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31	Chemistry Education	ABS-51
INNOVATION OF CONTEXTUAL CHEMISTRY TEACHING MATERIALS BASED ON RESEARCH RESULTS OF PRODUCING LIQUID ORGANIC FERTILIZERS MADE OF BAMBOO SHOOTS (DENDROCALAMUS ASPER) OMAY SUMARNA INDONESIA UNIVERSITY OF EDUCATION Abstract One of the problems related to the quality of education, especially those related to Chemistry learning, is the existence of difficulties that are still experienced by students in learning this subject. As a result, many students experiencing failures in studying Chemistry. To overcome the problem experienced by students in studying Chemistry, a learning strategy is needed to change students^ view that learning Chemistry is fun and less difficult. One of the strategies offered by experts and has been proven to increase students^ understanding of chemical concepts and scientific literacy is contextual-based learning. The students^ environmental and cultural backgrounds have a greater effect on the educational process than the effects contributed by the provision of learning materials. One context that can be used as a focus in chemistry learning is the manufacture of liquid organic fertilizer from bamboo shoots (Dendrocalamus Asper) through a fermentation process with the help of bacteria. This fermentation process can be followed by changes by measuring changes in the volume of gas produced at any time. In this research, the process of fermenting bamboo shoots into liquid organic fertilizer is the theme of the experiment to determine the order of the reaction that can be done by students through a project-based learning model. Keywords: Bamboo Shoots, Contextual Teaching Materials, Project Based Learning, Liquid Organic Fertilizer Share Link | Plain Format | Corresponding Author (Omay Sumarna)

32	Chemistry Education	ABS-94
Implementation of Learning Cycle 5E with Cognitive Dissonance Strategi based on Multiple Representations: One of Solution to Reduce Students^ Misconceptions on Salt Hidrolysis Topic Hayuni Retno Widarti (a*), Putri Octaviani (b) a) Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang Jalan Semarang 5 Malang 15145, Indonesia *hayuni.retno.fmipa[at]um.ac.id b) Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Negeri Malang Jalan Semarang 5 Malang 15145, Indonesia Abstract Chemistry is conceptual and abstract, so it creates a lot of misconceptions that are resistant and difficult to change, but can be minimized. This study aims to determine application of Learning Cycle 5E learning model with Cognitive Dissonance strategy based on multiple representations in reducing students^ misconceptions on salt hydrolysis topic. This research is a quantitative study with a research design using a quasi-experimental and One Group Pre-test Post-test design. The research sample consisted of 25 students of class XI MIPA 4 at SMAN 2 Malang. The results showed that the average percentage of salt hydrolysis misconceptions decreased after learning activities. The results of analysis of students^ misconceptions in the pretest answers were 32% and experienced a reduction to 23% in posttest results. The results of this study indicate that Learning Cycle 5E with Cognitive Dissonance strategy based on multiple representations is able to minimize the percentage of students^ misconceptions on the salt hydrolysis material. Keywords: Misconception, CDMR strategy, Learning Cycle 5E, salt hydrolysis Share Link | Plain Format | Corresponding Author (Hayuni Retno Widarti)

33	Chemistry Education	ABS-128
The effectiveness of using chemistry triangle-oriented chemical bonding module to enhance students learning outcomes Dian Hasanah(a*), Hardeli(b) a*) Universitas Negeri Padang, Jalan Prof. Dr. Hamka. Padang, West Sumatera, Indonesia *dianhasanahdian[at]gmail.com b) Chemistry Education, Faculty Mathematic and Natural Sciences, Universitas Negeri Padang Abstract Module is one of the teaching materials that can be used in the learning process. Chemistry triangle can help student to understand concepts in chemistry. The chemistry triangle-oriented chemical bonding module has been tested for validity and practicality. However, it has not been tested for effectiveness on students learning outcomes. This study aims to reveal the effectiveness of chemistry triangle-oriented chemical bonding module to enhance students learning outcomes. This research is a quasi experiment research, non equivalent control group design. The results of this study showed that the difference in the pretest-posttest value of the class using module (63,27) and the class learning without module (54,18). The results of the effectiveness test showed that the module has a high effectiveness on the learning outcomes of students with an N-gain value of 0.79. Keywords: Chemistry triangle- module- effectiveness- chemical bonding Share Link | Plain Format | Corresponding Author (Dian Hasanah)

