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Qoaruddin Qomaruddin
Universitas Muria Kudus
Religion Humanities Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Other

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Design of Arduino-based Overvoltage Type time-lag Relay Aprylianto Susilo, Rizky; Bustani, Bustani; Toyib, Toyib; Qomaruddin, Qomaruddin; Lucky Ziesya, Muhammad; Alfarizza, Rizki; Aditya Yuhendra, Effri
Emitor: Jurnal Teknik Elektro Vol 26, No 1: March 2026
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/emitor.v26i1.13687

Abstract

Abstract - Voltage stability is the main prerequisite for electrical equipment to operate safely and reliably. This research design builds a single-phase protection system against overvoltage conditions. It is based on the Arduino Uno microcontroller with a time-lag relay scheme. The PZEM-004T sensor reliably monitors the input voltage of 80-260 V AC and sends the data using the UART communication protocol to the Arduino for analysis against the 192 V and 231 V thresholds. When the voltage exceeds these limits, the Arduino will automatically trigger a 5 V DC relay after a programmed time delay. This ensures that transient disturbances do not trigger premature disconnection of power. A 16x2 I2C LCD interface and three push-buttons allow users to monitor real-time voltage as well as set overvoltage, time-delay and calibration offset limits. Testing of the design results showed that the system successfully disconnected and connected the load according to the parameters, with a voltage reading error of < 1% after calibration and a trip time deviation below 10% of the set point. The research design, using easily accessible components, effectively teaches the principles of overvoltage protection relays, despite technical limitations. Keywords − overvoltage, time-lag relay, arduino, voltage protection.
Implemetasi Kebijakan Pendidikan Multikultural dalam Membangun Toleransi Qomaruddin, Qomaruddin; Lailiyah, Amanda Fitrotul; Maulidah, Arlinda Inayatul; Hasanah, Uswatun
Quantum Edukatif: Jurnal Pendidikan Multidisiplin Vol. 3 No. 1 (2026): Quantum Edukatif
Publisher : Madiha Press

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Abstract

Meningkatnya tantangan intoleransi dan polarisasi sosial dalam masyarakat multikultural Indonesia memerlukan respon pendidikan yang strategis. Penelitian ini bertujuan untuk menganalisis implementasi kebijakan pendidikan multikultural sebagai fondasi dalam membangun sikap toleransi di lingkungan sekolah. Menggunakan metode studi pustaka (library research) dengan pendekatan deskriptif-kualitatif, penelitian ini menyintesis temuan dari sepuluh jurnal ilmiah kontemporer. Hasil kajian menunjukkan bahwa pendidikan multikultural diimplementasikan secara efektif melalui integrasi kurikulum sistemik pada mata pelajaran PPKn dan Pendidikan Agama Islam, penerapan model pembelajaran interaktif-humanis, serta penciptaan budaya sekolah yang inklusif. Meskipun demikian, hambatan signifikan masih ditemukan, meliputi keterbatasan kompetensi pedagogis guru dalam perspektif multikultural dan kurangnya materi ajar yang representatif. Penelitian ini menyimpulkan bahwa sinergi holistik antara pembuat kebijakan, pendidik, dan masyarakat sangat krusial untuk menginstitusikan nilai-nilai multikultural sebagai upaya preventif konflik sosial sekaligus fondasi keharmonisan bangsa. 
Co-Authors - Supriyono AA Sudharmawan, AA Abdi Sukmono, Abdi ABDUL GHANY Abdur Rohim Abdur Rohim, Abdur Aditya Yuhendra, Effri Afrizal Annas Dzikrullah ahmad hamdani ahmad sirwani Ahmad, Nur Fatih Akhmad Zidni Hudaya Alfarizza, Rizki Amiruddin, Muhammad Afif Aprylianto Susilo, Rizky Arief Laila Nugraha Arif, Syafiqul Arifin, Muh. Aris Saputra, Taufik arrohman, sigit Bustani, Bustani Cahyono, Candra Dwi Candra Dwi Cahyono Danang Abdul Majid Dedy Rustianto Dwi Budi Santoso Dzikrullah, Afrizal Annas Eko Darmanto Fachry Abda El Rahman Fadhilah, Nilna Fatih Fadlillah, Nilna fahresya dwi lutfiyanto Faizi, Achmad Noor Fashfahish Shafhal Jamil Fathurrokhim, Haedar Fatur Rohman Fery Ardyansyah Fiqhiyyah, Nuryatin Ghufron, Hanif Handayani, Priska Amelia Heni Listiana Hera Setiawan Jamhari Jamhari Jamil, Fashfahish Shafhal Joko Pramono Khabib, Masruki Khotimah, Ratri Khusnul Labibah, Luthfia Lailiyah, Amanda Fitrotul Lucky Ziesya, Muhammad Maimun Maimun Majid, Danang Abdul Masruki Kabib Masruki Khabib Maulidah, Arlinda Inayatul Moh Giri Purnomo Ajie Muhammad Afif Amiruddin Muhammad Arifin Muhammad Mishbahul Munir Muhammad Najib Muhammad Raffi Septiawan Munir, Muhammad Mishbahul Nasution, Ali Yusuf Nasution, Ali Yusuf Nisa’, Hamidah Salwa Khoirun Nugroho, Yoga Restu Nur Fatih Ahmad Nur Khofifah, Sinta Nur Wahyudi Okto Dinaryanto Prasetya Aji, Jalu Putri Andini, Putri Ramadhani, Aufar Nur Rianto Wibowo. Ririn Inayatul Mahfudhoh Rochmad Winarso Rofiudin, R Rohmah, Izzana Adlia Rohmatillah, Nely Sa'diyah, Halimah Saputro, Anang Hadi Septiawan, Muhammad Raffi Setyawan, Malik Sigit Nugroho Utomo Slamet Khoeron Solekhan Solekhan Sugeng Slamet Sukma Wijayanti Sutono, Sugoro Bhakti Syafiqul Arif Taufiq Hidayat Toyib, Toyib Uswatun Hasanah Utomo, Sigit Nugroho Wahid, Al Fatur Amin Wiwik Handayani Yoga Restu Nugroho Yuni, Yuni Asparani