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Development of an Arduino-Based Microcontroller System to Maintain Temperature Stability in the Plastic Waste Pyrolysis Process Siahaan, Enzo Wiranta Battra; Sitanggang, Hodmiantua; Sidabutar, Rotama Arifin
TEKNIK Vol 46, No 3 (2025): Juli 2025
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i3.71892

Abstract

This study aims to develop and evaluate a temperature monitoring and control system for a plastic pyrolysis model operating within the temperature range of 400–500 °C. The system is designed using a microcontroller to read signals from 4 thermocouples placed at various points within the pyrolysis chamber. The collected temperature data are processed, displayed on an LCD screen, and stored on an SD card. Temperature control is carried out using a potentiometer, while data logging is managed through push-button switches. An electric heater is used as the heat source, controlled by a relay, and temperature readings are calibrated using a commercial thermometer to ensure accuracy. The test results indicate that the system is capable of consistently monitoring and maintaining temperatures within the specified range. Although temperature variations were observed at different measurement points, the system generally demonstrated good performance in temperature control. The system effectively approached the target temperature, though temperature deviations were still influenced by heating rate and thermocouple characteristics. Additionally, the observed uneven temperature distribution highlights the need for improvements in the heating system design to enhance thermal uniformity within the pyrolysis chamber.
Pemberdayaan Ekonomi Produktif Warga Binaan Lapas Kelas II A Labuhan Ruku Melalui Program Pelatihan Teknik Dasar Pengelasan Battra Siahaan, Enzo Wiranta; Sitanggang, Hodmiantua; Sidabutar, Rotama Arifin
JPM: Jurnal Pengabdian Masyarakat Vol. 6 No. 2 (2025): October 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jpm.v6i2.2670

Abstract

This community service program aims to improve the technical skills and job readiness of inmates at Class IIA Labuhan Ruku Prison through basic welding training. The training method applied a combination of hands-on practice, lectures, and intensive mentoring, involving 20 participants, most of whom had no prior welding experience. The results indicated a significant improvement in participants’ technical skills, motivation, and self-confidence, with 90% of them successfully performing basic welding independently. Participants’ satisfaction with the program was also high, with an average score of 4.5 out of 5. The limitation of this program lies in its short duration and the absence of official certification as a formal recognition of participants’ skills. The absence of formal certification limits participants’ access to directly enter the industrial labor market, thus the outcomes of the training are more optimally directed toward strengthening economic independence through small welding workshops or ent
Performance Analysis of Horizontal Shaft Wind Turbine Through Blade Design Modification Siahaan, Enzo W B; Sidabutar, Rotama Arifin; Sitanggang, Hodmiantua
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 1 (2024): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i1.24912

Abstract

The objective of this study is to investigate the performance of a horizontal shaft wind turbine model with variations in blade shapes. The focus of the research lies in examining the impact of different blade shapes, specifically the curved shape, inverted linear taper, and rectangular shape measuring 8 cm x 20 cm at a 200 tilt angle. The experiments are conducted at various wind speeds: 7, 8, 9, 10, and 11 m/s. The findings reveal that changes in blade shape significantly influence the operation of the horizontal shaft wind turbine. The Brake Horse Power (BHP) reaches its maximum with a rectangular blade shape, achieving 1.1 watts at a wind speed of 11 m/s and a corresponding torque of 0.0221 Nm. Additionally, the highest efficiency is attained with the rectangular blade shape at a wind speed of 7 m/s, reaching 21%.