34	Chemistry Education	ABS-191
The Design of Thermochemistry Practical Work Using Virtual Laboratory Galuh Yuliani, Heli Siti Halimatul, Siti Aisyah, Tuszie Widhiyanti, Siti Supriyanti Universitas Pendidikan Indonesia Abstract The Covid-19 pandemic has forced teachers to convert their traditional teaching media into online learning. This may not create significant obstacles for theory delivery, but this is certainly difficult for practical works in chemistry. Unlike other subjects, chemistry required students to understand how the knowledge is gathered and the aspects of data acquisition in chemistry. Students are required to understand the Nature of Science and this is normally achieved by providing practical works enabling students to experience first hand the science process skills in chemistry. Although there are probably no online media that matched students actual activity in the laboratory, virtual laboratory may provide some benefits. These include students ability to understand laboratory apparatus, observe and understand science phenomena, collecting data, changing variables and analyzing experiment results. This study shows how teachers can design a laboratory activity based on the available virtual laboratory on thermochemistry topic. The integration of the topic to national curriculum, laboratory work design, students worksheet development are described in detail. This may serve as an alternative for thermochemistry learning in high school. Keywords: thermochemistry- virtual laboratory- Design Share Link | Plain Format | Corresponding Author (Galuh Yuliani)

35	Chemistry Education	ABS-238
Application of the RADEC Model in Bifunctional Organic Compounds Lectures During the COVID-19 Pandemic Amelinda Pratiwi (a), Asep Kadarohman (a) (a) Universitas Pendidikan Indonesia Abstract During the COVID-19 pandemic, all educational institutions conduct learning through distance learning. This makes teachers and students have to adapt to online learning, particularly in bifunctional organic compound course, which requires comprehension at the macroscopic, submicroscopic, and symbolic levels. To improve student^s knowledge, an effective online learning method is required. The RADEC (Read-Answer-Discuss-Explain-Create) model was chosen as the model for bifunctional organic compound lectures. These activities were carried out through 5 stages via online learning, including reading lecture materials, doing pre-learning assignments, doing pre-test, doing discussion, and doing post-test. This lecture was attended by 43 students from Chemistry Education study program. Student^s reading time grew by an average of 2.54 hours, and the actual ability of students can be seen through the value of pre-learning assignments. Pre-test and post-test were given to determine student^s potential abilities. Based on the calculation data shows that the discussion affects increasing the potential ability of students. The improvement of students^ potential abilities is not always the same in each topic, this can be seen from the N-Gain scores on each topic. The N-Gain value in preparation of bifunctional compound and diene reaction topics, showed a very low increase (N-Gain value < 0.3). Keywords: RADEC, online, actual, potential, bifunctional Share Link | Plain Format | Corresponding Author (Amelinda Pratiwi)

36	Chemistry Education	ABS-249
Developing Gform-Based Worksheet For Chemistry Science Literation Learning With Education For Sustainable Development (ESD) Approach Hernani Hernani (a*), Fitri Khoerunnisa (b), Sri Mulyani (c) (a*),(b),(c) Department of Chemistry Education, UPI Jalan Dr. Setiabudhi 229 Bandung 40154, Indonesia Abstract The sudden transition to remote learning during the pandemic situation brought tremendous challenges especially in developing student^s science literation skills. Education for Sustainable (ESD) is one of the suitable approaches applying science literation in chemistry learning activities that encourage students with knowledge, skills, values, and attitudes to make decision and responsible actions in order to support sustainable development goals. To facilitate student^s learning activities, a specific worksheet must be prepared. Google form-based worksheet is one of the media that is suitable to be used for science literation learning due to the convenience in involving various and interactive media, obtaining real-time responses from students, and giving the feedback of student^s responses, especially for remote learning. In this activity, series of workshops in developing a Gform-based worksheet for chemistry science literation learning with ESD approach was done to 24 high school chemistry teachers. There was an increase in teacher insight about science literation, chemistry science literation, socio-scientific issues, and sustainable development goals so that it was produced various student worksheets that exploit the unique of chemistry concepts to deliver the message of socio-scientific issues in the implementation of Education for Sustainable Development (ESD) approach. Keywords: Gform-based worksheet, chemistry science literacy, ESD Share Link | Plain Format | Corresponding Author (Hernani Hernani)

37	Computer Science	ABS-260
Jakarta Website Information Self Isolation Using QGIS Anisa Rahmawati, Muhammad Rayhan Brata, Muhammad Rosyad Syamil, and Samsul Arifin Statistics Department, School of Computer Science, Bina Nusantara University, Jakarta, Indonesia 11480 Abstract The increase in Covid-19 is increasingly significant, especially in Jakarta. The increase in Covid-19 cases in Jakarta today touched 849,843 new cases as of August 30, 2021. The high increase in Covid-19 cases is due to the presence of this new variant of the Covid-19 virus, namely the lambda variant which is more deadly than the previous Covid-19 virus. Based on the data on the increase in the Covid-19 virus, a website was created regarding hotels that have self-isolation facilities. The purpose of this website is to help people who need a place to self-isolate. Researchers took 30 samples of hotels spread across Jakarta, and Tangerang and have self-isolation facilities, making this website using QGIS technology which has Geographic Information System technology. Keywords: Covid-19, Self Isolation, QGIS Share Link | Plain Format | Corresponding Author (Samsul Arifin)

