Photovoltaic (PV) modules are devices that can convert sunlight into electrical energy. PV module performance can be improved by providing an antireflection coating in the form of a coating. In addition, PV module performance is also influenced by the intensity, temperature and value of parasitic internal resistance which consists of internal resistance (Rs and Rsh). This parameter is dete…
of certain frequency components contained in optical signals leading to optical pulse width. One of the solutions to tackle pulse width is a Chirped Fiber Bragg Grating (CFBG). This research used chirped variations such as no chirp, linear, quadratic, square root, and cubic root types with a grating length of by using Optigrating software. It is then converted into Optisystem software whic…
The Program of International Student Assessment (PISA) of 2018 shows that the ability of students in Indonesia is below the average rate of many countries in the world. PISA’s score measurement has been done by measuring the performance of students in secondary school in three fields, namely Mathematics, Science, and Literacy. To improve the abilities of students in the fields of science…
Tissue temperature greatly affects the condition of the body at the time of the interaction between THz radiation and biological tissue, so it is necessary to control the heat in the tissue so that the body's condition remains stable. Biophysical computational modeling techniques can help predict the effect that will occur due to the interaction of THz radiation on biological tissue and can…
Long-Range Module (LoRa) is an LPWAN module based on radio waves with regulated frequency which has low power with a distance of up to 15 Km. Physical Layer Setting (PHY) factors affect the transmission speed (ADR) and signal range of the LoRa module which can be programmably adjusted. These PHY factors consist of Bandwidth (BW), Coding Rate (CR), Spreading Factor (SF) and transmission pow…
The development of medical diagnostic devices such as biosensors is tredemeous improving to obtain an excelent biosensor that is more efficient, sensitive and accurate. Metamaterial-based biosensors are currently being developed massively because of their unique characteristics which not found in conventional electronic biosensors. One of their properties is negative refractive index which…
Hyperspectral imaging is a non destructive method that has been used to evaluate internal characteristics of fruits and vegetables. Plant genetics, soil characteristics, and plant management are some of key factors to define the quality of oil palm fresh fruit bunches (FFB) produced. This research was aimed to discriminate the Tenera oil palm FFBs produced by oil palm trees grown from mine…
Pawan, a district located in the Sumtera back arc basin, possesses a potential indicated by appearance of hot springs. Pawan geothermal prospect is rarely studied. Hence, there was conducted a research to determine the type of fluids and the temperature of geothermal reservoir, and analyze the distribution pattern of geothermal energy of hot water sources. The research in Pawan geothermal …
The development of zinc oxide nanomaterial (ZnO) is very interesting to study because of its important role in various applications. ZnO nanomaterials can be fabricated by many methods. Enhancement of physical properties of ZnO nanomanaterials can be carried out through a process of doping, coating or composite with metal materials and non metal materials. This research aims to synthesize …
This study aims to analyze and examine the development of Viscosity Instruments based on angular speed, which is used for students to understand the viscosity concept. A rotation phototransistor sensor and a PT 100 temperature sensors were used to detect the rotation per minute (RPM) as well as the temperature variation processed by a microcontroller, which is then displayed on the LCD scr…
Detection and monitoring of environmental pollution, especially water pollution, need to be done regularly. Contaminated water was characterized by a decrease in the concentration of dissolved oxygen (Dissolved Oxygen, DO), which is detected using a biosensor. Living cell-based biosensors utilize cell metabolism, which results in high impedance so that measurements at low currents with the …
This study aims to design and develop an experimental straight motion device using Arduino Uno to calculate the velocity, distance, time and acceleration that has been taken by an object moving in an orderly way or moving straight in an orderly way. This research is a development research using the ADDIE model with five stages, namely analysis, design, development, implementation and evalua…
Blended learning module is a module whose application can be done in two learning: face to face learning and also on online learning. The purpose of this research is to design and produce a valid blended learning module on electromagnetic radiation material as a source of learning physics in class XII in high school and this research uses Google Classroom as a learning management system. This r…
Tangkerang Tengah Village is one of the residential locations with a densely populated area and has peat lithology. This condition causes the impact of underground water pollution due to domestic waste from housing. This study was aimed to determine the distribution pattern and qualities of its groundwater in Tangkerang Tengah village. The method used is the geoelectric of Wenner configura…
The very rapid industrial growth in Rimbo Panjang village hurts the environment. The gas station industry can have an impact on underground water pollution due to leaks in reservoirs or spills. The level of water pollution will be at greater risk because in the Rimbo Panjang area there is peat lithology. The method used is the Schlumberger rule geoelectric survey with two passes, while the …
Outdoor Learning-based physics student worksheets are assignment sheets which contain instructions for activities to be used outside the classroom. The main objective of this study is to develop a valid physics student worksheet based on outdoor learning in straight motion material for class X SMA. The subject of this study was an outdoor learning based LKPD developed in class X physics su…
The purpose of this study was to produce a valid powtoon-based physics learning video on straight motion material for class X high school seniors. The product developed in the form of a powtoon-based physics learning video on straight motion material for high school class x. The research method used in this study is to use the ADDIE model. The ADDIE model consists of five stages, namely Analysi…
This study aims to describe the increase of students' interest in learning and scientific attitudes through the application of Flipped Classroom Blog on business and energy materials in the 10th grader of SMAN 5 Pekanbaru. The methodology of the research is quasi-experimental which the experimental class was treated with the Blog Flipped Classroom learning, while the control class as convention…
Learning success determines the extent to which students' ability to achieve learning outcomes. Analysis of students 'abilities in solving problem can be used by the teacher as a tool in determining the extent of students' abilities, so that better learning methods can be carried out. The purpose of this study was to determine the ability of students in solving LOTS and HOTS problems in phy…
The purpose of this study was to determine the validity of the development of interactive learning media using Lectora Inspire on Motion and Style material. This development research uses the R&D (Research and Development) method developed by Borg and Gall (1983). The object of this research is interactive learning media using Lectora Inspire on the material of motion and style at junior hig…