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All Journal Komunikasi Fisika Indonesia Phi : Jurnal Pendidikan Fisika dan Terapan Jurnal Fisika Unand BULETIN FISIKA JOURNAL ONLINE OF PHYSICS JISTech (Journal of Islamic Science and Technology) Fisitek : Jurnal Ilmu Fisika dan Teknologi Best Journal (Biology Education, Sains and Technology) Jurnal Pengabdian Masyarakat Aufa (JPMA) EINSTEIN (E-JOURNAL) Jurnal Pengabdian Masyarakat Aufa (JPMA) VISA: Journal of Vision and Ideas
Nazaruddin Nasution
Universitas Islam Negeri Sumatera Utara
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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ANALISIS ELEKTRODA Cu-Zn PADA TEGANGAN, ARUS DAN DAYA LISTRIK BIO-BATERAI LARUTAN SARI APEL HIJAU Ety Jumiati; Nazaruddin Nasution; Pebi Ajeng Pratiwi
FISITEK: Jurnal Ilmu Fisika dan Teknologi Vol 8, No 1 (2024)
Publisher : Universitas Islam Negeri Sumatera Utara Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30821/fisitekfisitek.v8i1.17918

Abstract

Elektroda merupakan sumber energi yang dialiri arus listrik dalam transfer elektron. Dimana elektron dapat berpindah dengan menggunakan larutan elektrolit. Elektroda terbagi menjadi dua yaitu elektroda bermuatan positif dan elektroda bermuatan negatif. Pada penelitian ini dilakukan untuk mempelajari analisis elektroda Cu-Zn terhadap tegangan, arus dan daya listrik bio-baterai larutan sari apel hijau. Variasi pengukuran volume yang dilakukan adalah 200 ml, 300 ml dan 400 ml dengan menggunakan metode sel galvani. Berdasarkan analisa yang telah dilakukan diperoleh nilai optimum pada volume 400 ml yaitu tegangan : 1,91 V, arus 3,51 mA dan daya listrik 6,70 mW.
IoT-based noise measuring tool with FC-04 sound sensor for polyurethane dampening materials Vicha Indriany; Masthura Masthura; Nazaruddin Nasution
Indonesian Physics Communication Vol 21, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.1.33-40

Abstract

Increased noise caused by human and industrial activities can cause health problems, such as stress, affecting sleep quality, and having negative effects on long-term health, usually such as hearing problems, high blood pressure, and depression. This study aims to make a noise-measuring instrument, examine the comparison of the results of sound intensity level measurements, and examine the damping ability of polyurethane. The sensor used in this study is the FC-04 sound sensor which functions as a sound intensity level meter that works by changing the sound scale to an electrical quantity. The data that has been obtained is a comparison of the measurement results using the factory standard sound level meter (SLM) and an artificial noise measuring instrument which is analyzed using the calculation of the percent deviation. As for the measurement data of the damper material polyurethane before and after, analyzed using reduction effectiveness calculations. The results of measuring the sound intensity level using the factory standard SLM and an artificial noise meter obtained an average value of the sound intensity level of 72.67 dB and 67.77 dB. From the results of the two measuring instruments, the percentage deviation of the measuring instrument is 6.7% with minimum and maximum percentage deviation values of 3.1% and 11.7%. The results of the measurement of the reduction effectiveness value of the damper material polyurethane using factory standard SLM and artificial noise measurement tools of 14.7% and 14.8%.
Design an automatic trash can using the HC-SR04 ultrasonic sensor based on the Arduino Uno microcontroller Anggi Kumala Dwi; Mulkan Iskandar Nasution; Nazaruddin Nasution
Indonesian Physics Communication Vol 21, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.1.45-50

Abstract

Garbage is one of the biggest problems faced by many cities in the world, the lack of awareness to dispose of waste in its place causes waste to scatter and pollute the surrounding environment. This research aims to design an automatic trash bin based on the Arduino microcontroller and to find out how the automatic trash can works with the HC-SR04 ultrasonic sensor based on the Arduino Uno microcontroller. The design of this system uses Arduino Uno. The results of the input and output tests show that the HC-SR04 ultrasonic sensor has a low error rate of 1.2% at a distance of 25 cm and a high of 6% at a distance of 10 cm. The trash can opens the lid automatically at > 30 cm to detect the capacity of waste that has been disposed of into the trash container with a height of 20 cm., the proximity sensor will detect the type of waste being disposed of, and the LCD will display the type of waste that will be disposed of and the servo motor will activate the mechanical system of this device. If the trash can is full, a warning will be sent via the buzzer and the SIM800L GSM module via SMS. The working system of the automatic trash can as a whole can work well according to the design that has been made.
Design of a coffee bean dryer prototype based on the internet of things Ardian Afandi; Masthura Masthura; Nazaruddin Nasution
Indonesian Physics Communication Vol 21, No 2 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.2.159-164