38	Computer Science	ABS-261
Android Application Development Using Flutter Framework: Creation of Geolocation System Module To Validate User Location Coordinates Elmer Matthew Japara, Samsul Arifin Statistics Department, School of Computer Science, Bina Nusantara University, Jakarta, Indonesia 11480 Abstract As the times develop, where almost every aspect of human life goes hand in hand with technology and is also influenced by technology forcing various parties, both from a company and individuals, to implement technology in business practices or daily needs. As the global economy has entered the Industry 4.0stage, which means traditional manufacturing and produc-tion practices are starting to shift to smart technology,machine-to-machine communication (M2M) and Internet-of-Things (IoT) on an integrated scale for increased automation, improved communication and self-monitoring, and the production of smart machines that can analyze and diagnose problems without the need to mix. Human hands. It is necessary for a com-pany that competes fiercely to continue to develop their technology that can be ranging from software,operating systems, robotics, to production machines to achieve high effectiveness and efficiency. In this paper will be explained about the im-plementation of geolocation systems to find location data from application users, certain analysis, and possible develop-ments of the system in accordance with the needs of the system. Keywords: Android Application, Flutter Framework, Geolocation System Module Share Link | Plain Format | Corresponding Author (Samsul Arifin)

39	Computer Science	ABS-9
Development of C2C Marketplace Model Using Progressive Web Application Dwi Ely Kurniawan (a*), Afdhol Dzikri (b) a) Department of Informatics Engineering, Politeknik Negeri Batam * dwialikhs[at]polibatam.ac.id b) Department of Multimedia Engineering, Politeknik Negeri Batam Abstract Since the Covid-19 pandemic, the growth of E-commerce in Indonesia has increased sharply. Due to the shift in human habits or activities from offline to online. However, the lack of facilities and infrastructure is a problem fisher face when they want to distribute their catch. This study develops an online marketplace to provide convenience for fishers in marketing their catch. This study aims to create a Customer to Customer (C2C) marketing system model with Progressive Web Application (PWA) technology. PWAs can develop applications in a fast, reliable, and attractive user experience. The product display uses the closest distance calculation based on the region category. Transactions are limited to using the COD system to adjust to the background of knowledge, trust, and customer convenience. The development research results show that the system can work well following the analysis of user needs. Keywords: C2C, marketplace, PWA, COD Share Link | Plain Format | Corresponding Author (Dwi Ely Kurniawan)

40	Computer Science	ABS-15
Evaluation of Green Hospital Implementation Aspects of Location and Landscape in the Construction of the BhayangkaraSartikaAsih Hospital Building, Bandung City Iskandar Muda Purwaamijaya, Rina Marina Masri, Azmi Baharuddin Yusuf Civil Engineering FPTK UPI Abstract Planning with the Green Hospital concept is an effort to achieve environmentally friendly building certification issued by the Ministry of Health of the Republic of Indonesia. Hospital is a building that plays a role in improving health so that it has a positive impact on a good quality of life. This study aims to evaluate the implementation of the Green hospital in the aspects of the location and landscape of the BhayangkaraSartikaAsih hospital building in Bandung. Evaluation on the location and landscape aspects of the BhayangkaraSartikaAsih hospital building produces a rating and recommendations that will serve as a reference for the future. This study uses the standard guidelines for the Green Hospital of the Ministry of Health of the Republic of Indonesia in its measurement. The results of the evaluation, the BhayangkaraSartikaAsih hospital building received 4 implementation points with a percentage of 57.14%. Then from the measurement results of the building^s existing condition, technical recommendations are made. So that the hospital can implement several Green hospital indicators that are not yet available or not yet suitable. Keywords: green hospital, implementation, location, landscape, construction Share Link | Plain Format | Corresponding Author (ISKANDAR MUDA PURWAAMIJAYA)

41	Computer Science	ABS-19
A Secure Biometric and PUF-based Authentication at Remote Real-Time Data Access in IWSN-based Healthcare Environment E Haodudin Nurkifli National Cheng Kung University Universitas Singaperbangsa Karawang Abstract The fundamental concept in an IWSN-based Healthcare Environment is that doctor^s device can access the data in real-time directly from a patient^s sensor. Unfortunately, wireless-based communication between the doctor^s device and the patient^s sensor is vulnerable to several kinds of attacks such as impersonation, tracking, DoS, and cloning attack. Therefore, this article tries to resolve the security problems in an IWSN-based Healthcare Environment. Moreover, both the informal and formal analyses are used to ensure that the proposed scheme has the security features and withstands kinds of attack. Keywords: IWSN, Healthcare Environment, Security, Informal, and Formal Analyses Share Link | Plain Format | Corresponding Author (E Haodudin Nurkifli)

