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All Journal JRST (Jurnal Riset Sains dan Teknologi) Indonesian Journal of Electrical Engineering and Computer Science KREATIF: Jurnal Pengabdian Masyarakat Nusantara Jurnal Pengabdian Masyarakat Indonesia Journal of Software Engineering and Multimedia (JASMED)
Yudha Islami Sulistya
Telkom University
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Implementasi IoT Untuk Monitoring Pertumbuhan Tanaman Cabai Dengan Sistem Penyiraman Otomatis Di Desa Kembaran Wetan Abednego Dwi Septiadi; Yudha Islami Sulistya; Maie Istighosah; Maryona Septiara; Diovianto Putra Rakhmadani; Agatha Dinarah Sri Rumestri
KREATIF: Jurnal Pengabdian Masyarakat Nusantara Vol. 5 No. 2 (2025): Jurnal Pengabdian Masyarakat Nusantara
Publisher : AMIK Veteran Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/kreatif.v5i2.6901

Abstract

Kembaran Wetan Village is one of the agricultural areas with chili plants as its main commodity. The main problem faced by farmers is the suboptimal irrigation system, which is still done manually and not based on the actual condition of the land. This community service activity aims to design and implement an Internet of Things (IoT) system to monitor chili plant growth and regulate irrigation automatically. The system consists of five soil moisture sensors, one air temperature and humidity sensor, one rain sensor, and a main controller using an ESP32 connected to a web-based platform. The system is equipped with a dashboard displaying real-time data on soil moisture, temperature, and device status, and can be accessed via a smartphone. The activity also involved training for farmers and ongoing support during the implementation phase. The results of the activity demonstrated that the system can accurately measure soil conditions and regulate irrigation according to plant needs. Farmers also showed interest and readiness to operate the equipment independently. This success indicates that the application of appropriate technologies like IoT has significant potential to enhance efficiency and productivity in rural agriculture in a sustainable manner.
Pengembangan dan Implementasi LMS untuk Pengembangan Karir dan Beasiswa Bagi Alumni Serta Peserta Didik Prasejahtera Ariq Cahya Wardhana; Irmayatul Hikmah; Arif Amrulloh; Yudha Islami Sulistya; Christian Felix Saliman Sugiono; Yoga Eka Pratama
JURNAL PENGABDIAN MASYARAKAT INDONESIA Vol. 4 No. 2 (2025): Juni : Jurnal Pengabdian Masyarakat Indonesia (JPMI)
Publisher : Politeknik Pratama Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jpmi.v4i2.5310

Abstract

This community service activity aims to improve access to career and scholarship information for alumni and underprivileged students at SMK Maarif NU 1 Purwokerto through the development and implementation of the Learning Management System (LMS). This LMS is designed as a digital platform that provides job vacancy information, skills training, and scholarship opportunities, supported by interactive features that are easily accessible through a Flutter-based mobile application and API integration from Moodle. The development process is carried out through five stages, namely identification of needs, system development, program implementation, monitoring and evaluation, and sustainability planning. The results of the usability test showed a score of 79.88 with a grade A, indicating that the system has a high level of ease of use. This program not only provides applicable technological solutions, but also strengthens students' readiness to face the world of work and further education independently and sustainably
Decision Support System for New Employee Recruitment Using Profile Matching and Preference Ranking Organization Method for Enrichment Evaluation (PROMETHEE) Method Elsi Titasari Br Bangun; Retantyo Wardoyo; Yudha Islami Sulistya; Bayu Anugerah Putra; Fauzan Azim
JRST (Jurnal Riset Sains dan Teknologi) Volume 9 No. 2 September 2025: JRST
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/jrst.v9i2.23640

Abstract

This research focuses on the challenges of recruiting new employees at Perumdam Tirta Siak Pekanbaru, which often involves time-consuming procedures and is prone to subjective bias. The main objective is to develop a decision support system using the profile matching and Preference Ranking Organization Method for Enrichment Evaluation (PROMETHEE) methods to enhance the efficiency and effectiveness of HRD in selecting the best candidates. Profile matching is used to assess applicant competency with company criteria, while PROMETHEE determines the priority order of candidates. The data collected and analyzed includes assessment criteria and user feedback. The conclusion confirms the effectiveness of the system in setting assessment parameters accurately and minimizing subjective bias. The system shows high flexibility in adapting to changing assessment parameters and candidates. Test results show the system is capable of producing consistent and reliable employee ratings, making it a valuable tool in recruitment at Perumdam Tirta Siak. Its implementation is expected to bring the company closer to its long-term strategic goals and strengthen the decision-making process for recruiting new employees.
A smart-contract framework for patient identity management in digital health platforms Cahyo Prihantoro; Dany Candra Febrianto; Maie Istighosah; Ahmad Uffi Lestrasi Ma’ruf; Angger Taufiqur Rohman Winarno; Yudha Islami Sulistya
Indonesian Journal of Electrical Engineering and Computer Science Vol 41, No 3: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v41.i3.pp1025-1039

