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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Artificial Intelligence and Engineering Applications (JAIEA) Bumi: Jurnal Hasil Kegiatan Sosialisasi Pengabdian Kepada Masyarakat
Yusuf Eko Rohmadi
Universitas Boyolali
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Materials Science & Nanotechnology Physics Public Health Social Sciences

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Vulnerability Assessment of Vehicle Keyless Entry Systems Using the PTES Methodology Ulil Akbar; Muhammad Abdul Aziz; Donna Setiawati; Yusuf Eko Rohmadi
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.11887

Abstract

The growing adoption of keyless entry systems in motor vehicles introduces new challenges in the security of radio-based communication. This study aims to identify and evaluate the vulnerability level of the keyless entry system on the Honda PCX 150 motorcycle against two types of man-in-the-middle-based attacks: replay attack and relay attack. Using the Penetration Testing Execution Standard (PTES) methodology, the study establishes a seven-stage testing procedure, from pre-engagement to reporting. Experiments were conducted using Flipper Zero as the main device, supported by GNU Radio, Software Defined Radio (SDR), and Universal Radio Hacker (URH). Each type of attack was tested 25 times. The results showed a 44% Success rate for the replay attack and 48% for the relay attack. Further analysis revealed that Success occurred not only on repeated frequencies but also on single-occurrence frequencies, with effectiveness rates of 50% and 45%, respectively. These findings indicate the absence of security mechanisms such as rolling code, time or location-based validation, and frequency hopping, allowing intercepted signals to be accepted by the vehicle. The study concludes that the Honda PCX 150's keyless entry system has significant security gaps, potentially exploitable using passive tools. It recommends the implementation of dynamic authentication mechanisms and cryptographic technologies to enhance the security of vehicular radio signal transmissions.
Design and Implementation of an IoT-Based Automatic Plant Watering System Using ESP32 and the Blynk Platform: prototype metods Qois Ridwan; Yusuf Eko Rohmadi; Muhammad Abdul Azis; Taman Ginting
Journal of Artificial Intelligence and Engineering Applications (JAIEA) Vol. 6 No. 1 (2026): October 2026
Publisher : Yayasan Kita Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59934/jaiea.v6i1.2696

Abstract

Manual watering of potted plants in household-scale gardening is often inconsistent due to limited time and high mobility of plant owners, which can cause water waste or plant stress from irregular care. This study designs and implements an automatic monitoring and control system for plant watering based on the Internet of Things (IoT), using an ESP32 microcontroller and the Blynk platform. The system uses a resistive soil moisture sensor to continuously read real-time soil conditions and applies a threshold-based approach so that irrigation is triggered only when needed, while a manual override is also available via the Blynk mobile application for flexibility. The system was developed using the Prototyping method, allowing iterative design, construction, and evaluation before final deployment. Testing covered soil moisture sensor accuracy, relay and actuator response, Wi-Fi connectivity, and automatic mode operation, followed by an overall functional test and a user satisfaction survey of 30 respondents. The results show that all hardware components and features operated according to specification, and most respondents reported satisfaction with the system's usability and reliability. The developed system offers a practical solution for household plant owners with limited time for manual watering and supports the concept of a sustainable smart home garden.
Membangun Website SDIT Al Mannan Mojosongo Boyolali Menggunakan Metode Waterfall Afilla Nurjayanti; Ni’am Fajri; Mannan Maula; Fahreza Farhan Matahari; Yusuf Eko Rohmadi; Rima Alviani
Bumi: Jurnal Hasil Kegiatan Sosialisasi Pengabdian kepada Masyarakat Vol. 4 No. 4 (2026): Oktober: Bumi: Jurnal Hasil Kegiatan Sosialisasi Pengabdian kepada Masyarakat
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/bumi.v4i4.1845

Abstract

Building the Al Mannan Mojosongo Boyolali Elementary School Website Using the Waterfall MethodThe development of information technology requires educational institutions to provide information media that is organized and easily accessible via the internet. SDIT Al-Mannan Boyolali does not yet have an official website, so the delivery of academic information, school activities, and student achievements still relies on less structured social media. This activity aims to design and build a school website as an official information media through the Teaching Industry program by involving students in the process of needs analysis, interface design, and web-based system development. The system development method used is Waterfall, which includes the stages of literature study, needs analysis, system design, implementation, testing, and implementation and maintenance. The website was developed using HTML, CSS, JavaScript, and PHP, and tested using the Black Box Testing method and usability testing using the System Usability Scale (SUS) method involving 15 respondents. The results of the usability test showed a SUS score of 75.17 which is included in the good and acceptable category, so the website is considered suitable for use. The results of the activity indicate that the developed website is able to present school information systematically, easily accessible, and increase the effectiveness of information delivery and transparency of school information services.
Co-Authors Afilla Nurjayanti Donna Setiawati Fahreza Farhan Matahari Mannan Maula Muhammad Abdul Azis Muhammad Abdul Aziz Ni’am Fajri Qois Ridwan Rima Alviani Taman Ginting Ulil Akbar