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Rancang Bangun Tirai Otomatis Berbasis Arduino Uno R3 Dengan Sensor Ldr Dan Kendali Manual Via Bluetooth Hc-05 Melalui Aplikasi Mit App Inventor Erik Agustian Yulanda; Sindi Kornelia Karolin
Journal of Innovative and Creativity Vol. 5 No. 2 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i2.2304

Abstract

The use of Automatic Curtains facilitates daily activities at school, in the library, and at home. This study designs a prototype of automatic curtains operated with a Light Dependent Resistor (LDR) sensor and a Bluetooth HC-05 module connected to a smartphone via the Mit App Inventori application. The method used in the automatic curtain research uses the LDR Sensor as an output to open and close the curtains automatically and uses Bluetooth HC-05 which is designed to be connected to a smartphone to open and close the curtains manually. Testing was carried out for experiments that the designed prototype functions according to the commands on the Arduino Uno R3 on the light captured by the LDR Sensor> 250 Lux then the curtain will be closed, and if the light captured by the dark LDR Sensor is <10 Lux then the curtain will open. This test aims to facilitate the learning and teaching process indoors by preventing the hot sun from entering the room and the curtain material used can be used as a Projector
Rancang Bangun Sistem Pembersih Panel Surya Berbasis Arduino Uno dan Analisis Efektivitas Metode Pembersihan Kering dan Basah Terhadap Efisiensi Energi Yulanda, Erik Agustian; Karel Octavianus Bachri; Muhamad Jaelani Sidik; Agi Tama; Joko Tri Susilo
EPIC Journal of Electrical Power Instrumentation and Control Vol 8 No 1 (2025): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/epic.v8i1.58282

Abstract

Penurunan efisiensi panel surya akibat akumulasi debu dan kotoran merupakan permasalahan umum pada sistem Pembangkit Listrik Tenaga Surya (PLTS), terutama di lingkungan yang berdebu dan lembap. Oleh karena itu, diperlukan penelitian untuk menyediakan sistem pembersihan alternatif yang efektif sekaligus hemat energi. Penelitian ini bertujuan untuk mengembangkan sistem pembersih panel surya berbasis Arduino Uno yang beroperasi menggunakan dua metode, yaitu pembersihan kering dan pembersihan dengan air. Sistem ini terdiri atas motor stepper Nema 23 untuk pergerakan linier, motor DC 12 V untuk rotasi sikat, pompa air DC 12 V, serta dua limit switch yang berfungsi untuk membalik arah putaran motor stepper. Pengujian dilakukan dengan membandingkan nilai tegangan, arus, dan daya keluaran panel sebelum dan sesudah pembersihan, serta mengukur konsumsi energi sistem pembersih untuk setiap metode. Hasil penelitian menunjukkan bahwa metode pembersihan kering mampu meningkatkan daya panel dari 1,10 W menjadi 1,33 W (peningkatan sebesar 20,91%) dengan konsumsi energi sebesar 0,097 Wh per siklus. Sementara itu, metode pembersihan dengan air meningkatkan daya dari 0,80 W menjadi 1,32 W (peningkatan sebesar 65,00%) dengan konsumsi energi sebesar 0,187 Wh per siklus. Kedua metode menghasilkan perolehan energi bersih positif masing-masing sebesar 0,133 Wh dan 0,333 Wh. Hasil analisis menunjukkan bahwa sistem yang dikembangkan memiliki efisiensi energi yang baik dan berpotensi untuk diimplementasikan sebagai solusi efektif dalam pemeliharaan panel surya.
Integrasi Modul RF 2,4 GHz Pada Sistem Minimum ATmega328P dan Analisis Performa Komunikasi Yulanda, Erik Agustian; Junia, Dea
BINER : Jurnal Ilmu Komputer, Teknik dan Multimedia Vol. 3 No. 6 (2026): BINER : Jurnal Ilmu Komputer, Teknik dan Multimedia
Publisher : CV. Shofanah Media Berkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Low-power wireless communication has become increasingly essential in small-scale control and monitoring systems, especially in microcontroller-based devices that require minimal energy consumption while maintaining adequate range and reliability. The ATmega328P microcontroller is widely used in embedded applications; however, its standard configuration does not provide built-in Radio Frequency (RF) communication capabilities. This limitation necessitates the development of a minimum system capable of supporting efficient short-range wireless communication. To address this need, a 2.4 GHz nRF24L01 RF module was integrated into an ATmega328P minimum system, accompanied by the design of a power regulation circuit, an FTDI programming interface, and communication pathways compatible with various sensors. Performance evaluation was carried out through range testing, transmission stability assessment, data-transfer latency measurement, and power-consumption analysis under both indoor and outdoor conditions with variations in distance and physical obstructions. The results indicate that communication remained stable at distances of 5–15 meters indoors and 1–20 meters outdoors, with an average latency of 271.1 ms. Power consumption ranged from 14.2 to 31.8 mA, depending on the mode of operation. The integration of the RF module successfully enhances the communication capability of the ATmega328P and provides a strong foundation for the development of IoT devices and short-range automation systems.