42	Computer Science	ABS-75
Analysis of Green Hospital Implementation Assessment in Building Construction Bhayangkara Sartika Asih Hospital to Realize Sustainable Health Services Rina Marina Masri, Iskandar Muda Purwaamijaya, Azmi Baharuddin Yusuf Teknik Sipil Universitas Pendidikan Indonesia Abstract Visually, the construction of Bhayangkara Hospital is not in accordance with Green Hospital guidelines. For each hospital planning with the concept of Green Hospital is an effort to realize sustainable health services. The purpose of the study was to examine and evaluate the implementation of the Green Hospital indicator in the construction of the Bhayangkara Sartika Asih Hospital Bandung and provide solutions to the Green Hospital indicators that were not appropriate. The research method uses the index scale of the Green Hospital guideline assessment tool of the Ministry of Health of the Republic of Indonesia in 2018. The data used are primary data and secondary data. The research instrument uses an observation sheet, the data analysis technique uses a green hospital guide index scale. The results showed that the index scale assessment showed that the Bhayangkara Hospital building had implemented several Green hospital indicators. However, there are several indicators of green hospital that are not appropriate in the construction of the Bhayangkara Hospital building. The conclusion of the research shows that the index scale shows that the Bhayangkara Hospital building gets a total of 57% with a gold predicate, some indicators still need to be improved. Keywords: analysis, green hospital, implementation, assessment, construction, sustainable health services Share Link | Plain Format | Corresponding Author (RINA MARINA MASRI)

43	Computer Science	ABS-83
Implementation Of Agriculture Decision Support Systems (ADSS): Literature Review Jajam Haerul Jaman, Agus Buono, Dewi Apri Astuti, Burhanuddin Bogor Agricultural University Abstract Cattle commodities are cattle that have a high selling value, in each country each year consumption is always increasing, so the need is higher. To be able to meet market demand, serious handling of this commodity is also needed, so that factors that can affect cow productivity can be handled properly with the aim that its production can increase. One of the foundations of this research review is to examine the development of science and technology that can support livestock management. The approach we provide is to utilize technology in the field of computer science with a decision-support system (DSS) approach that can help farmers to manage what to do, whom to do when to do, where to do it, and how to do it. DSS is part of computer science that integrates with information systems as a container, in this study we will also provide how DSS can be run on farms and the basics of what to know before reviewing related sciences in this DSS, there are several review studies that we will present here, namely, Information Systems, Decision Support Systems, and literature reviews of problems on cattle farming in particular productivity and well-being. Keywords: Decision Support System, Information System, Livestock, Cattle Delivery, Transportation Share Link | Plain Format | Corresponding Author (Jajam Haerul Jaman)

44	Computer Science	ABS-148
Fuzzy Logic Controller for Light Intensity and Humidity Control System of Greenhouse and Its Monitoring using LoRa communication protocol Asep Najmurrokhman*, Kusnandar, Udin Komarudin, Rima Rachmalia Dept. of of Electrical Engineering, Universitas Jenderal Achmad Yani, Cimahi 40531, Indonesia *asep.najmurrokhman[at]lecture.unjani.ac.id Abstract Nowadays, land for farming in urban areas is decreasing. One of the efforts to grow crops in such urban areas is to build a greenhouse. To ensure good growth of plants in the greenhouse, the light intensity and humidity in the greenhouse area should be kept at a proper condition. This paper describes the design of a fuzzy logic controller to maintain the light intensity and humidity in a prototype greenhouse at a certain setpoint. The input variables for the fuzzy inference system consist of light intensity and humidity, while the output variables are the duration of watering and ultraviolet LEDs. The input and output variables are represented by five fuzzy sets respectively with a certain trapezoidal and triangles membership functions. Meanwhile, monitoring the condition of the greenhouse using the LoRa communication protocol. Experimental results show that the Mamdani fuzzy inference system for this greenhouse system can regulate light intensity and humidity effectively with a maximum overshoot of about 10% and a settling time of approximately 4 hours, whereas the maximum achievable range for transmitting data with the LoRa communication protocol is about 520 m. Keywords: fuzzy logic controller- greenhouse- LoRa communication protocol- Mamdani inference system Share Link | Plain Format | Corresponding Author (Asep Najmurrokhman)

45	Computer Science	ABS-149
SMART CAMPUS: TOUR GUIDE BASED ON AUGMENTED REALITY AS A SYSTEMATIC LITERATURE REVIEW Eka Fitrajaya Rahman, Rasim, Erlangga Department of Computer Science, FPMIPA, UPI Abstract Smart campus provides convenience for its users. Finding a location in the campus area becomes a problem for new users. Mobile platform technology supported by high-end mobile devices is one solution. Augmented Reality (AR) which combines mobile computing and the real world has become a trending new technology for campus tour guides. This study will present augmented reality SLRs for tour guides related to tracking technology, frameworks, and interfaces. The results showed that markerless was the most robust method. The AR framework deals with design/methodology/approach using multiple technologies related to algorithms or multimedia. Furthermore, the 3D guide tour interface provides an immersive experience to the user. Keywords: Smart campus, Campus Tour Guide, Augmented Reality Share Link | Plain Format | Corresponding Author (Rasim Rasim)

