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All Journal Journal of Energy and Electrical Engineering (JEEE) Jurnal Instrumentasi dan Teknologi Informasi (JITI)
Arif Cahyono, Muhammad Ridwan
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Design of an Internet Of Things-Based Air Quality Monitoring Tool Using Microcontroller and MQ-135 Sensor Tianto, Akbar Waqis; Ramandha, Raina Putri; Firdaus, Reikhan; Firmansyah, Zidan Inov; Arif Cahyono, Muhammad Ridwan
Journal of Energy and Electrical Engineering Vol 7, No 1: October 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v7i1.14162

Abstract

Poor air quality caused by industrial pollution poses a significant challenge for the Politeknik Gajah Tunggal campus, located in Tangerang's industrial area. To address this issue, this study developed an Internet of Things (IoT) based air quality monitoring device utilizing an Arduino Uno microcontroller, ESP-8266, and MQ 135 sensor. The device detects various pollutants, including CO, CO2, and other harmful gases, with real-time data displayed through a Kodular based application. Tests conducted under various air conditions demonstrated the device's high accuracy in pollutant detection. Indoor air tests recorded an average of 42 ppm (good category), while outdoor air tests averaged 48 ppm (good category). Exposure to cigarette lighter gas produced a maximum value of 880 ppm (severe category), and burning paper smoke yielded an average of 295 ppm (poor category). Consistency between the LED P10 display and the Kodular application results reached 100%. Overall, the device delivers quick and accurate air quality information, enhancing user awareness by up to 90%, as indicated by post-implementation surveys .
Rancang Bangun Powder Pass Machine Menggunakan Sistem Kontrol Inverter Arif Cahyono, Muhammad Ridwan; Avicena Pambudi, Javandish; Suharyanti
Jurnal Instrumentasi dan Teknologi Informasi (JITI) Vol. 6 No. 1 (2024): November
Publisher : Prodi D3 Teknik Elektronika Politeknik Gajah Tunggal

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Abstract

Construction of a powder pass machine with an inverter control system to enhance the efficiency of powder application in cable production. The machine is designed to evenly distribute powder onto cables, using a 3-phase AC motor controlled by a Toshiba VF-S15 inverter to regulate the rotation speed. The tool's design includes a frame made of UNP steel, a screw conveyor, and a control system with a selector switch, pilot lamp, and potentiometer. The manufacturing process involves utilizing existing materials in the factory and installing electronic components such as MCB and inverter. Testing was conducted on the IS-17 machine at PT XYZ, cable production department, to ensure the machine operates according to specifications and achieves the desired results. The results demonstrate that the machine efficiently and consistently distributes powder, improving the quality of cable production.
Co-Authors Avicena Pambudi, Javandish Dwi Saputro, Rifki Ridho Firdaus, Reikhan Firmansyah, Zidan Inov Ramandha, Raina Putri Suharyanti Tianto, Akbar Waqis