Artikel (22)
The laboratory access restriction system has been realized using RFID and keypad technology, based on an Arduino microcontroller as a processor. The system has recorded users who entered the room by identifying the RFID tag (transponder) used to open the door from the outside. As for access outside ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 2 (2022): Journal of Energy, Material, and Instrumentation Technology; 57 - 62 | 2022
In this study, water content measurements were carried out using a physical method using a capacitive sensor. Measurement with these two methods aims to get the most efficient method for tapioca flour's water content value. The samples used were six samples of tapioca flour from the way good factory...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 2 (2022): Journal of Energy, Material, and Instrumentation Technology; 44 - 49 | 2022
In this research, the design of an automatic plant watering device and a real-time soil moisture monitoring system was realized in an internet of things (IoT) based papaya farm. The design of this automatic plant watering device aims to create an automatic plant watering system using the FC-28 senso...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 2 (2022): Journal of Energy, Material, and Instrumentation Technology; 63 - 73 | 2022
Electricity needs in mountainous areas have not been optimal, so there need to be alternative power plants to meet the electricity supply in the mountainous area. For this reason, this study made an alternative power plant tool with the title Nano-hydro Generator Design Easy to Carry For Lighting In...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 2 (2022): Journal of Energy, Material, and Instrumentation Technology; 50 - 56 | 2022
An Arduino-based stepper motor was used to create a nanofiber spinning machine. The hardware for this tool includes an Arduino Mega module, a 4x4 keypad, a TM1637 type seven-segment display, and L298N type stepper motor driver, a 17Hs4401 type stepper motor, a Pushbutton, and an ultrasonic sensor. T...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 2 (2022): Journal of Energy, Material, and Instrumentation Technology; 39 - 43 | 2022
Research on the effect of the addition phosphorus doping using a syringe pump with the sol-gel method. The purpose of this study was to determine the effect of the addition rate of phosphorus doping to the crystal structure and specific surface area of TiO2. Doping increment rate used are 0,4; 0,2; ...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 72 - 79 | 2022
Sintesis titania doping sulfur (S-TiO2) dilakukan melalui metode sol-gel. Titanium isopropoksida (TTIP), tween-80, isopropanol dan asam sulfat (H2SO4) sebagai sumber doping sulfur digunakan sebagai bahan utama. Penelitian ini bertujuan untuk mengetahui pengaruh variasi waktu penambahan doping sulfur...
Journal of Energy, Material, and Instrumentation Technology; Vol. 2 No. 2 (2021): Journal of Energy, Material, and Instrumentation Technology; 65 - 71 | 2022
This research aims to determine the effectiveness of ketapang leaf extract (Terminalia catappa L.) as inhibitor on AISI steel in corrosive medium NaCl 3%. Specifically, the purpose of this research is to know the effect of the addition of 0%, 2%, 4%, 6%, 8%, dan 10% inhibitor concentration of ketapa...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 1 (2022): Journal of Energy, Material, and Instrumentation Technology | 2022
The research was conducted to analyze the effect of variations in pH of acid zinc solution in two compartment voltaic cells with Cu(Ag)-Zn electrodes on the value of electrical characteristics and the resulting corrosion rate. The Cu(Ag)-Zn pair is used to generate voltage and current in the cell wi...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 1 (2022): Journal of Energy, Material, and Instrumentation Technology | 2022
This research aims to determine the effectiveness of sapodilla leaf extract (Manilkara zapota L) as inhibitor on AISI steel in corrosive medium NaCl 3 %. Specifically, the purpose of this research is to know the effect of the addition of 0%, 2% and 4% inhibitor concentration of sapodilla leaf extrac...
Journal of Energy, Material, and Instrumentation Technology; Vol. 3 No. 1 (2022): Journal of Energy, Material, and Instrumentation Technology | 2022