RANCANG BANGUN ALAT DAUR ULANG LIMBAH KERTAS MENJADI KERTAS MULTIGUNA BERBASIS MIKROKONTROLER

RAMADHAN FAJAR ANGGORO, . (2026) RANCANG BANGUN ALAT DAUR ULANG LIMBAH KERTAS MENJADI KERTAS MULTIGUNA BERBASIS MIKROKONTROLER. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Limbah kertas merupakan salah satu jenis sampah yang jumlahnya terus meningkat dan memerlukan pengelolaan yang efektif agar tidak menimbulkan dampak negatif terhadap lingkungan. Penelitian ini bertujuan untuk merancang, membangun, dan menguji alat daur ulang limbah kertas menjadi kertas multiguna berbasis mikrokontroler ESP32 yang mampu mengotomatisasi proses penimbangan bahan, pengisian air, pengadukan bubur kertas, dan pengeringan. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan pendekatan V-Model, yang meliputi tahap perancangan, implementasi, serta pengujian setiap subsistem hingga pengujian sistem secara keseluruhan. Sistem menggunakan sensor load cell sebagai pengukur massa kertas, sensor liquid level non-contact XKC-Y25-V sebagai pendeteksi ketinggian air, sensor suhu DS18B20 untuk memantau suhu ruang pengering, serta aktuator berupa pompa air DC, motor AC, heater AC, dan kipas DC yang dikendalikan oleh ESP32. Hasil pengujian menunjukkan bahwa catu daya bekerja dengan penyimpangan tegangan maksimum sebesar 2,60%, sensor load cell memiliki selisih pengukuran 0,1–0,4 gram, sensor liquid level memberikan waktu respons 0,18–0,22 detik, dan sensor suhu DS18B20 memiliki selisih pengukuran 0,6℃-0,75℃ terhadap multimeter digital. Pengujian integrasi menunjukkan seluruh tahapan proses berjalan dengan baik, sesuai dengan urutan sistem yang telah dirancang. Produk yang dihasilkan berupa lima lembar kertas daur ulang berukuran A4 dengan kondisi kering dan massa rata-rata 5,37 gram, sehingga menunjukkan bahwa sistem mampu bekerja menjalankan urutan proses dan menghasilkan lembaran kertas daur ulang dengan massa akhir relatif seragam berdasarkan pengamatan sederhana. ***** Paper waste is one of the most common types of solid waste whose volume continues to increase, requiring effective management to minimize its negative environmental impacts. This study aims to design, develop, and evaluate a paper waste recycling machine for producing multipurpose paper based on the ESP32 microcontroller, capable of automating the processes of material weighing, water filling, paper pulp mixing, and drying. The research employed the Research and Development (R&D) method using the V-Model approach, which consists of the design, implementation, subsystem testing, and overall system testing stages. The system utilizes a load cell sensor to measure the paper mass, an XKC-Y25-V non-contact liquid level sensor to detect the water level, and a DS18B20 temperature sensor to monitor the drying chamber temperature. The actuators consist of a DC water pump, an AC motor, an AC heater, and a DC fan, all controlled by the ESP32 microcontroller. The test results showed that the power supply operated with a maximum voltage deviation of 2.60%, the load cell sensor achieved a measurement error ranging from 0.1 to 0.4 grams, the liquid level sensor exhibited a response time between 0.18 and 0.22 seconds, and the DS18B20 temperature sensor showed a measurement difference of 0.6°C–0.75°C compared with a digital multimeter equipped with a temperature probe. The integration test demonstrated that all processing stages operated properly according to the predefined system sequence. The developed system successfully produced five sheets of recycled A4-sized paper in dry condition with an average mass of 5.37 grams, indicating that the system was capable of executing the complete recycling process and producing recycled paper sheets with relatively uniform final mass based on simple observational evaluation.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Dr. Baso Maruddani, M.T. ; 2). Muhamad Wahyu Iqbal, M.T.
Subjects:	Teknologi dan Ilmu Terapan > Teknik Elektronika
Divisions:	FT > S1 Pendidikan Teknik Elektronika
Depositing User:	Users 34947 not found.
Date Deposited:	12 Aug 2026 03:53
Last Modified:	12 Aug 2026 03:53
URI:	http://repository.unj.ac.id/id/eprint/69685

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