Abstract

Coffee is one of the plants that is widely cultivated in tropical countries such as Indonesia. Coffee plantation commodities at least contribute a lot to the Indonesian economy, which creates foreign exchange, farmer income, industrial raw materials, employment, and regional development. This research aims to design coffee bean dryer equipment using a heater as a heating element instead of sunlight for the process of drying coffee beans. When the temperature has reached 60°C, the heater will turn off briefly, and if the set time has not expired, the heater will always be alive. If the humidity does not decrease, the fan will fail. In this research, using experimental research procedures where each measurement is used effectively by each sensor so that the measurement results of each sensor are accurate. From the test results, it can be concluded that the initial weight before drying was 1000 grams, while the weight after drying was 880 grams.
Comparison of measuring the noise level of glass wool soundproofing material using a sound level meter and the KY-037 noise measuring instrument Indah Pratiwi Tanjung; Masthura Masthura; Nazaruddin Nasution
Indonesian Physics Communication Vol 21, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.1.25-32

Abstract

The problem that people often face, both at home and in public places, is noise that disturbs concentration and comfort. Noise can be measured by sound level measurement, namely by measuring the intensity or loudness of sound in hertz and sound waves in decibels (dB). Then noise can be reduced by materials that can absorb sound, one of which is glass wool. The purpose of this research is to make a noise-measuring instrument, find out the effectiveness of damping materials, and compare the results of measuring noise levels. The measuring instrument for noise in this study is the sound level meter (SLM) using a KY-037 sound sensor programmed with Arduino Uno as a microcontroller. The results of noise measurements using a factory standard SLM and noise measurement tool KY-037 obtained an average factory standard SLM measurement of 72.23 dB and the average measurement of the KY-037 noise meter is 67.67 dB. From the measurement results with the two tools, the difference in comparison is 4.56 dB with a percent deviation of 6,33%. Then the results of testing the glasswool sound-dampening material with a comparison of the two measuring devices obtained that each sound intensity absorption was 17.9 – 28.5 dB and the effectiveness of the reduction was 21.8% – 34.9%.
PENGAWASAN DAN PEMANTAUAN PERTUMBUHAN JAMUR TIRAM DENGAN MEMANFAATKAN TEKNOLOGI INTERNET of THINGS (IoT) Rizka Alivia Nasution; Masthura Masthura; Nazaruddin Nasution
JOURNAL ONLINE OF PHYSICS Vol. 9 No. 2 (2024): JOP (Journal Online of Physics) Vol 9 No 2
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v9i2.31694

Abstract

Penelitian ini bertujuan untuk merancang alat pengawasan dan pemantauan pertumbuhan  jamur tiram dengan memanfaatkan  teknologi internet of things (IoT). Proses pembuatan alat dimulai dari perancangan hardware dengan menghubungkan semua komponen, meliputi ESP32 dan sensor DHT22 untuk mengukur suhu dan kelembaban di kumbung, sensor pH Media Tanam untuk mengukur pH di media tanam, sensor kelembaban tanah untuk mengukur kelembaban di media tanam jamur tiram, BH1750 untuk penerangan otomatis di malam hari, RTC DS3231 untuk mengatur jadwal otomatis pada pompa air, dan LCD 20 x 4 untuk menampilkan informasi suhu, kelembaban, pH, dan cahaya (lux) di media tanam jamur yang dilanjutkan dengan perancangan software pada arduino dan aplikasi blynk untuk memantau dan mengawasi pertumbuhan jamur tiram melalui alat. Suhu yang optimal untuk budidaya jamur adalah 30,20°C dengan deviasi sebesar 0,7%, sedangkan kelembaban optimal di kumbung jamur tiram adalah 72,70% dengan deviasi sebesar 3,7%. Kadar pH optimal di media tanam untuk budidaya jamur tiram adalah 6,52 dengan deviasi sebesar 0,3%.
Co-Authors Abdul Halim Daulay Aida Fitri Andara Paulina Anggi Kumala Dwi Ardian Afandi Aulia Farihanum Aulia Khusnul Arif Z.A Ayus - Diningsih Dewi Kesuma Wati turnip Dhani Yonata Hariyono Dika Prananda Diva Moniva Marpaung Ety Jumiati Ida Putri Hasibuan Indah Pratiwi Tanjung Intan Nisa Azhar Intan Nisa Azhar Jumiati, Ety Lailatul Husna Br. Lubis Lailatul Husna Lubis Laras Ashari Setiawan Laras Ashari Setiawan Ledi Muliati Masthura, Masthura Muhammad Rajali Harahap Mulkan Iskandar Nasution Mulkan Iskandar Nasution Nazifah Dilla Regita Nur Ainun Munthe Nurmaisah Harahap Pebi Ajeng Pratiwi Putri Rabiatul Amalia Sitorus Rendy Fadli Iswara Riski Muhammad Natsir Nasution Rizka Alivia Nasution Rohima Sakinah Pasaribu Rosida Hutagalung Suci Ramadhani Harahap Vicha Indriany