46	Computer Science	ABS-157
Leveraging Virtualization Technology for Networking Virtual Laboratory Galura Muhammad Suranegara, Endah Setyowati, Ahmad Fauzi, Adisty Nurrahmah Laili, Sanni Deslia Pasaribu Universitas Pendidikan Indonesia Abstract This study aims to build a virtual laboratory in networking field by leveraging virtualization technology. The R&D research framework is used in this study and has been tested on a limited basis on a laboratory scale. The virtualization technology has succesfully implemented in our virtual laboratory infrastructure. However, several supporting technology is adopted to provide easy access for students to access virtual laboratories. In addition, some adjustment is done to virtual machines to suits the needs of students learning practice in the field of networking. Some of these adjustments were made because we need to suit the hardware specifications and to provide the best practical experience. With the virtual laboratory, students no longer facing heterogeneous instalation result, no longer need to have high specification PC for simulation and even they can access the virtual laboratory through their smartphones. Another impact of this virtual laboratory is it can be accessed anytime and anywhere so students are expected to get a better hands-on experience to support the achievement of their competencies. Keywords: virtualization, virtual laboratory, hypervisor Share Link | Plain Format | Corresponding Author (Galura Muhammad Suranegara)

47	Computer Science	ABS-167
Performance analysis of 16-QAM and 64-QAM with Low Density Parity Check Code on Wireless Communication System Endah Setyowati, Galura Muhammad Suranegara, Ahmad Fauzi, Banda Subagja Universitas Pendidikan Indonesia Abstract Wireless communication systems evolve according to the needs of their users. In a communication system, it is necessary to determine the use of methods in order to obtain good system performance. One of them is the accuracy in the use of modulation in a communication system. QAM is known to have a fairly good performance for communication systems. M-ary QAM is a QAM modulation with M-ary values of 4, 8, 16, 32, 64, and so on which are multiples of 2. The higher the M-ary value, the higher data rates will support. However, if the channel condition is poor, then the small M-ary value must be small. Because if the M-ary value is bigger on a bad channel, it will cause more errors. In addition, the use of LDPC code as channel coding can provide additional improvements to system performance. In this paper, the results of the system performance on the use of 16 QAM and 64 QAM on a channel are simulated using MATLAB software. It is known that by using 16-QAM and LDPC code, a smaller SNR value is obtained than using 64-QAM to achieve the target BER 10-3. Keywords: QAM, modulation, LDPC, channel coding, BER. Share Link | Plain Format | Corresponding Author (Endah Setyowati)

48	Computer Science	ABS-196
Android-Based Mobile Academic Information using Push Notification for Supporting the Students Academic Activities: A Case Study Rosa Ariani Sukamto, Erna Piantari, Lundy Van Kevin Universitas Pendidikan Indonesia Abstract Nowadays, smartphone becomes the essential gadget in society, especially in Indonesia. The smartphone user number develops rapidly, especially during the COVID-19 pandemic. The COVID-19 pandemic forced many countries to do quarantine and most of the outdoor activities must be done online. This situation can make the information spread via smartphone device becomes a good choice. This research aimed to build a prototype model for android-based mobile academic information using push notification for supporting the student^s academic activities. The main purpose of this research is to build mechanism of information spread from university to its students rapidly. Therefore, the students can receive the information as soon as possible as long as they access their smartphone. This prototype model was tested using the system usability scale (SUS) Brooke version and a questionnaire with Likert scale. The testing results reveal that this prototype model is feasible and 87.88% of the respondents definitely agree that this mechanism can potentially help their academic activities. Keywords: academic information, push notification, academic activities, prototype model, android-based application Share Link | Plain Format | Corresponding Author (Rosa Ariani Sukamto)

49	Computer Science	ABS-197
AUTOMATIC BODY TEMPERATURE DETECTION GATE USING ARDUINO UNO AND BLYNK APP SERVICES ON ANDROID SMARTPHONE Muhamad Nursalman, Nopen Ariko Universitas Pendidikan Indonesia Abstract Covid-19 has become a worldwide pandemic that has disrupted human social activities. The transmission of this virus is so fast through intermediary objects or touching one another and causes some symptoms, some even have no symptoms at all even though they have contracted Covid-19. With the transmission through touch, social distancing is enforced, hand washing and reducing touching objects in public places. Even at this time to enter some places have to go through temperature measurements by officers manually. However, measuring body temperature manually will cause officers who take body temperature measurements using firing thermometers to be vulnerable to contracting or transmitting Covid-19 and also causing queues to pile up which results in crowds. Overcoming this requires an automatic body temperature measuring device that can be monitored from the officer^s smartphone. In this study, a tool was designed by utilizing components such as Arduino Uno, temperature sensor and ESP8266 Wifi Module as data transmission to the Blynk application service on Android smartphones. The tool is placed on a doorstop which is made with two conditions, namely, if the body temperature is below 37 &deg-C then the doorstop as a gate will open. On the other hand, if the body temperature is above 37&deg-C, the doorstop will not open. The results of the suitability of comparative data using a firing thermometer using this tool in 30 trials are about 85%. The officers only need to see the body temperature of each person on their smartphone, so there is no contact between the officers and the people who come. Keywords: covid-19, temperature sensor, arduino uno, ESP8266 Wifi Module, Blynk, doorstop Share Link | Plain Format | Corresponding Author (Muhamad Nursalman)

