RENALDY SAPUTRA, NIM. 132021073 (2025) STABILISASI TEMPERATUR PADA DOME COFFE DRYER BERBASIS ARDUINO UNO UNTUK PENINGKATAN MUTU BIJI KOPI. Skripsi thesis, Universitas Muhammadiyah Palembang.

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Abstract

Drying coffee beans is a crucial stage in the post-harvest process that directly impacts the final product quality, such as moisture content, color, aroma, and flavor. This study aims to analyze temperature stabilization in an Arduino Uno- based dome coffee dryer powered by a solar power plant (PLTS) to improve coffee bean quality. The system is designed to automatically maintain the drying temperature within the optimal range of 35°C–40°C, utilizing a DHT22 sensor to measure temperature and humidity, an Arduino Uno as a controller, and a heating element and fan as actuators. The solar radiation conversion system is powered by 4 × 200 Wp solar panels connected to an off-grid circuit via a solar charge controller, battery, and inverter. The temperature inside the dome coffee dryer dropped below 35°C between 3:00 PM and 9:00 AM for 18 hours. The temperature increased above 35°C between 9:00 AM and 2:00 PM for 6 hours. Temperature stabilization is necessary to maintain a minimum temperature of 35°C with humidity in the range of 40-70°C.

Item Type:	Thesis (Skripsi)
Additional Information:	Pembimbing: 1. Yosi Apriani S.T, M.T., 2. Ir. Zulkiffli Saleh, M.Eng
Uncontrolled Keywords:	Temperature stabilization, dome coffee dryer, Arduino Uno, solar power plant, coffee bean quality.
Subjects:	Elektro > Elektronika Elektro > Pengujian dan Pengukuran Listrik Elektro > Teknik Listrik
Divisions:	Fakultas Teknik > Teknik Elektro (S1)
Depositing User:	Mahasiswa Fakultas Teknik
Date Deposited:	30 Apr 2026 04:04
Last Modified:	30 Apr 2026 04:04
URI:	http://repository.um-palembang.ac.id/id/eprint/35240

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