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All Journal Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Malikussaleh Journal of Mechanical Science Technology
Oganda, Decut Della
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Implementation of IoT in the Design of Arduino-Based Solar Panel Monitoring System Karyadi, Karyadi; Nanda, Rizki Aulia; Tukino, Tukino; Suhara, Ade; Amalia, Amalia; Patya, Dhea Intan; Oganda, Decut Della
Malikussaleh Journal of Mechanical Science and Technology Vol. 9 No. 1 (2025): Malikussaleh Journal of Mechanical Science and Technology (MJMST)
Publisher : E-Journal Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/mjmst.v9i1.21790

Abstract

In order to develop literature studies on this research, solar panel monitoring systems to track the efficiency of solar energy conversion processes into electrical energy have been developed. The aim of this study was to build an IOT monitoring system on a mini solar panel to examine the impact of storing data in a microcontroller or IOT manner on the Thingspeak website. However, in this study, the same research was conducted, the difference being the use of a mini solar panel with a voltage capacity of 5V and a current of 60mA with a series or parallel assembly to obtain a voltage in the process of charging a 12V battery and a current of 5Ah. When using circuit design techniques, creating connectivity testing tools, data comparison, data processing, and finally, the test results, data is generated in the form of voltage, current, and power. The test results show that data storage using the microcontroller is faster than data storage using the IOT, which is due to the slow wifi signal speed. The error trend between the IOT and microcontroller from 10:00 to 11:00 o'clock decreased from the difference of 0.563 watts to 0.011 watts, indicating that the storage error between the IOT and the microcontroller is not too bad.
ANALYSIS OF COFFEE ROASTING PROCESS IMPROVEMENT AT SMALL COFFEE USING SEVEN TOOLS AND TRIZ METHOD Siswanto, Anggoro Lanjar; Fariza, Amelia Nur; Oganda, Decut Della
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 4 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i4.3132

Abstract

This study aims to improve the quality of the coffee roasting process at Small Coffee, an MSME located in Cikarang, by applying the TRIZ (Theory of Inventive Problem Solving) method and the Seven Tools of Quality Control. The roasting process often faces defects in coffee beans, such as unripe, broken, and burnt beans, which reduce product quality and customer satisfaction. To determine the root causes and influencing factors, the study utilized a fishbone diagram, affinity diagram, and scatter diagram. These tools helped identify critical process inefficiencies and quality issues. Subsequently, the TRIZ method was employed to propose innovative solutions that resolve contradictions in the roasting process without creating new problems. The proposed improvements are expected to enhance process efficiency, lower the defect rate, and ensure consistent product quality. Moreover, the implementation of these solutions provides tangible benefits for Small Coffee and serves as a model for other MSMEs in the coffee industry aiming to boost their competitiveness and long-term sustainability. This research highlights the synergy between systematic problem-solving tools and innovation frameworks in optimizing small-scale industrial processes.
Co-Authors Amalia Amalia Fariza, Amelia Nur Karyadi Karyadi Nanda, Rizki Aulia Patya, Dhea Intan Siswanto, Anggoro Lanjar Suhara, Ade Tukino, Tukino