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p-Index From 2021 - 2026
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All Journal Jurnal Teori dan Aplikasi Fisika Journal of Energy, Material, and Instrumentation Technology
Sri Wahyu Suciyati
Jurusan Fisika, Universitas Lampung
Astronomy 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.
Sistem Monitoring Kualitas Air Tambak Budidaya Udang Litopanaeus vannamei Menggunakan NodeMCU ESP32 Berbasis IoT Eza Ariyani; Sri Wahyu Suciyati; Donni Kis Apriyanto; Amir Supriyanto
Jurnal Teori dan Aplikasi Fisika Vol. 14 No. 01 (2026): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v14i01.447

Abstract

Abstract. In this research a water quality monitoring system was designed that is capable of monitoring temperature, pH, and Total Dissolve Solid (TDS) using an Internet of Things (IoT)-based NodeMCU ESP32 in the water quality of Litopenaeaus vannamei shrimp ponds. In this study, E201-C BNC Kit version pH sensor, DFRobot TDS sensor and DS18B20 waterproof sensor controlled by ESP32 microcontroller were used. The working principle of this system is that when the sensor is inserted into the shrimp pond, the sensor will detect the water quality. The measurement result will be processed by ESP32 and displayed on LCD and telegram. The telegram application can receive data when measuring using the long poll method. The sensor test mechanism is carried out by comparing the sensor reading with a calibrated device. E201-C BNC version Kit pH sensor tests were conducted using an acid (vinegar) solution, a DFRobot TDS sensor with a TDS-3 meter, and a DS18B20 waterproof sensor using an HTC-2 thermometer. The results of the study show that the sensor can detect pH, TDS, and temperature values ​​with an accuracy of 98.87%, 98.33% and 98.73% for each parameter.   Keywords: ESP32, water quality, monitoring system, shrimp pond, telegram.
Co-Authors Amir Supriyanto Diana Margarini Donni Kis Apriyanto Eza Ariyani Gurum Ahmad Pauzi Surtono, Arif Syaiful Anwar