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All Journal Journal of Energy, Material, and Instrumentation Technology
Gurum Ahmad Pauzi
Jurusan Fisika, Universitas Lampung
Control & Systems Engineering Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Analisis Jembatan Garam Campuran Alumina dan Kalsium Karbonat pada Karakteristik Elektrik Pembangkit Listrik Sel Galvanis dengan Elektrolit Air Laut Gurum Ahmad Pauzi; Syaiful Anwar; Amir Supriyanto; Sri Wahyu Suciyati
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 4 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v2i4.75

Abstract

Penelitian ini dilakukan untuk menganalisis pengaruh variasi konsentrasi campuran jembatan garam terhadap karakteristik elektrik 5 buah sel galvanis seri menggunakan elektroda Cu(Ag)-Zn dengan beban 20 LED. Variasi konsentrasi campuran jembatan garam menggunakan alumina 0,1 dan 1 mol, kalsium karbonat 0,1 dan 1 mol pada semen dengan menggunakan air laut sebagai pelarut. Monitoring tegangan dan arus pada sel galvanis menggunakan sensor INA219 sedangkan monitoring intensitas cahaya menggunakan sensor BH1750 secara real-time. Hasil penelitian menunjukkan bahwa semakin besar konsentrasi alumina pada jembatan garam akan semakin besar nilai tegangan yang dihasilkan. Nilai hambatan dalam sel galvanis akan semakin kecil apabila konsentrasi jembatan garam kalsium karbonat memiliki nilai kecil.
Rancang Bangun Prototipe Keamanan Ruang Laboratorium dengan Pintu Otomatis Menggunakan Sensor Suhu MLX90614 Berbasis Arduino Atmega 2560 Diana Margarini; Sri Wahyu Suciyati; Arif Surtono; Gurum Ahmad Pauzi
Journal of Energy, Material, and Instrumentation Technology Vol 2 No 4 (2021): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v2i4.76

Abstract

Research on laboratory room security system has begun to be developed with various kinds of inputs used. In this study, the design of a laboratory room security prototype with automatic doors has been realized using the MLX90614 temperature sensor based on Arduino Atmega 2560. The design of this prototype aims to design a prototype laboratoey room with automatic doors using a door lock solenoid and a temperature sensor MLX90614. In addition, this system is equipped with a counter to reduce and add people in the room using the FC-51 infrared sensor. Data retrieval is done by detecting human temperature before entering the room, when the temperature input is met, the door of the room will open with a maximum limit of 10 people. The results showed that the system was functioning properly, indicated by the state of the door that could open when it received an input of temperature between 35-37°C, the door remained closed when detecting of temperature other than 35-37°, and the door remained closed when the object in the room was up to 10 people.
Co-Authors Amir Supriyanto Diana Margarini Sri Wahyu Suciyati Surtono, Arif Syaiful Anwar