Home security monitoring system is a system that is able to monitor the house from unwanted events such as theft. Home monitoring systems can monitor and send users notices about the condition of their homes at the same time. Notifications sent in the form of pictures of the state of the room in the house, temperature conditions and gas density conditions. The home security monitoring system was created using Raspberry Pi as the control center of the system. It was connected with several sensors namely PIR sensor is used to detect objects that enter the room, raspicam is used to take pictures when the PIR sensor detects objects, temperature sensors and gas sensors are used to detect the state of temperature and gas concentration, and telegram is used as a liaison application to send notifications from Raspberry Pi to tool users. The final result of this research is to build a home security monitoring system with Raspberry Pi based on telegraph messenger. This system is able to monitor the security of the house from burglars or intruders, notify the temperature of the house and detect smoke or gas.
The source of lighting in ships can be sourced from electrical energy generated by using generators or now can utilize new renewable energy, such as solar energy using PV. Based on the existing potential, Indonesia has good solar energy potential. The measurement results show that the potential for solar energy reaches 6.37 kWh/m2/day. This potential can certainly be utilized in the marine and fisheries world. The utilization of PV as a source of electrical energy on fishing boats is expected to help support government policies in terms of the blue economy and overcome the limited number of fossil energy sources. In this study, the installation of PV with a size of 100 WP was installed on fishing boats. The need for electrical energy for PV energy output shows that it can meet 50.52% of electrical energy needs. This result is supported by the Wilcoxon test that electrical energy needs can be met by PV with a p < 0.005. The results of the economic analysis also show that the use of solar energy as a source of electrical energy provides an IRR of 9%, with a payback period of 8.87 years.
The microcontroller is one of the necessary parts of a computer system. In a simple microcontroller will produce a specific output based on the input received and the program given. PENDAHULUANMikrokontroler merupakan sebuah chip ic yg dapat di program sesuai dengan kebutuhan penggunannya. Seiring dengan kebutuhan rangkaian elekronika yang semakin komples untuk memudahkan pekerjaan manusia seharihari. Sebuah mikrokontroler sangat di perlukan untuk dapat di fungsikan sesuai dengan kebutuhan dari masyarakat yang semakin beragam. Oleh karena itu perkembangan mikrokontroler saat ini sudah semakin beragam dengan adanya minumun sistem keluarga arduino yg dapat di program lebih mudah di baandingkan membuat minimum sistem atau board mikrokontroler sendiri.
Waste becomes a problem that is often found in everyday life. It requires special attention towards the condition of the saltation, especially in the garbage disposal. The condition for garbage disposal must always be in a state of preparation, otherwise it may cause garbage to continue to pile up and scatter. Some issues were faced such as the slow handling of waste management caused by one-to-one-garbage check as well as the high cost spend in vehicle fuel. In this study, the portable capacity is in the form of the capacity of dirt, water, ultrasonic sensors, and websites. This system can help the dustmen in monitoring the capacity of the waste, so they do not need to check all the one-to-one-garbage. The data collection techniques consisted of literature studies, a system of reading, tool-making stages, website-making steps, and system testing stages. The result of the test revealed that the system could functioned as expected. The system can perform measurements with an average error of 0.66% in 10 times trials. The SIM900 connection with Microcontroller and the internet was successfully done. The testing in the storage was filled and monitoring on the website page was based on the condition of the trash.
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