PROTOTYPE RICE DISPENSER UNTUK MASYARAKAT PENERIMA BANTUAN SOSIAL BERBASIS INTERNET OF THINGS (IOT)

NAURA NOOR SALSABILA, . (2026) PROTOTYPE RICE DISPENSER UNTUK MASYARAKAT PENERIMA BANTUAN SOSIAL BERBASIS INTERNET OF THINGS (IOT). Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Penelitian ini bertujuan mengembangkan dan menguji prototype rice dispenser untuk masyarakat penerima bantuan sosial berbasis Internet of Things (IoT) pada skala laboratorium. Penelitian menggunakan metode Research and Development (R&D), sedangkan proses pengembangan teknis sistem menerapkan V-Model yang menghubungkan tahapan analisis kebutuhan, perancangan, implementasi, pengujian unit, dan pengujian integrasi. Sistem menggunakan ESP32 sebagai pengendali utama, RFID RC522 untuk membaca UID kartu, load cell dengan modul HX711 untuk mengukur massa beras, motor servo MG996R untuk mengendalikan katup penyalur, serta LCD 20×4 untuk menampilkan status proses. Data transaksi dikirim melalui jaringan WiFi menggunakan protokol MQTT menuju Node-RED dan disimpan pada basis data MySQL di server lokal. Pengujian dilakukan terhadap catu daya, pembacaan RFID, pengukuran load cell, tampilan LCD, motor servo, komunikasi MQTT, Node-RED, dan MySQL. Hasil pengujian menunjukkan bahwa tegangan keluaran power supply 12 V dan 5 V masing-masing sebesar 11,2 V dan 4,82 V. Tiga UID kartu yang terdaftar berhasil diterima dan dua kartu yang tidak terdaftar berhasil ditolak pada skenario pengujian. Sensor load cell memiliki rata-rata galat absolut sebesar 0,647% pada rentang massa 100-2.000 g. LCD mampu menampilkan status sistem, motor servo dapat membuka dan menutup katup sesuai perintah, sedangkan MQTT, Node-RED, dan MySQL dapat menjalankan fungsi pengiriman, penampilan, dan penyimpanan data pada jaringan lokal. Berdasarkan hasil tersebut, prototype telah menjalankan fungsi utama sesuai rancangan pada lingkungan laboratorium. Penelitian ini belum mencakup pengujian lapangan, pengujian penerimaan pengguna, ketahanan mekanik jangka panjang, keamanan data, dan kinerja sistem pada banyak pengguna. ***** This study aimed to develop and test an Internet of Things (IoT)-based prototype rice dispenser for social assistance beneficiaries under laboratory conditions. The study employed a Research and Development (R&D) method, while the technical development process followed the V-Model, which links requirements analysis, design, implementation, unit testing, and integration testing. The system used an ESP32 as the main controller, an RC522 RFID reader to read card UIDs, a load cell with an HX711 module to measure rice mass, an MG996R servo motor to control the dispensing valve, and a 20×4 LCD to display process status. Transaction data were transmitted over WiFi using the MQTT protocol to Node-RED and stored in a MySQL database on a local server. The tests covered the power supply, RFID reading, load-cell measurement, LCD display, servo motor, MQTT communication, Node-RED, and MySQL. The results showed that the 12 V and 5 V power supplies produced outputs of 11.2 V and 4.82 V, respectively. Three registered card UIDs were accepted, while two unregistered cards were rejected in the test scenarios. The load cell achieved a mean absolute error of 0.647% over a mass range of 100-2,000 g. The LCD displayed the required system status, the servo motor opened and closed the valve according to commands, and MQTT, Node-RED, and MySQL performed data transmission, visualization, and storage functions on the local network. These results indicate that the prototype performed its main functions as designed under laboratory conditions. This study did not include field testing, user acceptance testing, long-term mechanical durability, data security, or multi-user performance evaluation.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Dr. Aodah Diamah, M.Eng. ; 2). Vina Oktaviani, M.T.
Subjects:	Sains > Fisika Teknologi dan Ilmu Terapan > Teknologi (umum) Teknologi dan Ilmu Terapan > Teknik Elektronika
Divisions:	FT > S1 Pendidikan Teknik Elektronika
Depositing User:	Naura Noor Salsabila .
Date Deposited:	16 Aug 2026 04:47
Last Modified:	16 Aug 2026 04:47
URI:	http://repository.unj.ac.id/id/eprint/70441

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