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INDONESIA
JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA)
Published by Universitas Muhammadiyah Sidoarjo
ISSN : 25408658     EISSN : 25408658     DOI : https://doi.org/10.21070/jeeeu
Core Subject : Engineering,
Electrical & Electronics Engineering
Aim: to facilitate scholar, researchers, and teachers for publishing the original articles of review articles. Scope: Electrical, Electronica, Telecomunication, Medical Electronica, Digital system, Control system.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 2 Documents
 1 
Search results for , issue "Vol 7 No 2 (2023): Oktober" : 2 Documents clear
Design and Development of an Automatic Angklung Robot Based on Microcontroller Agung Rizaldi Wicaksono; Joko Subur; Muhammad Taufiqurrohman
JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Vol 7 No 2 (2023): Oktober
Publisher : Muhammadiyah University, Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/jeeeu.v7i2.1669

Abstract

The angklung is a traditional musical instrument from West Java, Indonesia. It can be played both individually and in groups. Playing the angklung requires precision in terms of tempo, rhythm, pitch, and beats to ensure that the music aligns with the intended song and is enjoyable to listen to. Therefore, not everyone can play the angklung, as it demands skill to achieve the right tempo, pitch, rhythm, and beats. To address this issue, a solution was developed, which involved creating a system and device capable of playing the angklung automatically. In this research, a system was designed to move the angklung automatically, simulating a robot, and it is referred to as the "angklung robot." This angklung robot consists of a set of 16 notes, and the electrical components used include an Arduino Mega 2560 as the microcontroller, a 16-channel relay module, motor drivers, a micro SD module. To play a song, the device uses a score file that has been converted and stored on a micro SD card, adjusting the tempo to match the desired Beats Per Minute (BPM).Through several experiments, the angklung robot successfully played 10 pre-composed songs with a 100% accuracy rate. According to the opinions of 10 music enthusiasts who were surveyed, the level of accuracy in which the angklung robot played the songs was 90%.This innovation brings automation to the traditional art of playing the angklung, making it accessible to a wider audience and ensuring consistent and precise musical performances.
Plastic Optical Fiber as Water-Level Sensor Bakti Dwi Waluyo; Joni Syafrin Rambey; Muhammad Aulia Rahman S
JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Vol 7 No 2 (2023): Oktober
Publisher : Muhammadiyah University, Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/jeeeu.v7i2.1674

Abstract

This research presents a low-cost sensor for measuring liquid levels using plastic optical fibers (POF). The sensor reduces the scattering-based optical losses in the fiber, which increase linearly with the liquid height. A U-bent fiber probe and photodetector are used to detect the change in optical intensity. The U-bent probe serves as a test probe for measuring the liquid level. The voltage response difference of the photodetector provides liquid level measurement. This study demonstrates the sensor's responsiveness to liquid level fluctuations above 55 cm at varying temperatures. Sensitivity levels of 1.4 and 3.3 mV/mm were achieved for water level fluctuations below and above 45 cm, respectively. Furthermore, the sensor demonstrated consistently stable responsiveness over multiple cycles.

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