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Hamdan Gani
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UPPM Politeknik ATI Makassar Gedung UPPM Politeknik ATI Makassar, Jl. Sunu No. 220, Kota Makassar
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JEAT : Journal of Electrical and Automation Technology
Published by Politeknik ATI Makassar
ISSN : 28300939     EISSN : 28300939     DOI : -
Core Subject : Science, Engineering,
Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Mechanical Engineering
JEAT : Journal of Electrical and Automation Technology adalah jurnal ilmiah blind peer review yang menerbitkan artikel dalam bidang yang meliputi Teknologi Otomasi, Kontrol, Elektronika, Komputer, Listrik, Energi dan Mekatronika.
Arjuna Subject : Teknik (semua kategori) - Teknik Kontrol dan Sistem
Articles 43 Documents
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Design and Development of a Remote Electric Load Control System Based on the Internet of Things (IoT) for Energy Savings Mulky, Ikram; Mutmainnah; Insan Asry, Asyraful
JEAT : Journal of Electrical Automation Technology Vol. 4 No. 1 (2025): JEAT : Journal of Electrical and Automation Technology
Publisher : UPPM Poltek ATI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61844/jeat.v4i1.1202

Abstract

Unsupervised electricity usage can lead to energy waste and increased billing costs. To address this issue, a system capable of effectively monitoring and controlling electrical loads is needed. This study presents the design and development of a remote electrical load monitoring system based on the Internet of Things (IoT) for energy savings, utilizing an ACS712 current sensor, a ZMPT101B voltage sensor, and a relay module as the main components. Load control is carried out via a Telegram application equipped with a cost estimation notification feature as well as overload alerts when the voltage exceeds 250 V or the current surpasses the predefined limit. Testing results show that the measurement accuracy reaches over 94% for voltage and 96% for current, with a total daily energy consumption of five devices amounting to 1.168 kWh and a cost of IDR 1,600.71. This system has proven capable of improving energy efficiency, minimizing waste, and simplifying the process of monitoring and controlling electrical loads.
Design and Construction of An IoT-Based Automatic Wood Cutting Calculation System on A Table Saw Putra, Yufran; Arisandi, Riyan; Muchtar, Masjono; Tri Budi Utami, Atikah
JEAT : Journal of Electrical Automation Technology Vol. 4 No. 1 (2025): JEAT : Journal of Electrical and Automation Technology
Publisher : UPPM Poltek ATI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61844/jeat.v4i1.1203

Abstract

Precise wood cutting is essential in the woodworking industry to maintain product quality and optimize raw material usage. This study aimed to design and implement an automatic wood cutting counter system based on the Internet of Things (IoT) for a table saw machine. The system utilized a TCRT5000 infrared sensor to detect cut pieces, an ESP32 microcontroller as the data processor, and the Blynk platform for smartphone-based monitoring. The design process was divided into two main stages: hardware assembly and software development using the Arduino IDE. The system was tested by comparing its counting results to manual calculations. The test results indicated that the system successfully counted wood pieces and displayed real-time data through the Blynk application. This automated system reduced human error in production monitoring and supported the digitalization of woodworking processes. The findings suggest that this approach can improve production efficiency, provide affordable implementation in small to medium-scale industries, and serve as a reference for further IoT applications in woodworking environments.Keyword:Table Saw; TCRT5000; IoT; ESP32; Blynk
Design and Development of a Coconut Milk pH Monitoring System via WhatsApp Notifications at PT. Sasa Inti Minahasa Selatan Wetenriajeng Sidehabi, Sitti; Mahdali, Al; Tri Antono, Fadlan
JEAT : Journal of Electrical Automation Technology Vol. 4 No. 1 (2025): JEAT : Journal of Electrical and Automation Technology
Publisher : UPPM Poltek ATI Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61844/jeat.v4i1.1231

Abstract

The quality of coconut milk is a crucial aspect in the production process at PT Sasa Inti Minahasa Selatan. Manual quality assessments of coconut milk often consume time and may lead to inaccuracies. To address this issue, this study aims to design and develop a pH monitoring system for coconut milk that can automatically send notifications via WhatsApp. The system uses a pH sensor connected to a microcontroller to monitor the pH level of the coconut milk in real-time. The pH data obtained is processed by the microcontroller and sent via API to the WhatsApp application when the pH level falls outside the predefined range. Test results indicate that the system can accurately measure pH levels and send timely notifications, allowing operators to take corrective actions quickly. The implementation of this monitoring system is expected to improve the efficiency of coconut milk quality monitoring and reduce the risk of defective products, thereby positively contributing to the overall production quality at PT Sasa Inti Minahasa Selatan.

Page 5 of 5 | Total Record : 43

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