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Naturally, a mother hen incubates her eggs until they hatch completely. However, the success rate of natural hatching is low, and hatching can be completed with a maximum of 10 eggs. Chicken farming, more specifically the chicken egg hatching system, breeders usually use an incubator for the process of hatching chicken eggs. In the incubator, there is a lamp that has been provided which is used for the process of warming the eggs so that the eggs can hatch properly and of good quality with incandescent lamps. In general, the process of hatching eggs often encounters problems or obstacles. The obstacle that is often experienced when hatching chicken eggs is that the incubator only uses incandescent lights. Therefore, to avoid this problem, a microcontroller was designed to overcome this problem. This tool is a combination of a microcontroller with an Arduino-based temperature and humidity sensor. With this tool, after the eggs hatch, when the lights are off, the sensor can read the output in the form of the incubator temperature, which is detected by the Arduino serial display. Design methods and experimental methods were used in this research. Tool testing is divided into three types, namely temperature testing, humidity testing and egg load testing. The result of this research is an automatic egg incubator machine that uses Arduino. Several electronic components used in the incubator are Arduino,

Fires can occur unexpectedly, even if you are careful when using equipment that produces fire. However, there are still several sources that cause fires, such as electrical short circuits, gas stoves, burning rubbish, cigarette butts and candles when the lights go out. The aim of this research is to create a tool that can detect fire and temperature in a room and can overcome (minimize) the threat of fire disasters based on a microcontroller and C language. This research uses a Fire Sensor to detect fire, a DHT 11 Sensor to detect room temperature, NODEMCU as microcontroller controlling input and output, Buzzer as a system monitoring tool. The system will be assigned to turn on the extinguishing system that uses a FAN if there is a significant increase in temperature or if the system detects a fire. The output from the Flame Sensor which detects fire will be processed into a microcontroller which has been programmed using C language so that it will produce two states, namely low, namely when no fire is detected, and high when fire is detected. Likewise for the output from DHT11. This tool will give a warning to the buzzer if it detects a fire, and also detects changes in temperature and gives orders to spray the fan if there is a significant change in temperature

Broiler chickens are livestock whose growth is influenced by environmental temperature. The temperature of the chicken coop that is not suitable can affect the decrease in productivity and cause death in broiler chickens, so that the temperature setting of the cage must be considered. The design of this temperature and humidity monitoring system uses a nodemcu ESP8266 microcontroller and an arduino uno. If the measured temperature exceeds the set temperature limit, the system will send an SMS to the smartphone so that the cage officer can take appropriate action.

Of course, a soccer field needs water and the fertility of the field soil so that the grass can grow. The development of science and technology currently has a big influence on getting work done. A pump is a tool used to move liquids (fluids) from one place to another through pipes (channels) by adding energy to the fluid being moved and continuing continuously. Currently, many water pumps still use the manual method, namely using a switch or even just using a plug. Grass will also live if the soil has appropriate humidity, if the soil moisture level is low, the grass will die if there is excess moisture and it will not be able to grow. This problem certainly requires a solution that can help monitor soil moisture as well as control water pumps. By utilizing NodeMCU ESP8266 microcontroller technology as the control center, the YL-69 sensor measures soil moisture values ​​and also relays as a replacement for manual switches. To control pump conditions via Blynk.

Latar belakang penelitian ini adalah adanya kebutuhan para peternak akan adanya sistem pemantauan gas berbahaya untuk kandang peternakan ayam. Setiap harinya ayam mengeluarkan kotoran 0.1 kg/hari untuk setiap satu ekor ayam yang jika menumpuk dan tidak didaur ulang akan menyebabkan polusi udara, serta terbentuknya gas berbahaya yaitu amonia dan metana. Gas amonia yang berlebihan dapat mempengaruhi kesehatan ayam dan juga manusia di sekitarnya. Sedangkan gas metana dapat mencemari udara serta merupakan salah satu gas rumah kaca. Dengan kondisi tersebut diperlukan sistem monitoring kondisi udara agar tidak kadar kedua gas berbahaya tersebut tidak berlebihan. Penelitian ini mengusulkan pemantauan gas berbahaya  tersebut menggunakan sensor dan berbasis Internet of Things (IoT). Tujuannya agar peternak dapat melakukan pemantauan dari jarak jauh dengan menggunakan perangkat smart phone. Perangkat yang digunakan dalam penelitian ini adalah sensor MQ-4 untuk deteksi metana, sensor MQ-135 untuk deteksi amonia dan ESP8266 sebagai microcontroller untuk perangkat IoT. Hasil penelitian ini dapat membantu peternak untuk menjaga kualitas udara di lingkungan kandang peternakan ayam yang dikelolanya.

Solar energy is a potential solution to meet the electricity needs of TNI AD posts and bases in border areas. However, conventional solar energy systems have limited efficiency because they can only absorb sunlight from one direction. The efficiency of solar energy systems can be improved by using a dual-axis tracking system equipped with a LDR sensor. The LDR sensor is used to detect the direction of sunlight. The change in the LDR sensor resistance due to the change in the intensity of light that hits it is then processed by a microcontroller to move the solar panel in the appropriate direction. Based on the results of testing, the dual-axis tracking system with an LDR sensor significantly increases the power generated compared to conventional solar energy systems. At the peak of performance during dynamic testing at 12:00 pm, the total power reached 2,196 W, while the static test reached a total power of 1,311 W. Therefore, the dual-axis tracking system with an LDR sensor can be a more optimal choice to improve the performance and efficiency of solar energy systems in generating electricity at TNI AD posts and bases in border areas.

