Penerbit: Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung
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Monitoring Data Perubahan Suhu, CO dan CO2 Secara Real Time Menggunakan MySQL
Oleh: Setiawan, Randi , Warsito, Warsito, Junaidi, Junaidi
This research is related to making a system to display data on temperature changes, CO, and CO2 monitoring results in real time make use of MySQL. The measuring instrument used consisted of an MQ-7 sensor to detect CO gas, a MQ-135 sensor to detect CO2 gas, a DHT-22 sensor to measure the temperature...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 2 (2020): Journal of Energy, Material, and Instrumentation Technology; 75-80
Sistem Identifikasi Tingkat Kematangan Buah Nanas Secara Non-Destruktif Berbasis Computer Vision
Oleh: Nevalen Aginda Prasetyo, Surtono, Arif, Junaidi, Junaidi
A computer vision-based non-destructive pineapple maturity level identification system has been realized. This research was conducted to create a system capable of identifying six indexes of pineapple maturity level. An artificial neural network is used as a classifier for the level of maturity pine...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 1 (2021): Journal of Energy, Material, and Instrumentation Technology; 1 - 10
Rancang Bangun Purwarupa Pemilah Nanas Berdasarkan Tingkat Kematangan Menggunakan Mikrokontroler Blue Pill STM32F103C8T6
Oleh: Desy, Friska Tiara , Surtono, Arif , Supriyanto, Amir
The research about a design of prototype automatic pineapple sorting has been done with a belt conveyor system using a Blue Pill STM32F103C8T6 microcontroller. This research was conducted to create a prototype that can sort pineapples based on maturity level by classified unripe, ripe, and fully rip...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 3 (2020): Journal of Energy, Material, and Instrumentation Technology; 81-90
Pengaruh Variasi Suhu Sintering Menggunakan Metode Pencampuran Basah
Oleh: Muntamijayati, M. , Suprihatin, Suprihatin, Yulianti, Yanti
The superconducting material BPSCCO-2212 with doping Pb = 0,2 has been synthesized by the wet mixing method. Calculation is caried out at 800 °C for 10 hours. While sintering is done at 825 °C, 830 °C, 835 °C and 840 °C for 20 hours. The synthesis result were characterized by XRD X-Ray Diffract...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 2 (2020): Journal of Energy, Material, and Instrumentation Technology; 53-57
Analisis Suhu Dan Konsentrasi Karbondioksida dalam Kotak Pendingin Terhadap Susut Bobot dan Umur Simpan Buah Nanas (Ananas Comosus L. Merr) Berbasis MIT App Inventor 2
Oleh: Nugraeni, Yulinda , Suciyati, Sri Wahyu, Pauzi, Gurum Ahmad
Shrinkage of weight loss and shelf life of pineapples is influenced by high temperatures and CO2 concentrations. This study aims to analyze the influence of temperature and CO2 concentration on weight loss and shelf life pineapple in a fridge cooler. The analysis data is obtained from a monitoring t...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 3 (2020): Journal of Energy, Material, and Instrumentation Technology; 113-118
Analisis Potensi Energi Listrik Pikohidro dari Sumber Air Pegunungan Serta Upaya Peningkatan Daya Listrik dengan Memanfaatkan Rangkaian Joule Thief
Oleh: Soleh, Ahmad Badrus , Supriyanto, Amir, Pauzi, Gurum Ahmad
The research about picohydro power plant system has been developed in recent years. However, there is a problem in output power when using too small water debit on it. Output power can improved with a generator module and joule thief module. The generator module uses a turbine that the diameter is 4...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 3 (2020): Journal of Energy, Material, and Instrumentation Technology; 91-102
Rancang Bangun Sistem Monitoring Kualitas Air Tambak Udang (Litopenaeus Vannamei) Menggunakan Wireless Sensor Sistem (WSS) yang Terintegrasi dengan PLC CPM1A
Oleh: Pauzi, Gurum Ahmad, Suryadi, Okta Ferli , Susanto, Gregorius Nugroho
The research about pH, salinity, dissolved oxygen, and temperature monitoring system using Arduino Uno integrated with PLC CPM1A for water quality control of shrimp farm litopenaeus vannamei had done. The system used pH meter kit Dfrobot sensor, salinity sensor, DS18B20 waterproof sensor, and analog...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 1 No. 3 (2020): Journal of Energy, Material, and Instrumentation Technology; 103-112
Effect of Concentration Variation of Cacao Leaf Extract (Theobroma cacao.) Inhibitor on the Corrosion Rate of ST 37 Steel in 3% HCl Solution
Oleh: Syafriadi, Syafriadi, Adriana, Risca, Riyanto, Agus
The effectiveness of cacao leaf extract (Theobroma Cacao.) used as an inhibitor on St 37 steel sample. Which cures in HCl 3 % Corrosive Medium for 144 hours, the inhibitor concentration variation added 0 %, 3%, 6 %, 9 %, and 12 %, respectively. The sample rate is measured by using the loose-weight m...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 1 (2023): Journal of Energy, Material, and Instrumentation Technology; 1-9
Pengaruh Variasi Kadar CaCO3 terhadap Pertumbuhan Fase Superkonduktor BPSCCO–2212 Menggunakan Metode Pencampuran Basah
Oleh: Pratiwi, Rianggi Wahyuni, Suprihatin, Sembiring, Simon
This research was conducted to determine the effect of CaCO3 levels on the formation of superconducting phase BPSCCO - 2212 by calculating the level of purity of the phases formed and looking at the microstructure. The variation of CaCO3 was 0.95, 1.00, 1.05 and 1.10 mole using the wet mixing method...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 1 (2021): Journal of Energy, Material, and Instrumentation Technology; 17 - 22
Utilization Semi Cylindrical Capacitor for Measuring Starch Content Thai Type Cassava
Oleh: Mauliyani Qoriah, Dina, Surtono, Arif, Pauzi, Gurum Ahmad
It has been realized that the measurement of the Thai type of cassava starch uses a semi-cylindrical capacitor has been done. This measurement is carried out by providing an input signal to the semi-cylindrical capacitor plate using the IC XR-2206 oscillator with a frequency of 100 kHz. The output s...
Sumber: Journal of Energy, Material, and Instrumentation Technology; Vol. 4 No. 2 (2023): Journal of Energy, Material, and Instrumentation Technology; 45-52