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All Journal ULIN: Jurnal Hutan Tropis Malcom: Indonesian Journal of Machine Learning and Computer Science
Nugroho, Rizky Wahyu
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Computer Science & IT Environmental Science

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Membangun distribusi biomassa di hutan alam Dipterokarpa Siswanto, Hari; Nugroho, Rizky Wahyu; Ariyanto, Ariyanto; Ruslim, Yosep; Aquastini, Dwinita; Pambudhi, Fadjar
ULIN: Jurnal Hutan Tropis Vol 8, No 1 (2024)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32522/ujht.v8i1.13176

Abstract

Gas rumah kaca menimbulkan dampak yang besar terhadap perubahan iklim global, sehingga perlu dilakukan upaya mitigasi untuk mengurangi dampak tersebut. Inventarisasi Hutan Menyeluruh Berkala bisa digunakan sebagai dasar pengukuran biomassa di atas pengukuran tanah. Provinsi Kalimantan Timur dalam program FCPF ini diminta menggunakan perhitungan emisi dan nilai perhitungan dihitung berdasarkan metode Monte Carlo. Sedangkan metode Monte Carlo sendiri memerlukan informasi tentang distribusi biomassa, yang saat ini belum diketahui bentuknya. Penelitian ini bertujuan untuk 1) Menghitung jumlah biomassa pohon per hektar, dan nilai ketidakpastian 2) Membuat bentuk distribusi biomassa berdasarkan data plot IHMB. Penelitian ini menggunakan data sekunder dari pengukuran diameter IHMB dari PT INHUTANI UMH 1 Meraang Berau. Pengolahan data yang dilakukan adalah pembuatan distribusi diameter, lalu dilakukan perhitungan biomassa dengan menggunakan rumus alometrik. Selanjutnya penerapan distribusi normal dan distribusi lognormal pada data biomassa serta perhitungan nilai ketidakpastian. Berdasarkan hasil penelitian yang diperoleh dari 611 petak ukur nilai rata-rata biomassa yaitu 167,1 ton dengan total biomassa keseluruhan adalah 102.137,7 ton ha -1 , dengan nilai ketidakpastian sebesar 7,5%. Hasil dua bentuk distribusi yang diuji berdasarkan bentuk visualnya, distribusi normal lebih baik dari distribusi lognormal.
Design and Implementation of NodeMCU ESP8266-Based Smart Home System as Residential Energy Efficiency Solution Aziza, Miladina Rizka; Widyanto, Hafidin Bangun; Dwiputra, Febrian Daniel; Cahayanti, Putri Nur; Prawimuliasta, Enggar Kabisafira; Nugroho, Rizky Wahyu
MALCOM: Indonesian Journal of Machine Learning and Computer Science Vol. 6 No. 3 (2026): MALCOM July 2026
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/malcom.v6i3.2902

Abstract

The household sector accounts for approximately 42.41% of Indonesia's total electricity consumption (122,339.69 GWh in 2023), making it a strategic priority for energy efficiency efforts aligned with the Sustainable Development Goals (SDGs), particularly SDG 7, SDG 9, SDG 11, and SDG 13. This study presents the design of a NodeMCU ESP8266-based smart home system integrated with the ThingSpeak platform and an Android application built with MIT App Inventor. This system is capable of integrating three main functions, including controlling and monitoring room lights using an LDR sensor, controlling the AC along with monitoring temperature and humidity using a DHT11 sensor, and monitoring water levels using an HC-SR04 ultrasonic sensor within a single low-cost NodeMCU platform. System performance was evaluated through functional testing of each subsystem using calibrated reference instruments, with accuracy calculated by comparing measured values against theoretical reference values. The DHT11 sensor achieved 95.62% accuracy for temperature and 98.15% for humidity, while the HC-SR04 sensor achieved 97.06% accuracy. With a total component cost below IDR 1.5 million, this system demonstrates that a multi-subsystem smart home solution can be implemented affordably using locally available components, supporting residential energy efficiency and the SDGs 2030 agenda.
Co-Authors AA Sudharmawan, AA Aquastini, Dwinita Aziza, Miladina Rizka Cahayanti, Putri Nur Dwiputra, Febrian Daniel Hari Siswanto Pambudhi, Fadjar Prawimuliasta, Enggar Kabisafira Widyanto, Hafidin Bangun Yosep Ruslim