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All Journal Jurnal Fisika Unand KALAMATIKA Jurnal Pendidikan Matematika
Huda, Fajrul
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Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Mathematics Physics

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ETHNOMATHEMATICS EXPLORATION IN THE TRADITIONAL ART OF RANDAI MINANGKABAU Miftahurrahmi, Miftahurrahmi; Pratiwi, Is Oktaria; Huda, Fajrul; Habibi, Mhmd
KALAMATIKA Jurnal Pendidikan Matematika Vol 9 No 1 (2024): KALAMATIKA April 2024
Publisher : FKIP Universitas Muhammadiyah Prof. DR. HAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/KALAMATIKA.vol9no1.2024pp99-120

Abstract

Mathematics is a scientific field that delves into numbers, measurements, and formulas. When mathematical concepts intertwine with culture, it forms what is known as ethnomathematics. Integrating mathematics with cultural elements can significantly enhance the learning experience. This research aims to identify and elucidate mathematical elements in the traditional Minangkabau art form of Randai. The methodology employed in this study is qualitative descriptive, utilizing a library research approach. No field studies were conducted; the research relied solely on a literature review. The data utilized comprises documents derived from studies of Randai art and other written references relevant to the research problem. The researcher serves as the primary instrument, indispensable to this study. Data collection methods include documentation and an extensive literature review. The findings reveal that traditional Minangkabau randai art encompasses not only artistic expression but also philosophical insights, cultural values, and mathematical elements, known as ethnomathematics. Ethnomathematics manifests in Randai art through its form, spatial dimensions, and musical instruments.
Prototipe Rancang Bangun Alat Geolistrik Menggunakan Arduino Uno R3 dan Transceiver nRF24L01+ Huda, Fajrul; Harmadi, Harmadi; Pohan, Ahmad Fauzi
Jurnal Fisika Unand Vol 10 No 4 (2021)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.10.4.435-442.2021

Abstract

Telah dilakukan perancangan prototipe alat geolistrik menggunakan mikrokontroler Arduino uno r3 dan transceiver nRF24L01+. Sinstem ini dirancang dari beberapa unit yaitu sensor ACS712 sebagai pendeteksi arus yang diinjeksikan dan sensor tegangan sebagai pengukur tegangan pada elektroda potensial. Data yang didapat dikirimkan melalui transceiver nRF24L01+ sebagai alat transmisi data. Karakterisasi sensor ACS712 dilakukan dengan memvariasikan arus terhadap tegangan. Karakterisasi keluaran sensor tegangan dilakukan dengan cara membandingkan dengan voltmeter. Jarak maksimum pengiriman data oleh transceiver nRF24L01+ adalah 480 m tanpa penghalang dan 260 m dengan penghalang. Hasil pengukuran alat geolistrik dibandingkan dengan alat resistivity meter dengan kesalahan rata-rata sebesar 9,53% untuk pengujian pasir, 18,80% untuk pengujian tanah humus, 14,10% untuk pengujian pada tanah liat dan 29,40% pada pengujian lapangan.
Co-Authors Harmadi Harmadi Mhmd. Habibi Miftahurrahmi, Miftahurrahmi Pratiwi, Is Oktaria