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All Journal Journal on Mathematics Education (JME) Journal on Mathematics Education (JME) Jurnal Pendidikan Matematika RAFA Delta-Pi : Jurnal Matematika dan Pendidikan Matematika AKSIOMA E-Dimas: Jurnal Pengabdian kepada Masyarakat Jurnal Edukasi: Kajian Ilmu Pendidikan EDUPEDIA JURNAL PENDIDIKAN MATEMATIKA Vygotsky: Jurnal Pendidikan Matematika dan Matematika Jurnal Riset Pendidikan dan Inovasi Pembelajaran Matematika (JRPIPM) Jurnal Layanan Masyarakat (Journal of Public Service) Prosiding Conference on Research and Community Services Inovasi Matematika (Inomatika) Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal PADI (Pengabdian mAsyarakat Dosen Indonesia) Jurnal Pendidikan dan Pengabdian Masyarakat MATHEdunesa Mathematics Education Journal Journal on Mathematics Education
Dhany Fachrudin, Achmad
Pendidikan Matematika, STKIP PGRI Sidoarjo
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Social Sciences Other

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Budidaya Buah dengan Memanfaatkan Lahan Pematang Tambak di Desa Sawohan untuk Meningkatkan Kesejahteraan Warga Widadah, Soffil; Fachrudin, Achmad Dhany; Kusumawati, Intan Bigita
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 11, No 2 (2020): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v11i2.2806

Abstract

KKM-PPM (Kuliah Kerja Nyata Pembelajaran Pemberdayaan Masyarakat) di desa Sawoan kecamatan Buduran bertujuan untuk meningkatkan kesejahteraan masyarakat yang sebagian besar berprofesi sebagai buruh tambak. Berbeda dengan pematang tambak yang ada di desa lain, pematang tambak di desa Sawohan lebarnya 4-8 meter. Pematang tambak tersebut dapat dimanfaatkan untuk budidaya buah-buahan. Buah mentimun emas dan buah blewah dipilih untuk dibudidayakan karena jenis buat tersebut bisa bertahan di daerah panas dan lebih baik hasilnya apabila disiram dengan air asin. Salah satu keuntungan membudidayakan mentimun emas dan blewah di pematang tambak adalah permukaan pematang tambak yang miring sangat menguntungkan sebagai aliran air hujan karena buah mentimun emas dan blewah merupakan jenis buah-buahan yang tidak tahan dengan air hujan. Untuk memberikan ketahanan mentimun emas dan blewah terhadap cuaca ekstrim di tambak dibuat green house sebagai percobaan. Sistem pengairan yang digunakan bersumber dari air sungai dengan tujuan untuk meringankan petani. Metode pelaksanaan KKN-PPM ini dimulai dengan mengundang petani berpengalaman untuk memberikan pembekalan kepada mahasiswa. Selanjutnya pelaksanaan dan praktek tanam di tambak serta memberikan pendidikan kepada warga desa dengan melalui sosialisasi dan seminar. Kemudian warga desa dimotivasi untuk dapat mempraktekkan budidaya buah-buahan di pematang tambak. Melalui kegiatan ini kesejahteraan masyarakat desa Sawohan kecamatan Buduran kabupaten Sidoarjo dapat ditingkatkan. Dari kegiatan KKN-PPM ini diperoleh model dan sistem budidaya buah-buahan di pematang tambak, keahlian warga tambak untuk budidaya buah-buahan pada pematang tambak, dan produk berupa buah-buahan yang bisa secara berkala dihasilkan oleh warga.
Facilitating Students’ Multiple Intelligences through RME: A Learning Trajectory of Volume and Surface Area Measurement Ahmad Wachidul Kohar; Achmad Dhany Fachruddin; Soffil Widadah
Jurnal Inovasi Matematika Vol 3 No 1 (2021): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1011.011 KB) | DOI: 10.35438/inomatika.v3i1.248

Abstract

This is a design research which aims to describe the learning trajectory of volume and surface area of rectangular prism by considering the involvement of the multiple intelligences-based activities within the realistic mathematics education (RME) learning activity. A total of 39 students of grade five at an elementary school in Sidoarjo, Indonesia were involved in teaching experiment phase. By collecting data through documentation, interviews, and classroom observations, the Hypothetical Learning Trajectory which was developed in pilot experiment was then revised to get a revised learning trajectory reported in this paper. Such a revised learning trajectory are the learning activities around drawing the nets of cube and cuboids through rolling activity, comparing surface are and volume of two models with different sizes, finding surface area using the constructed nets, building miniature buildings using cube unit model, predicting the number cube units in a box, constructing various models of cuboids to various sizes using particular number of cube units, rearranging a number of cube units arrangements with different layers to get different volume and surface area, and comparing the volumes of two rectangular prism made from the same rectangular model of paper. Lastly, at the ‘formal level’ students developed their informal knowledge into formal concepts of volume and surface area of rectangular prism, which in this case is cuboid and cube.
Rancang Bangun Sistem Proteksi Otomatis pada Generator Turbin Gas dari Arus Berlebih dan Drop Tegangan Guna Meningkatkan Keandalan Operasional I Made Dody Permana; Antonius Edy Kristiyono; Achmad Dhany Fachrudin
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.8258

Abstract

Gas turbine generators play an important role in providing electrical energy, especially in the maritime sector, but they are vulnerable to disturbances such as overcurrent and undervoltage, which can cause equipment damage. This study aims to design and test an automatic protection system based on the ESP32 microcontroller with the INA219 sensor to detect current and voltage, as well as a relay as a circuit breaker. The method used is an experimental approach including static and dynamic testing, both with and without a 5W AC lamp load as a simulation of real loading conditions. Test results show that the average sensor reading error is 2.65% for current and 1.76% for voltage, which is still within the ±3% tolerance limit. The system is able to disconnect the load when any parameter exceeds the protection threshold, although there are slight inconsistencies in the relay response due to sensor reading fluctuations. In conclusion, this automatic protection system is proven to be 85% accurate and responsive in maintaining the operational reliability of the gas turbine generator, making it applicable as a preventive solution against electrical disturbances in marine environments.
Co-Authors ., Abadi ABADI Abadi Abadi Achmad Dhany Fachruddin Antonius Edy Kristiyono Azmiyah, Faikotul Darmawijoyo, Darmawijoyo dewi sukriyah Dwi Juniati Eka Nurmala Sari Agustina, Eka Nurmala Sari endang wahju andjariani Endang Wahju Andjariani Hardiyanti, Yulia Tria I Made Dody Permana Imil Hidayati Intan Bigita Kusumawati Intan Bigita Kusumawati Intan Bigita Kusumawati Intan Bigita Kusumawati, Intan Bigita Irfan, Saiful Lailatul Mubarokah Lailatul Mubarokah M. Rochim Manuharawati Noor Mayaminiy Maulidah Novitasari Novitasari NURINA AYUNINGTYAS Pebruariska, Arctin Ratu Ilma Ratu Ilma Indra Putri Rochim, M. Shaidhah Shaidhah Shaidhah, Shaidhah Siti Khabibah siti nuriyatin Siti Nuriyatin SITI NURIYATIN SOFFIL WIDADAH soffil widadah Soffil Widadah Soffil Widadah Soffil Widadah Soffil Widadah, Soffil Tika Septia Vigih Hery Kristanto Zaenal Riva'i Zulkardi