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All Journal Elkom: Jurnal Elektronika dan Komputer Justek : Jurnal Sains Dan Teknologi
Patrisius Kusi Olla
Stikes Semarang
Computer Science & IT Control & Systems Engineering Education Mathematics

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Rancang Bangun Alat Pendeteksi Alkohol Portabel Pada Pernafasan Manusia Menggunakan Arduino Nano M. Alparizi Pebers; bayu wahyudi; Patrisius Kusi Olla; Diah Ningtias
Elkom : Jurnal Elektronika dan Komputer Vol 15 No 2 (2022): Desember : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v15i2.914

Abstract

Article history: Received 30 Mei 2020 Received in revised form 2 Juni 2020 Accepted 10 Juni 2020 Available online 12 Juni 2020 ABSTRACT Alcohol is the common name for organic compounds that have a hydroxyl group attached to carbon and hydrogen atoms. The alcohol that is commonly found in liquor is ethyl alcohol or it is also called ethanol, but it is usually referred to as alcohol alone. Drinks with an alcohol content of 40% can lose consciousness, leading to accidents for alcohol-affected drivers. To detect alcohol in the body using an alcohol tester. Researchers tried to make a measuring instrument for alcohol levels in the body using several components such as Arduino nano, MQ 3 sensor, OLED, charger module, battery, resistor, push button, and buzzer. The design of a portable alcohol level detector through breath can work well, namely the results of the reading of alcohol levels in the body by the MQ-3 sensor through the breath and displayed on the Oled Display in units of% BAC (Blood Alcohol Concentration), in the sample comparison of the alcohol level reading between Final project tool with a comparison tool alcohol tester obtained the percentage difference in an average of 0.01% BAC. Keywords: Alcohol, Arduino Pro Micro, MQ-3 Sensor, OLED, Charger Module, Battery, Resistor, Push Button, and Buzzer
Rancang Bangun Alat Pendeteksi Alkohol Portabel Pada Pernafasan Manusia Menggunakan Arduino Nano M. Alparizi Pebers; bayu wahyudi; Patrisius Kusi Olla; Diah Ningtias
Elkom : Jurnal Elektronika dan Komputer Vol 15 No 2 (2022): Desember : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/elkom.v15i2.914

Abstract

Article history: Received 30 Mei 2020 Received in revised form 2 Juni 2020 Accepted 10 Juni 2020 Available online 12 Juni 2020 ABSTRACT Alcohol is the common name for organic compounds that have a hydroxyl group attached to carbon and hydrogen atoms. The alcohol that is commonly found in liquor is ethyl alcohol or it is also called ethanol, but it is usually referred to as alcohol alone. Drinks with an alcohol content of 40% can lose consciousness, leading to accidents for alcohol-affected drivers. To detect alcohol in the body using an alcohol tester. Researchers tried to make a measuring instrument for alcohol levels in the body using several components such as Arduino nano, MQ 3 sensor, OLED, charger module, battery, resistor, push button, and buzzer. The design of a portable alcohol level detector through breath can work well, namely the results of the reading of alcohol levels in the body by the MQ-3 sensor through the breath and displayed on the Oled Display in units of% BAC (Blood Alcohol Concentration), in the sample comparison of the alcohol level reading between Final project tool with a comparison tool alcohol tester obtained the percentage difference in an average of 0.01% BAC. Keywords: Alcohol, Arduino Pro Micro, MQ-3 Sensor, OLED, Charger Module, Battery, Resistor, Push Button, and Buzzer
Linear Shaker Sebagai alat Laboratorium untuk Penghomogen Sampel Muhammad Daffa Mashari; Imam Tri Harsoyo; Patrisius Kusi Olla
Justek : Jurnal Sains dan Teknologi Vol 8, No 2 (2025): Juni
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/justek.v8i2.31015

Abstract

Abstract:  This study aims to design, construct, and evaluate a prototype Arduino Uno–based Linear Shaker that integrates a moving rail with bearing mechanism, an optocoupler sensor for real-time RPM feedback, and a Nextion LCD interface for speed and duration control. A Research and Development (R&D) methodology was employed, comprising field observations, literature review, device design, prototype fabrication, performance testing without load and with liquid loads (50–600 g), and performance data analysis. No-load testing demonstrated an average RPM measurement accuracy of 96 %, while loaded tests showed the prototype maintained stable rotations in the 100–129 RPM range across the tested load spectrum. The device also achieved continuous operation for up to 60 minutes without significant performance degradation. These results confirm that the Linear Shaker meets the targeted performance for light laboratory applications and provide a foundation for future enhancements, such as adopting a higher-torque stepper motor and upgrading the motion guide system with high-quality bearings to further increase load capacity and agitation efficiency.Abstrak: Penelitian ini bertujuan untuk merancang, membangun, dan mengevaluasi prototipe Linear Shaker berbasis Arduino Uno yang mengombinasikan mekanisme rel gerak dengan bearing, sensor optocoupler untuk pembacaan RPM real-time, serta antarmuka Nextion LCD untuk pengaturan kecepatan dan durasi agitasi. Metode penelitian menggunakan pendekatan Research and Development (R&D) yang meliputi observasi lapangan, studi pustaka, perancangan alat, pembuatan prototipe, pengujian kinerja tanpa beban dan dengan beban cairan (50–600 g), serta analisis data performa. Pengujian tanpa beban menunjukkan rata-rata akurasi pembacaan RPM mencapai 96 %, sedangkan pada pengujian beban, prototipe mempertahankan putaran stabil di kisaran 100–129 RPM dengan variasi beban yang diuji. Durasi operasi hingga 60 menit juga tercapai tanpa penurunan signifikan dalam performa. Hasil penelitian mengonfirmasi keberhasilan desain Linear Shaker dalam memenuhi target kinerja laboratorium ringan, sekaligus memberikan pijakan bagi pengembangan lebih lanjut, seperti penggunaan motor stepper berdaya lebih tinggi dan peningkatan sistem rel gerak dengan bearing berkualitas untuk meningkatkan kapasitas dan efisiensi agitasi.     
Co-Authors bayu wahyudi Diah Ningtias Imam Tri Harsoyo M. Alparizi Pebers Muhammad Daffa Mashari