repel pests. Users can monitor and control this tool in real-time via Telegram, providing flexibility in plant monitoring. Data from sensors is sent to the IoT platform and integrated with Telegram to provide remote notifications and control. Test results show that this tool can detect the presence of pests with high accuracy and is effective in repelling pests from the kale plant area. It is hoped that the implementation of this tool can help farmers maintain the quality and quantity of their kale harvest in a more efficient and environmentally friendly manner.

The problem background of this article discusses progress in human life and other organisms, from the beginning of life to changes in the life cycle. The term cognition Refers to mental processes in the human mind, important for understanding the world and interactions with the environment. Jean Piaget highlighted how children build understanding through stages of cognitive development. The Independent Curriculum and Christian religious education provide a relevant context for discussing education and holistic individual development. The method used in this article is library research, namely collecting data from various literature related to research. The stages of literature study include preparing equipment, making a bibliography, managing time, and reading and recording research materials. Data was collected through searching for sources from various media such as books, journals and previous research, with critical and in-depth explanations to support arguments and ideas. The result of this article is that cognitive development is influenced by different stages. Children think differently at each stage, for example from sensorimotor to formal operational. The Freedom to Learn curriculum can integrate Piaget's theory in Christian religious education with a focus on direct experience, critical questions, constructive activities, and stages of cognitive development. This helps students understand and process information better.

Mental health is the realization of harmonious mental functions, which allows one to face challenges, feel happy, and feel capable. A healthy soul includes self-actualization, a positive attitude towards oneself, progress, and a realistic perception of adaptation (Oktaviani & Apriliyani, 2022). Hallucinations refer to phenomena when individuals experience sensory changes in response to stimuli that are objectively absent (Refnandes et al., 2023). The purpose of this paper is to determine and provide mental nursing care to Mrs. S with the main problem of sensory perception disorders: auditory hallucinations due to paranoid schizophrenia in the Dewaruci ward of dr. Amino Gondohutomo Mental Hospital, Central Java Province in accordance with nursing standards. The method used is a descriptive method in the form of interviews, observations, documentation studies, literature studies and literature. From the case review, it was found that the patient’s main complaint said “I heard a whisper telling me to leave the house, sis”. There are 4 nursing problems, namely the risk of violent behavior, sensory perception disorders: auditory hallucinations, social isolation and self-care deficits. Interventions are designed based on TUM and TUK and on the client’s condition and can be implemented.

The development of Internet of Things (IoT) technology provides opportunities to automate various devices, including height measuring devices. This research aims to design and build an automatic height measuring device that is integrated with IoT technology. This tool is designed to measure body height automatically and send the measurement data to a cloud-based platform, making it easier for users to monitor data in real-time via smart devices. This system uses an ultrasonic sensor to detect body height, a microcontroller as a data processor, and a Wi-Fi module to send data to the server. Test results show that this tool is capable of measuring body height with a good level of accuracy and provides convenience in storing and monitoring measurement data remotely. Thus, this IoT-based height measuring device can be an innovative solution for the need for height measurement that is more efficient and integrated with digital systems.

This research aims to develop innovations in the manufacture of cookies with the addition of sorghum flour and mung bean flour (Vigna radiata) as the main ingredients. Sorghum flour was chosen because it has a high fiber content, is gluten-free, and rich in antioxidants. Mung bean flour was chosen because it is rich in vegetable protein, fiber, vitamins, and minerals that are important for health. The main objective of this study was to evaluate the effect of adding both types of flour on the physicochemical characteristics, texture, taste, and color of cookies. The research method involved the formulation of various proportions of sorghum flour and mung bean flour, as well as organoleptic tests to assess consumer preferences. Tests were conducted using chemical analysis to determine nutrient content as well as sensory tests to assess texture, taste, and color attributes. The results showed that the addition of sorghum flour and mung bean flour can increase the nutritional content of cookies, especially in terms of fiber and protein.In addition, the combination of these two flours provides a crispier texture and distinctive flavor, which is different from conventional cookies. Overall, this innovation offers a healthier alternative for consumers without compromising the sensory quality of the cookies. The use of sorghum flour and mung bean flour in making cookies not only increases the nutritional value but also fulfills the market need for healthier food products. These findings make an important contribution to the development of functional food products that can be accepted by various groups of people.

Mental health is a condition of mental, physical and emotional health where individuals have positive things in terms of self-actualization, perception according to reality and skills in adapting to the environment. Schizophrenia is a form of long-term mental disorder with communication disorders and blunted affect that affects the individual's normal daily activities with hallucinations (Puspitasari & Astuti, 2024). The purpose of writing this work is to find out and implement nursing care for Mrs. I with the main problem of sensory perception disorders, auditory hallucinations due to paranoid schizophrenia in the Arimbi Room, RSJD dr. Amino Gondohutomo, Central Java Province. The preparation method uses a descriptive approach with case studies as a writing plan. The case review obtained was that the main problem was that Mrs. I heard a man's voice saying bad things and often seemed to be talking to herself. The nursing problem tree shows sensory perception disorders: auditory hallucinations as the core problem, then self-care deficits, social isolation and risk of violent behavior. Interventions are structured based on implementation strategy guidelines aimed at clients and families which will later be implemented and evaluated immediately as documentary evidence.