Abstract

Asmart-contract framework for patient identity management in digital health platforms. A major gap in current digital health ecosystems is the absence of a portable and verifiable patient identity layer across fragmented electronic health record (EHR) systems. The problem addressed is the lack of a portable, verifiable, and patient-centric identity layer across fragmented electronic health record systems, which weakens access accountability and privacy. The proposed solution couples fast healthcare interoperability resources (FHIR) with self-sovereign identity (SSI), storing FHIR payloads off-chain in the InterPlanetary file system (IPFS) and committing only encrypted pointers and policies on Polygon smart contracts. Patient identifiers and content addresses are protected with AES-256 GCMauthenticated encryption and elliptic-curve key wrapping (ECIES) for both the healthcare administrator and the patient. A web implementation in Next.js using thirdweb automates wallet creation, keystore handling, encryption, and on-chain commits. In evaluation with 50 synthetic registrations, success reached 100 percent, median end-to-end latency was 5.86 seconds, mean on-chain latency 3.77 seconds, average transaction fee 0.0401 POL/MATIC, encryption time 13.9 milliseconds, and all decryptions validated. The results indicate practical feasibility for portable identity and auditable access, with on-chain latency as the main bottleneck to be reduced through batching, cheaper layers, and broader field trials. However, this study is limited because the evaluation uses only synthetic data and singleprovider testing, without real-world patients or multi-institutional environments. Zero-knowledge proofs (ZKP) are discussed conceptually as future integration and are not implemented or benchmarked in this work.
The Effect of Vibe Coding on the Programming Skills of Beginner and Advanced Students at Telkom University Purwokerto Novita Syahwa Tri Hapsari; Rifki Adhitama; Yudha Islami Sulistya
Journal of Software Engineering and Multimedia (JASMED) Vol. 4 No. 1 (2026): Journal of Software Engineering and Multimedia (JASMED)
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/jasmed.v4i1.11260

Abstract

The growing use of generative AI has introduced vibe coding as a new programming approach in higher education, but its varying impacts on students’ experience levels have not yet been extensively explored in the Indonesian context. This study investigates whether vibe coding affects programming competencies differently between early-stage and advanced-stage students in the Software Engineering Program at Telkom University Purwokerto. A comparative design with a mixed-methods approach was used, involving 30 respondents: 15 early-stage students (Semester 4) and 15 advanced-stage students (Semester 6). Data were collected via a five-point Likert-scale questionnaire measuring the intensity of vibe coding (Section B) and perceptions of programming competence (Section C), supplemented by a prompt quality rubric validated by faculty members based on a case study of a circular single-linked list. Quantitative analysis employed Spearman’s rank correlation and the Mann-Whitney U test, while qualitative findings from the rubric were triangulated with questionnaire results. The results indicate that advanced-level students have a significantly higher coding vibe intensity (U = 57.5; p = 0.023), while beginner-level students report a significantly higher perceived ability (U = 39.0; p = 0.002). The Spearman test yielded a non-significant negative correlation in both groups, with the final-year group showing a moderate trend (rs = −0.50). No significant differences were found in prompt output quality between groups (U = 92.0; p = 0.400), and triangulation revealed inconsistencies between perceived ability and actual output quality. These findings indicate that vibe coding without structured instructional guidance has the potential to widen the gap between perceived and actual programming competence, underscoring the need for the explicit integration of prompting literacy into the programming curriculum.
Co-Authors Abednego Dwi Septiadi Agatha Dinarah Sri Rumestri Ahmad Uffi Lestrasi Ma’ruf Angger Taufiqur Rohman Winarno Arif Amrulloh Ariq Cahya Wardhana Bayu Anugerah Putra Cahyo Prihantoro Christian Felix Saliman Sugiono Dany Candra Febrianto Diovianto Putra Rakhmadani Elsi Titasari Br Bangun Fauzan Azim Irmayatul Hikmah Maie Istighosah Maryona Septiara Novita Syahwa Tri Hapsari Retantyo Wardoyo Rifki Adhitama Yoga Eka Pratama