Salah satu musik trasional negara Indonesia adalah alat musik hadroh yang biasanya digunakan ketika ada acara agama Islam. Masyarakat di Indonesia, mereka yang tertarik mempelajari instrumen musik hadroh sudah mulai terkikis oleh perkembangan zaman dan orang-orang cenderung lebih menyukai instrumen modern. Untuk menarik minat penggemar, diperlukan metode pengembangan alat musik hadroh yang mudah diterima oleh masyarakat. Membuat aplikasi alat media pembelajaran dan musik yang bisa dijalankan di handphone Android adalah merupakan bagian dari upaya peningkatkan daya tarik penggemar dan membuatnya lebih mudah untuk belajar cara bermain dan informasi tentang alat musik hadroh. Aplikasi ini dibangun menggunakan metode pengembangan MDLC yang memiliki dengan tahapan seperti berikut, konsep, desain, pengumpulan bahan, perakitan, pengujian dan distribusi, aplikasi ini dapat dijalankan pada ponsel android dan bertujuan agar mudah dibawa kemana-mana. Aplikasi media pembelajaran untuk musij hadroh secara fungsional menghasilkan sesuai dengan kebutuhan yang diharapkan oleh pengguna. Dan memungkinkan pengguna bisa berinteraksi langsung dalam proses bermain hadroh sesuai dengan mekanisme alat musik yang sebenarnya. Hasil survei diperlihatkan untuk beberapa orang, tingkat puasan yang diperoleh sekitar 80,0% yang berarti dapat dikatakan memuaskan.
One of the new and renewable energy is the utilization of sunlight into electricity. which can be used to be converted into electrical energy using solar panels. Installation of solar panels that are installed for garden lights so far are often still placed in a static position (silent) at an angle of 90⁰, while the sun moves from sunrise to sunset. Because it will cause maximum energy absorption in solar panels placed in a static position only at 12:00. To overcome this problem a system is needed to track the position of the sun so that it is always perpendicular to the surface of the solar panel. Design and build Garden lights with a solar light tracking system on a microcontroller-based solar panel will later be made to move as it follows the direction of the sun's movement every hour, from sunrise to sunset. This tool will detect the time setting inputted by Real Time Clock (RTC) which is then processed by a microcontroller to drive a servo motor that functions as a solar panel drive machine so that the position of the solar panel will always be perpendicular to the sun throughout the day and the absorption of energy in the solar panel will more leverage. From the results of tests that have been done, the increase in the voltage of solar panels using a tracking system compared to solar panels without using a tracking system is 7.85%.
Department of Husbandry and Animal Health (Disnakkeswan) Probolinggo, is a government agency that has data on livestock, one of which is the location mapping data for the stables. This data is needed by Disnakkeswan and the general public to find information on the location of the livestock sheds in the Probolinggo district. Currently, the data on the location of the cage which is owned by the agency is still in the form of excel table data. This creates difficulties for the Animal Husbandry and Animal Health Service (Disnakkeswan) and the general public when looking for information on the location of the livestock pen. Among other things, the difficulty made them have to waste time finding the location of the farm stables. Given the roles and responsibilities of the Department of Animal Husbandry and Animal Health (Disnakkeswan) Probolinggo Regency above, an application is needed that will support or facilitate this task. The information presented in the Geographical Information System mapping the location of livestock stalls is the location of the co-ordinates for beef cattle, dairy and ducks. which can provide information about the location (stables) of the farm in the form of a map using a geographic information system with QGis Cloud.
One of the new and renewable energy is the utilization of sunlight into electricity. which can be used to be converted into electrical energy using solar panels. The installation of solar panels installed for garden lights so far is often still placed in a static (silent) position at an angle of 90⁰, while the sun moves from sunrise to sunset. Because it will cause maximum energy absorption in solar panels which are placed in a static position only at 12:00. To overcome this problem a system is needed to track the position of the sun so that it is always perpendicular to the surface of the solar panel. Design and build garden lights with a solar light tracking system on a microcontroller-based solar panel will later be made to move because it follows the direction of the sun's movement every hour, from rising to setting. This tool will detect the time setting inputted by Real Time Clock (RTC) which is then processed by a microcontroller to drive a servo motor that functions as a solar panel drive machine so that the position of the solar panel will always be perpendicular to the sun. throughout the day and the absorption of energy in solar panels will be more leverage. From the results of tests that have been done, the increase in the voltage of solar panels using a tracking system compared to solar panels without using a tracking system is 7.85%.
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