50	Computer Science	ABS-198
IMPLEMENTATION OF ARDUINO UNO AND ULTRASONIC SENSORS IN THE INTERNET OF THINGS BASED WASTE CAN AT THE SCHOOL OF KUNTUM CEMERLANG Muhamad Nursalman, Nopen Ariko, Rizky Rachman Universitas Pendidikan Indonesia Abstract Based on data from the United Nations Population Fund (UNFPA), the world^s human population in 2021 is 7,875 million. Meanwhile, the human population in Indonesia in 2021 is 276.4 million people. The more human population, the more waste generated. The Ministry of Environment and Forestry (KLHK) on its website states that the amount of national waste in 2020 is projected to be around 67.8 million tons and will continue to grow along with population growth. In order to avoid the accumulation of garbage which results in bins or trash cans being full and scattered, it is necessary to monitor waste by cleaning staff. Waste monitoring carried out by the cleaning staff at Kuntum Cemerlang School is still manual, so it takes a long time to check all the existing trash cans, as a result, it is too late to dispose of waste to the waste bank. One of the innovations that can speed up the monitoring process is to use ultrasonic sensors to determine the height of the waste from the smartphone. The ultrasonic sensor is connected to an arduino uno based on the Internet of Things (IoT) using the Blynk application service on an Android smartphone. The data from the ultrasonic sensor is transmitted to the Blynk application via the ESP8266 Wifi Module. This study uses electrical energy sources from Powerbanks, Solar Panels and Laptops. The height of the waste was made into three conditions, namely full condition (<7 cm), almost full condition (8-20 cm) and still empty condition (>20 cm). The level of suitability of the contents of the trash can with the output on the Blynk application from 30 trials in each condition is 98% valid. With this waste monitoring can be done faster than before. Keywords: garbage, condition, internet of things (IoT), ultrasonic sensor, arduino uno, ESP8266 Wifi Module, Blynk Share Link | Plain Format | Corresponding Author (Muhamad Nursalman)

51	Computer Science	ABS-209
Sessional Space-Time Based Model for Infectious Disease Prediction Erna Piantari, Iqdam Musayyad Rabbani, Rani Megasari Universitas Pendidikan Indonesia Abstract Research on infectious diseases prediction has become a concern for many researches globally. This is realized because the outbreak of infectious diseases has a negative impact for on the quality of human life, including economic conditions. The aim of prediction of infectious diseases is to maximize preventive action so the large-scale outbreak of infectious diseases could be minimized. Although predicting the diseases is not an easy job, but with more data being collected and the progress of methods, this not impossible to do. In addition, some infectious diseases such as ARI (Acute Respiratory Infection)often occur in certain environmental conditions and certain time. So it has been realized that some occurrences of these diseases are seasonal and cannot be separated from the condition of time and location. Therefore, in this study we create a model to predict a potential incidence of infectious diseases based on space-time condition using STARIMA (Sessional Space-Time Autoregressive Moving Average). Keywords: infectious diseases, STARIMA, space-time model Share Link | Plain Format | Corresponding Author (Erna Piantari)

52	Computer Science	ABS-213
A Normalized Cross-Correlation Convolutional Neural Network (CNN-NCC) for Exemplar-Based Object Detection Yaya Wihardi, Winda Mauli Kristy, Erlangga, Arjon Turnip, Intan Nurma Yulita, Endroyono Department of Computer Science, Universitas Pendidikan Indonesia Artificial Intelligence and Big Data Research Center, Universitas Padjadjaran Department of Electrical Engineering, Institut Teknologi Sepuluh Nopember Abstract On this study we try to build an exemplar-based object detector based on Convolutional Neural Network with Normalized Cross Correlation matching. Our proposed method is did not need to re-train for identified unknown object that have not been acknowledge by model during training stage. The result show that the model achieves 0.449 mAP on COCO dataset. Keywords: CNN, Normalized Cross Correlation, Object Detection, Exemplar Based Share Link | Plain Format | Corresponding Author (Yaya Wihardi)

