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All Journal Edufisika: Jurnal Pendidikan Fisika JASc (Journal of Agribusiness Sciences)
Hasibuan, Azhari
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Physics

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ANALISIS REGRESI ALAT UKUR EMISI GAS KARBON MONOKSIDA BERBASIS ARDUINO UNO Hasibuan, Azhari; Hakim, Lukman
EduFisika: Jurnal Pendidikan Fisika Vol 5 No 01 (2020): Edufisika: Jurnal Pendidikan Fisika Volume 5 Nomor 01, Juni 2020
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Jambi

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Abstract

The presence of pollutants is a serious threat to health. One of the pollutants in influencing air quality is carbon monoxide gas. Most of the carbon monoxide comes from motor vehicle exhaust emissions. The purpose of this research is to make a vehicle carbon monoxide gas emission measurement tool using the TGS 822 gas sensor. The research method begins with the hardware design using the TGS822 gas sensor as a carbon monoxide gas sensor then processed with an arduino uno microcontroller and data transfer by bluetooth. The results of the reading of pollutant values ​​are then processed with a microcontroller and displayed on a computer screen using a Bluetooth connector so that it can be monitored in real time. Data obtained from the test results are then analyzed using a regression equation by comparing with data from the reading of standard measuring instruments. The results of testing the instrument shows the value of the regression equation y = -0,0641x ± 38.438 with a value of R2 = 0, 9997. These results show a strong correlation between the data from the CO meter with the CO gas emission gauge that has been made.
Evaluasi Kesesuaian Lahan Bekas Penambangan Tradisional Pada Tanaman Kelapa Sawit (Elaeis gueneensis Jacq) di Kecamatan Lingga Bayu Kabupaten Mandailing Natal Hasibuan, Azhari; Nasution, Yusriani; Lubis, Erwin Syah; Adelina, Rasmita
JASc (Journal of Agribusiness Sciences) Vol 8, No 2 (2024): JASc (Journal of Agribusiness Sciences)
Publisher : JASc (Journal of Agribusiness Sciences)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jasc.v8i2.21385

Abstract

Penelitian ini bertujuan untuk mengevaluasi kesesuaian lahan bekas penambangan tradisional pada Tanaman Kelapa Sawit (Elaeis gueneensis Jacq) di Kecamatan Lingga Bayu, Kabupaten Mandailing Natal. Enam komposit tanah sampel digunakan dalam penelitian ini sebagai bahan baku penelitian. Purposive sampling digunakan untuk memilih sampel di Desa Aek Manyuruk, Desa Simpang Bajole, dan Desa Bandar Limabung. Investigasi ini dilakukan dengan menggunakan analisis laboratorium dan metode kerja lapangan. Tahap ini diawali dengan observasi wilayah sekitar, dilanjutkan dengan penentuan koordinat pengambilan sampel. Analisis laboratorium meliputi: Tanah tekstur, KTK, Ca (dd), Mg (dd), Na (dd), K (dd), dan C-organik. Hasil evaluasi kepatuhan lahan menunjukkan kondisi kesesuaian lahan sesuai (S2) dengan faktor pembatas bahaya erosi bulan kering (wa), KTK (nr), bahaya basa (nr), dan ringan (eh).
Co-Authors Adelina, Rasmita Lubis, Erwin Syah Lukman Hakim Yusriani Nasution