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All Journal Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal Pengabdian Masyarakat AbdiMas Vokasi UNESA Bulletin of Engineering, Technology and Applied Science
Nur’ainingsih, Dyah
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Computer Science & IT Education Electrical & Electronics Engineering Engineering Mechanical Engineering Transportation

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PENDAMPINGAN, PENYULUHAN, TIPS DAN TRIKS PERTANIAN PERKOTAAN DI WILAYAH RT 10/ R03 KELURAHAN TIRTAJAYA KECAMATAN SUKMAJAYA KOTA DEPOK Setiyono, Setiyono; Nur’ainingsih, Dyah; Purnomo, Joko
Jurnal Pengabdian Masyarakat AbdiMas Vol 10, No 03 (2024): Jurnal Pengabdian Masyarakat Abdimas
Publisher : Universitas Esa Unggul

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47007/abd.v10i3.7296

Abstract

Aktifitas pengabdian masyarakat (Abdimas) ini bermaksud untuk mengedukasi pengetahuan tentang trik dan tips bertani di lahan perkotaan yang baik kepada kelompok masyarakat tani Drangrang di wilayah RT10/RW03 tirtajaya sukmajaya kota depok. Metode yang digunakan adalah diskusi dan wawancara terkait pengolahan lahan wilayah sempit untuk diberdayakan menjadi nilai yang lebih bermanfaat bagi warga dan lingkungan. Tiga orang narasumber memaparkan tentang masalah ketahanan pangan, kiat kiat bertanam tanaman herbal atau obat, dan budidaya lebah madu trigona untuk kesehatan. Hasil yang diperoleh masyarakat khususnya kelompok tani Drangrang sangat antusias dan semangat hingga muncul banyak tanya jawab pada sesi diskusi. Kegiatan ini perlu diteruskan pada event event selanjutnya agar kemandirian pangan dan kesehatan lingkungan dapat terwujud. 
Design of Fir Digital Bandpass Filter with Hamming Window and Hanning Window Method for Fetal Doppler Siswono, Hartono; Widyastuti, Widyastuti; Dovan, Yohanes; Nur’ainingsih, Dyah
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol. 9 No. 4 (2023): December
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v9i4.26849

Abstract

Fetal heart rate using Doppler Ultrasound is a standard method to assess fetal health. Examination of the fetal heart with a Doppler device is more convenient for women. Fetal Doppler can accidentally take the mother's heartbeat. A filter is needed to enhance the audibility of fetal heartbeats while suppressing unwanted frequencies and noise. The normal fetal heart rate ranges from 120 to 160 beats per minute, or 2 Hz - 3 Hz. This frequency can be filtered using a bandpass filter. the digital FIR bandpass filter were created using the Hamming and Hanning window methods. The results of the FIR filter with the Hamming and Hanning window, Orde 100 Hanning gave the best frequency bandwidth range which was 1.833 Hz to 3.167 Hz. Orde 20 Hamming and Hanning had the shortest delay +- 2 s and Orde 100 Hamming and Hanning had the longest delay +- 6s. For the noise at 1.6 Hz, Orde 100 Hamming and Orde 100 Hanning the signal level of the signal output is the same as the desired signal level. For the noise at 3.1 Hz, Orde 100 Hamming and Orde 100 Hanning had the signal level of the signal output is almost the same as the desired signal level. At the frequency point of 1.6 Hz, the noise signal at the input has a magnitude response 2533, it is a decrease after passing through the filter to = 0. At the frequency point of 3.1 Hz, the noise signal at the input has a magnitude response 2246, and there is a decrease after passing through the filter to 167.7. From this study, we can choose 100 orde Hanning because it gave the best frequency bandwidth range which was 1.833 Hz to 3.167 Hz, the delay of +- 6s.
Design and Control of a Seaweed Dryer Prototype using a Hybrid Power Source setiyono, setiyono; Syahrul, Elfitrin; Nur’ainingsih, Dyah
Vokasi Unesa Bulletin of Engineering, Technology and Applied Science Vol. 3 No. 1 (2026): (In Progress)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v3i1.44016

Abstract

This study presents the design and control of a seaweed dryer prototype powered by a hybrid energy source combining wind and photovoltaic (PV) systems. The prototype is developed to improve the efficiency and sustainability of seaweed drying processes in coastal and remote areas with limited grid access. The control system integrates several sensors and switch modules to enhance automation and operational reliability. A Low Voltage Disconnect (XH-M609) module is employed to protect the battery system by disconnecting the load when voltage drops below a safe threshold. A photocell sensor is used to detect sunlight intensity, allowing the system to operate the dryer only during adequate daylight, thereby conserving energy. Additionally, a rain drop sensor is integrated to pause the drying process during rainfall to prevent rehydration of the seaweed. A relay module is used to control the switching of dryer components based on real-time sensor feedback. The entire system is designed for both automatic and manual modes, ensuring flexibility for user intervention when necessary. Simulation and field test results show that the prototype can effectively utilize hybrid renewable energy sources while maintaining protection and adaptive control based on environmental conditions, offering a cost-efficient and eco-friendly solution for small-scale seaweed farmers
Co-Authors Dovan, Yohanes Hartono Siswono Joko Purnomo Setiyono Setiyono Setiyono Syahrul, Elfitrin Widyastuti Widyastuti