53	Computer Science	ABS-231
The Success of a Construction Project is Based On the Relationship Between the Foreman and the Handyman by Considering Cost, Quality, Time, and SMKK in the Regression Model Lukman Subangi, Agung Wibowo, Jati Utomo Construction Management, Universitas Diponegoro Departemen Teknik Sipil, Gedung D Lantai 2 Jl. Prof. Soedarto, SH, Tembalang, Semarang, Jawa Tengah, Indonesia, Kode Pos 50275 Faculty of Engineering (FT) Civil Engineering Department S3 Civil Engineering Abstract The success of a construction project can be said to be successful if it meets several aspects, according to its development the level of success must at least be met from the aspects of Cost, Quality, Time, and SMKK (construction safety management system). Each of these aspects has its own parameters, so the overall achievement is needed so that success can be achieved. If we assume that this aspect is a function, then we can formulate it as follows: fj (x1,....., xn) = a(j,1).x(j,1)^(P(j,1)) + ... + a(j,n).x(j,n)^(P(j,n)) fk (x1,....., xn) = b(k,1).x(k,1)^(P(k,1)) + ... + a(k,n).x(k,n)^(P(k,n)) fl (x1,....., xn) = c(l,1).x(l,1)^(P(l,1))+ ... + a(l,n).x(l,n)^(P(l,n)) fm (x1,....., xn) = c(m,1).x(m,1)^(P(m,1)) + ... + a(m,n).x(m,n)^(P(m,n)) in which : fj = function of cost fk = function of quality fl = function of time fm = function of SMKK a(j) = Coefficient /quality for x(j) b(k) = Coefficient /quality for x(k) c(l) = Coefficient /quality for x(l) d(m) = Coefficient /quality for x(m) Pjn, Pkn, Pln, Pmn, where -~ < p(j), p(k), p(l), p(m) < ~ (a constant where value is between negative infinity and infinity) By taking a function-based approach, we can map out that the efficiency value in the function at which point is the optimum result. So that the mapping based on these functions can provide an understanding of the parameters that can provide the best results in the success of a construction project. Keywords: cost, quality, time, smkk, polynomial function Share Link | Plain Format | Corresponding Author (lukman subangi)

54	Computer Science Education	ABS-42
LMS-Google Classroom Digital Platform: Between Learning Readiness and Anxiety Hamdan Sugilar 1, a), Wahyudin Darmalaksana2 , Ferli Septi Irwansyah3 , Dian Sa^adillah Maylawati4, Widodo Dwi Ismail Aziz5, and Tika Karlina Rachmawati6 UIN Sunan Gunung Djati Bandung Abstract Online learning is the main alternative to distance learning. The purpose of this study was to determine the response of readiness and unpreparedness or anxiety of students learning through the LMS Google Classroom. The research method in the form of a survey was given to 760 grade X, XI, and XII students at two high schools in Bandung Regency, an instrument in the form of a questionnaire via google form was given in August 2020. The results showed that 64.7% of students were ready to learn through LMS Google Class Room, but feel that 74.6% of students cannot learn mathematics, this is a small part of students^ anxiety about learning online Keywords: Readiness and Anxiety learning, Google Classroom, Online Learning Share Link | Plain Format | Corresponding Author (Hamdan Sugilar)

55	Computer Science Education	ABS-45
Analysis of Teacher Needs on Interactive Learning Media for Distance Learning Siti Nurkamilah (a*), Rifaatul Muthmainah (b) Institut Pendidikan Indonesia Garut Abstract Abstract. This study aims to determine the teacher^s need on interactive learning media for distance learning. This research is a qualitative research using descriptive method. The research subjects involved were SMA and MA biology teachers in Garut Regency. The results of this study indicate that students initial understanding of biological material is needed, then interactive learning media is needed in the distance learning process. The need for content or material in interactive learning media must be in accordance with the core competencies and basic competencies that exist in schools. Learning objectives and materials can be presented briefly and clearly. In addition, there is a need for an evaluation process at the end of interactive media in the form of multiple choice. For the aspect of visual communication, bright colors are needed that do not confuse the appearance and provide comfort for students accompanied by animation, audio, pictures, the right typeface and accompanied by distinctive icons that can help students remember the material presented. The media used in distance learning needs to be distinguished from direct learning media so that students can easily understand the material presented, besides that teachers can easily monitor students^ cognitive development. The perception of most teachers regarding the appropriate interactive learning media used in the distance learning process is to use Android and it is easy to operate Keywords: Teacher Needs- Interactive Learning Media- Distance Learning Share Link | Plain Format | Corresponding Author (siti nurkamilah)

56	Computer Science Education	ABS-107
Utilizing the Song Maker Application to Improve Singing Skills J. Julia, Sandie Gunara, Tedi Supriyadi 1. Elementary Teacher Education Program, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Bandung 40154, Jawa Barat, Indonesia 2. Music Education Program, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi no 229, Bandung 40154, Jawa Barat, Indonesia Abstract Practicing vocals to sing well requires musical accompaniment support and tools to evaluate. This article aims to investigate using the Song Maker application in vocal training and evaluate its quality. A qualitative approach is used to describe each process in its implementation. This process consists of six stages, consisting of (1) installing the Song Maker application, (2) creating a new project, (3) inputting musical accompaniment, (4) recording vocals, (5) combining vocals and musical accompaniment, and ( 6) evaluate the quality of the recording. The results show that users can listen to the quality of their singing accompanied by music through the Song Maker application. Users can delete and re-record with better vocal quality. Thus, the Song Maker application can help in training to improve the quality of singing based on evaluations from users themselves or the judgment of others. Keywords: Song Maker Application, Singing Practice, Vocal Recording, Vocal Evaluation Share Link | Plain Format | Corresponding Author (J. Julia)

