AbstrakBeras merah baik bagi kesehatan tubuh, karena menimbulkan rasa kenyang lebih lama, melancarkan sistem pencernaan, mengandung mineral penting untuk menepis radikal bebas, mengandung vitamin B6, menurunkan kadar kolesterol tubuh, lalu mencegah penyakit jantung. Namun dalam produksinya beras merah perlu kita klasifikasi kualitas mutunya. Saat ini pemeriksaan kualitas beras merah telah dilakukan secara manual oleh ahli pertanian organik dan pengawas pemeriksa yang berpengalaman. Hal ini memiliki kelemahan karena adanya subjektivitas penilaian kualitas antara pengamat yang satu dengan lainnya, inkonsistensi, dan memerlukan waktu yang lebih. Oleh karena itu, diperlukan cara untuk menentukan klasifikasi kualitas beras merah dengan cepat, akurat, dan mudah untuk dioperasikan sehingga meningkatakan efisiensi pengukuran kualitas beras merah. Sehingga penelitian ini menggunakan pengelolahan citra digital dapat mengklasifikasi kualitas mutu beras merah berdasarkan SNI dengan metode Binerisasi (Thresholding), Median Filtering, dan Connected Component Labelling. Sehingga didapatkan hasil pendeteksian pada pengukuran dan bentuk beras merah yang sangat akurat untuk mendapatkan kualitas yang sesuai dengan data yang telah dikumpulkan. Tingkat akurasi pada penggunaan kualitas beras merah dengan jarak 10cm dari objek ke kamera sebesar 80% sedangkan tingkat akurasi pada penggunaan kualitas beras merah dengan jarak 15cm dari objek ke kamera sebesar 100% .Kata kunci: kualitas beras, beras merah, standar SNI, mutu beras merah
Cold plasma has long been recognized for its effect which can be used to inactivate viruses and bacteria, both on objects and in the air. In the current state of the coronavirus pandemic, economical plasma generators can play a role in medical handling and room sanitation needs. This study analyzes the use of an inexpensive high-voltage flyback transformer that is easily available in the market and makes use of it to produce a compact cold plasma generator. The flyback is tested by conditioning the frequency variations with the same pulse width. The test results showed variations in the output voltage and ion quantity. The variation of the ionizing needles used also showed that the L-shaped needle produced an anomalous increase in the peak of ions at its best resonance. However, the ions in the L-shaped needle is slightly lower when compared to the variation of the straight needle at the other frequencies.
Utilization of solar cells can be used as a source of residential energy as a backup power source other than relying on supplies from PLN. In previous studies have not developed a system that monitors the power obtained from the utilization of solar cells. As a power monitoring tool a microcontroller and Internet-based (IOT) device is needed to provide information on the availability of backup power in the installation of solar power plants in homes. In this research, a PLTS design that is equipped with an IOT-based power monitoring system uses Arduino Uno and Thinkspeak. The results of the design can be applied to real conditions for the installation of solar power plants for residential homes.
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