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Currently, agricultural technology or Farming development is increasingly sophisticated by applying LoRaWAN-based IoT technology, ignoring quality agricultural products. LoRaWAN used in this research uses Long-Range Frequency 915 MHz and 920 MHz. The case study in this research is a case of river water quality that enters agricultural land or irrigation in Temas, Batu City, where the river water has been contaminated by household waste. The prototype installed on this farm uses an Arduino and Dragino LoRa 915 MHz microcontroller as transceivers and input and output devices consisting of ultrasonic sensors and water pH sensors, and outputs such as Solenoid valves mounted on tub one and tub 2. In contrast, tub 3 is a unique tub for distributing water to agricultural land with normal water pH quality. In this research, realtime monitoring, especially on the conditions of water turbidity, water pH, and water level.

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AbstrakEvaluasi Database Senjata Untuk Sistem Keamanan Menggunakan Fuzzy Logic ini dibuat untuk memberikan ID pada setiap senjata sehingga ketika terjadi penyalahgunaan senjata dapat segera ditelusuri siapa penanggung jawab atas senjata tersebut. Selain itu juga untuk membuat sistem administrasi senjata secara otomatis sehingga akan menimbulkan efisiensi waktu serta kemudahan dalam proses peminjaman dan pengembalian senjata pada gudang senjata di jajaran TNI -AD. Sistem yang dibuat menggunakan perangkat keras berupa Fingerprint Scanner , RFID Reader, RFID Tag, Laptop, dan model senjata serta dengan menggunakan metode fuzzy logic.Kata Kunci: Database, Fingerprint Scanner, RFID.

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