57	Computer Science Education	ABS-118
Acceleration of Curriculum Adaptation Through Fiber Optical Workshop for Vocational School of Computer and Network Engineering Majors in Purwakarta Ahmad Fauzi, S. Widodo, Endah Setyowati, Galura M. Suranegara, Rian Andrian Universitas Pendidikan Indonesia Abstract Curriculum change is one of the challenges in the daily practice of education. In The Vocational High School of Computer and Networking Engineering majors as particular, the curriculum changes provide an update on Core Competencies and Basic Competencies (KIKD). Some of these changes include the emergence of core competencies in reviewing fiber optic networks, using fiber optic work tools, making fiber optic connections, repairing fiber optic networks and so on. The consequence of the emergence of the KIKD renewal is that teachers are required to improve their competence in the field of fiber optics. Currently, learning related to fiber optics is only given theoretically. This is due to the lack of teacher competence and limited support for tools and materials for fiber optic practicum. Therefore, a solution is needed so that KIKD needs can be met in accordance with the new adapted curriculum. We found that more than 75% of teachers stated that they could adapt better by participating in the workshop activities.So that, this program has provide fiber optic workshops to Vocational High School teachers of Computer and Networking Engineering majors in Purwakarta with the acceleration in the adaptation of the new curriculum for them. Keywords: fiber optic, curriculum, competence, purwakarta Share Link | Plain Format | Corresponding Author (Ahmad Fauzi)

58	Computer Science Education	ABS-127
Fundamental Digital systems learning based on FPGA and VHDL Helena Widiarti, Agung Alfiansyah, Nicholas Cliff, Vincentius Reynaldo Prasetiya Mulya University BSD City Kavling, Jl. Edutown Jl. BSD Raya Utama No.1, BSD City, Kec. Pagedangan, Tangerang, Banten 15339 Indonesia helena.widiarti[at]pmbs.ac.id Abstract Current learning process in digital system course utilized basic digital IC as tools to enable student experimenting with digital circuit. However, in recent years, the decreasing price of FPGA makes it as a good candidate tools for teaching digital system. In this work, the possibility of using FPGA to enhance the understanding of digital system material was analyzed. From the experiment, results obtained show positive contribution on raising the students interests and understanding. Keywords: Engineering education- Teaching method, Project based learning Share Link | Plain Format | Corresponding Author (Helena Widiarti)

59	Computer Science Education	ABS-143
Immersive intelligent Tutoring system: A Systematic Literature Review Rasim (a)(b)*, Armein Z.R. Langi (b), Yusep Rosmansyah (b), Munir (a) (a) School of Electrical and Informatics Engineering, ITB (b) Department of Computer Science, FPMIPA, UPI Abstract ITS is a personal learning that provides feedback according to the characteristics of students. ITS has 4 components, namely: domain module, pedagogy module, student module, and interface. Each component can be increased its effectiveness by using technology. The use of ITS can improve learning outcomes. However, ITS often forgets about immersion so that students^ attention may be lost. Immersion is a concept based on the concept of psychological flow so that students engage in learning. The four components of flow are: control, attention, motivation, and curiosity. The integration of ITS and immersion is not yet clear. This study will present the SLR immersive intelligent tutoring system related to technology for the effectiveness of each component of ITS, strategies to achieve immersion, the level of education that uses IITS, and implementation of IITS in learning. The results of this study indicate that AI and machine learning dominate the technology to increase the effectiveness of ITS. Furthermore, the use of games and virtual environments increases immersion in learning. IITS is used at various levels of education, from primary, secondary and higher education. The application of its and immersion is carried out on each component. Keywords: Immersion, intelligent tutoring, smart learning, personal learning, virtual learning environment Share Link | Plain Format | Corresponding Author (Rasim Rasim)

60	Computer Science Education	ABS-144
UBIQUITOUS LEARNING WITH MOBILE DEVICES: A SYSTEMATIC LITERATUR REVIEW Munir, Rasim Department of Computer Science, FPMIPA, UPI Abstract Today m-learning is a new trend in education. M-learning uses mobile devices and internet technology. M-learning is one of the ubiquitous learning that provides anywhere and anytime learning. M-learning can enhance different learning experiences for both students and teachers. This research will present SLR mobile learning related to technology, device, pedagogy, and framework. The results show that AR is used as a technology in renewable m-learning. The devices that can be used in m-learning are very diverse, but PDAs, cellphones, and tablets are the most widely used devices. Furthermore, m-learning has the advantage of interaction and collaboration between students and teachers. M-learning development uses a framework that is customized by the developer according to system needs Keywords: m-learning, ubiquitous learning, anytime and anywhere learning Share Link | Plain Format | Corresponding Author (Rasim Rasim)

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