Maintenance is an activity to prevent damage from an early age that will occur by periodically inspecting equipment using sensors and sophisticated tools. Docking is a process of moving ships from seawater to docking with the help of docking facilities. A shipyard is a place that will later be used to carry out the process of building ships/repairing and maintaining ships. The implementation of ship maintenance on dock requires planned maintenance management by the owner of the ship. In terms of the implementation of maintenance work comes into two: planned and unplanned. An overview of the implementation of docking that occurred on MT ships. NGAGEL SO. As a result, the ship ran aground and ignored the recommended maintenance. The importance of care management carried out must be in accordance with the guidebook. There is support from ship owners to support the maintenance system on the ship. Implement a care management system that complies with maintenance rules. Treatment that is done in accordance with regulations, can help increase the life of the equipment to be used and reduce repair costs and time efficiency.  

This study aims to design and develop an automatic solar tracker system based on the Internet of Things (IoT) to enhance the efficiency of energy collection in solar panels. The system utilizes key components such as the ESP32 microcontroller, LDR sensors, servo motors, and the Blynk platform to monitor performance in real-time. The solar tracker is designed to follow the movement of the sun, ensuring that the solar panels are always positioned optimally to receive sunlight throughout the day. Testing indicates that this system improves solar energy absorption efficiency compared to static solar panel systems. Furthermore, the integration of IoT allows for more effective and efficient remote control and monitoring. Thus, this technology not only offers improvements in energy efficiency but also provides a practical solution for better and more sustainable solar energy management.

Schizophrenia is a chronic mental disorder known for unclear thoughts, strange behavior and unreal sensory experiences that affect a person's thinking, feeling and acting and can make it difficult to distinguish between what is real and what is not. Patients with schizophrenia who experience delusions often feel angry and may be violent towards people they believe have hurt them. Uncontrolled anger in patients with schizophrenia will cause the risk of violent behavior (Auliati & Lubis, 2023; Wulandari et al., 2024).    

This paper was presented based on a clustering method to minimize power consumption in underwater wireless sensor networks. The main objective of the proposed method is to choose an energetic path. The proposed clustering scheme operates with the round, so that each round consists of two phases the cluster head selection and the data transmission. After the end of each round which is called a tround, the cluster head selection phase begins again. The obtained simulation results showed that the efficiency of the proposed method was better than L2ABF in terms of energy consumption and end-to-end delay.

Wontons consist of skin and filling. Generally, wonton skin is made from wheat flour, oil, water and salt. In this research, wonton skin was made with different characteristics by replacing wheat flour with tangmien flour. The wheat flour in wonton skin can be replaced 100% with tangmien flour because it has fine and soft characteristics which make the wonton skin color more transparent white and have a flexible texture. One effort to increase nutritional value and appearance is by adding green spinach (amarathus hybridus l.) juice. Green spinach contains chlorophyll which can be used as a natural coloring in food processing. Green spinach is mixed with 20gr, 40gr and 60gr of tangmien flour which is useful for changing the color of the wonton skin so that it has different color variants. Research Objectives: 1) To determine the sensory quality of wonton skin which includes color, texture, aroma and taste; and 2) To determine the nutritional content which includes energy, carbohydrates, fiber, iron, and vitamins A, B, C. This research uses an experimental method. The data collection technique was carried out by observation using a questionnaire sheet in the form of an instrument with 30 panelists. The data analysis technique used was single ANOVA followed by Duncan's test. To determine the nutritional content (energy, carbohydrates, fiber, iron, and vitamins A, B, C) laboratory tests are carried out. The results of the research show: 1) There is an effect of substitution of green spinach juice on the sensory quality of color and no effect on the sensory quality of texture, aroma and taste; and 2) The nutritional content of the product is Energy 305.80 kcal/100g, Carbohydrates 38.60%, Fiber 3.80%, Iron 2.85 mg/100g, Vitamin A 98.65mg/100g, Vitamin B 4.15mg /100g, Vitamin C 8.10mg/100g.   Keywords: , , ..

To enhance awareness of environmental cleanliness and prevent the spread of diseases or viruses, it is sometimes necessary to employ unique methods to attract people's interest, thereby encouraging them to dispose of waste properly. Traditional trash bins generally require manual operation to open and close, which can be inconvenient for users and increase interaction between people and the trash bin. Moreover, manual trash bins often struggle to manage waste when they are full. This research, conducted by Institut Teknologi Nasional, offers a solution by designing a smart trash bin based on Arduino Uno, utilizing the HC-SR04 or ultrasonic sensors, a servo motor, and a buzzer or speaker. In this smart trash bin, the HC-SR04 ultrasonic sensor is used to detect distance, while the servo motor functions to open and close the lid. The buzzer or speaker provides notifications when the lid is about to open or when the trash bin is full.