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All Journal JMECS (Journal of Measurements, Electronics, Communications, and Systems) Abdimas Indonesian Journal
Adiwidya, Andre Suwardana
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Religion Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences

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Measurement of Motor Vehicle Emissions Based on Low-cost Sensors Kurniawan, Michelle; Ardiles, Sopaheluwakan Alesandro; Adiwidya, Andre Suwardana; Ummi, Annisa Zahwatul; Halinda, Maulana Fauzan Athalla; Okthaviany, Indah Cikal Al Gyfary; Gajah, Deni Ali Marwan; Hidayat, Putri Naila Alyana; Lalintia, Irvin Judah; Kampong, Prichel Adisatya; Salam, Rahmat Awaludin; Chandra, Indra
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol. 10 No. 2 (2023): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i2.6002

Abstract

One of Indonesia's primary causes of air pollution is the significant level of human activity, particularly the continued use of fossil-fuel-powered vehicles. The incomplete combustion of fossil fuels can lead to gas and particle pollutants forming, impacting the environment. However, the instruments utilized for detecting environmental pollutants are relatively expensive. Therefore, motor vehicle emission tests use low-cost sensors with parameters such as CO, CO2, NO2, PM2.5, temperature, and RH. The flow rate measures the emission gas flow extracted from a vehicle's exhaust into the testing chamber and then released into the air for disposal. The flow rate utilized in these tests ranges from 12 to 15 lpm. The tests are conducted over 10 minutes to ensure accuracy, obtaining average readings for the measured parameters. For the measurement results using a low-cost sensor, the average value for CO is 383.891 ppm, NO2 is 10.7237 ppm, CO2 is 5,254 ppm, PM2.5 is 50.25 ?g/m3, temperature and RH is 28.9 °C and 76%. The official test results obtained a CO value of 1,200 ppm, CO2 of 140,000 ppm, and a temperature of 80 °C. This difference is because the reading range of low-cost sensors is relatively small but has a stable data trend.
Analysis of Spatio-temporal PM2.5 and CO2 Concentrations Distribution with PSCF in the Greater Bandung Air Basin Adiwidya, Andre Suwardana; Aziz, Reza Mochamad; Afryan, Muhammad Beno; Alexandra, Tania Christiana; Permadi, Mario Gilang; Jannah, Nur Rawdotul; Amalia, Dini Rizqi; Sopian, Nur Putri Megalia; Lee, Vivian; Salam, Rahmat Awaludin; Chandra, Indra
JMECS (Journal of Measurements, Electronics, Communications, and Systems) Vol. 10 No. 1 (2023): JMECS
Publisher : Universitas Telkom

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jmecs.v10i1.6003

Abstract

The limitations of expensive main monitoring stations can be addressed by using low-cost sensor-based measuring stations. A low-cost sensor-based air quality monitoring system has been implemented in Telkom University, BRIN Pasteur, and BRIN Taman Sari areas to measure PM2.5 and CO2 concentration in Bandung vertically and horizontally. Vertically, the CO2 concentration at the highest measuring station is indirectly affected by local activities. However, PM2.5 concentration is still influenced by local actions. Horizontally, using the independent T-test and ANOVA, PM2.5 concentrations tended to be homogeneous regarding the significance values in the four periods, namely 0.916, 0.03, 0.727, and 0.047. Meanwhile, the concentration of CO2 at each station tends to be heterogeneous along significance values of 0.646, 0.03, 0.02, and 0.01. The vertical and horizontal analysis shows that CO2 concentrations tend to be heterogeneous due to differences in altitude and spatial characteristics of the measurement sites. Meanwhile, PM2.5 tends to be more homogeneous by having the same pattern at different heights and spatial locations. The long-distance potential sources of PM2.5 are estimated to come from the Indian Ocean and Cirebon region because they have the highest PSCF and CWT values, 0.5-0.7 and 55-65 µg/m3.
Fostering Early Interest in Electrical Engineering Through the Electro Goes to School (EGOTS) 2025 Initiative Anugrah, Anggi; Ghifari, Arsenio; Alimin, Zenisya Annelia; Adiwidya, Andre Suwardana; Santoso, Subekti Ari
Abdimas Indonesian Journal Vol. 6 No. 1 (2026)
Publisher : Civiliza Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59525/aij.1520

Abstract

In the era of rapid technological advancement, a comprehensive understanding of fundamental electronic concepts has become indispensable for students to address future scientific and industrial challenges. In response to this need, the Electrical Engineering Student Association of Universitas Pembangunan Nasional “Veteran” Jakarta (HMTE UPNVJ) organized a community outreach program entitled Electro Goes to School (EGOTS) 2025. The event, conducted on September 26, 2025, was attended by 70 students from grades 11 and 12 of SMAN 82 Jakarta. The program comprised a semi–talk show presentation introducing the fundamentals of Electrical Engineering, including the department’s three concentrations, core academic courses, and professional career pathways. Furthermore, a project demonstration session was conducted in collaboration with three Student Study Groups (KSM), which are Ecovoltech KSM, Internet of Things (IoT) KSM, and Mechatronics KSM. The overall survey results of the EGOTS event showed positive feedback with a score of very good by 35 (54%) participants, good by 26 (40%) participants, quite good by 3 (5%) participants, and not good by 1 (1%) participant. This activity successfully enhanced participants’ understanding of electrical engineering principles and inspired greater motivation to pursue advanced studies in the discipline.
Co-Authors Afryan, Muhammad Beno Alexandra, Tania Christiana Alimin, Zenisya Annelia Amalia, Dini Rizqi Anugrah, Anggi Ardiles, Sopaheluwakan Alesandro Aziz, Reza Mochamad Gajah, Deni Ali Marwan Ghifari, Arsenio Halinda, Maulana Fauzan Athalla Hidayat, Putri Naila Alyana Indra Chandra Jannah, Nur Rawdotul Kampong, Prichel Adisatya Kurniawan, Michelle Lalintia, Irvin Judah Lee, Vivian Okthaviany, Indah Cikal Al Gyfary Permadi, Mario Gilang Rahmat Awaludin Salam Santoso, Subekti Ari Sopian, Nur Putri Megalia Ummi, Annisa Zahwatul