Various styles of decorative lights and forms of lighting will greatly influence the exoticism of the outside of the building, the presence of garden lights can be an option to create romance. Garden lights are an important element in creating an atmosphere that is not only beautiful, beautiful, but also full of high aesthetic value. Basically, garden lights not only play an important part in providing garden light or help provide lighting when walking in the garden at night and also provide a different atmosphere, especially adding lots of light points so that the spotlight will give a unique light image, thereby creating an atmosphere. around the park becomes beautiful and safe. Technological advances are increasingly rapid, making human life easier and more practical, one of these technological advances is microcontroller technology. The use of microcontrollers has recently expanded to all fields, its use is not only in the field of computers, but has also been used in other electronic equipment, for example devices that we see every day, such as cell phones, televisions, washing machines and even all the way to space instruments. The microcontroller itself is an electronic component which, when given input data, processes the input data, and then produces output from the processed data so that it can turn on the output on the microcontroller connected to the garden lamp.  

As the main road that connects one region to another, damaged roads is a complex problem and causes huge losses, especially for road users. Therefore, in this study will be designed a system for measuring the volume of damage road surface by using ultrasonic sensors. This system uses ATMega 328 microcontroller interface and applications are made from Visual Basic 6. From this study, we got the best measurements results of road surface damage volume in a short time and the data stored on the pc directly get in Microsoft Excel format.

Technology has the potential to be employed within the realm of electronics and informatics, particularly for the purpose of securing household doors using a smartphone through an internet connection. The Internet of Things (IoT) embodies a concept where internet-enabled devices can communicate with each other and their surrounding objects. This endeavor seeks to create a prototype using key components, including NodeMCU Esp8266, Servo Motor, and Fingerprint Module, with the ultimate goal of simplifying daily tasks and alleviating concerns about leaving the door unlocked upon leaving the house. The mechanism of this device entails utilizing a smartphone app to establish an internet connection, enabling users to seamlessly close and lock their house door. The underlying intention behind developing this tool is to provide assistance in managing both indoor and outdoor activities, addressing the issue of inadvertently leaving the door unlocked, and substituting traditional door locks with fingerprint recognition. By employing this innovation, individuals can conveniently regulate their house door via smartphone, saving time and effort and seamlessly integrating it into their daily routines.

The community's need for electric power is increasing and efforts to monitor electric power are to obtain information on the results of measurements of voltage and electric current. Based on the analysis of the measurement results, it can be concluded that (1) the current measurement is more optimal when using the SCT-013 current sensor, (2) the voltage measurement is more optimal when using the PZEM-004T voltage sensor, (3) the difference in measurements using the current sensor is greater than the difference with a voltage sensor.

Honey is a natural liquid that contains a lot of sugar produced by bees (genus Apis) from flower nectar and has a sweet taste. Honey contains a multitude of benefits that are good for the body, including being a source of nutrients, improving body metabolism, anti-bacterial, and others. The purpose of designing the Honey Harvest Monitoring System with ARDUINO-based IOT is to help breeders maximize honey harvesting results. This study aims to design an intelligent system for controlling the temperature in bee hives, humidity in bee hives, and monitoring honey yields, measuring the temperature and humidity of the storage room using DHT 11 sensors, and monitoring honey harvest time using Load Cell sensors. The temperature and humidity controller in the cage uses a blower/fan. Sensor data will be processed using the Wemos D1 R1 microcontroller and then sent to an Android application via the internet network using a real-time Firebase database so that it can be accessed anywhere and anytime. The way this system works is that if the room temperature is >38 degrees Celsius, the blower/fan will turn on, and will turn off if the temperature is 40%, the artificial window will open and will close if the humidity is

In everyday life, trucks are used to transport goods. Not infrequently seen a lot of use of trucks that exceed the carrying capacity. Accidents on the highway include the impact caused by trucks that are overloaded or overloaded. The purpose of this study is to reduce the risk of accidents due to overloading or overloading. The truck load monitoring system aims to make it easier for truck users to see the truck load weight directly through a smartphone with an application. In addition, users can also see the excess weight of the load and there is an overweight indicator in the form of a buzzer. With this system, users can reduce the risk of accidents on their vehicles. This system consists of a load cell sensor and HX711 module as a weight detector, NodeMCU as a microcontroller and data transmission, firebase as a database, and android studio as a container for creating applications. Payload weight data can be monitored remotely or close according to the principles of the Internet of Things (IoT). The results of this study indicate that the system works well with the sensor accuracy level on the prototype truck 1 and truck prototype 2 above 95%. Writing data on firebase, reading firebase through the application and testing the buzzer has a 100% success rate percentage. There is no diference transmission delay between serial monitor and firebase.

Lights are not just lighting at night, but have also developed into an addition to the aesthetic value of the garden. We can choose various models and styles according to our needs, as is the case with fashion developments which are always up to date and changing fashions, lighting trends or lights also experience the same thing. This is the same as the function of decorative lights in general which can be adapted to the design and size of the garden, not only that the garden house will never be separated from lighting. The shape of a garden with a broad and minimalist tropical style will be very meaningful if the lighting equipment is fulfilled and fits.