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SCIENCE TECH: Jurnal Ilmiah Ilmu Pengetahuan dan Teknologi
Published by Universitas Sarjanawiyata Tamansiswa
ISSN : 24606286     EISSN : 25793624     DOI : 10.30738/science tech.v2i1.396
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Chemistry Computer Science & IT Engineering Materials Science & Nanotechnology
Jurnal SCIENCE TECH adalah jurnal yang diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M) Universitas Sarjanawiyata Tamansiswa (UST) Yogyakarta. Jurnal ini diharapkan sebagai media bagi dosen, peneliti, praktisi, mahasiswa dan masyarakat luas yang memiliki perhatian terhadap bidang dan perkembangan ilnu pengetahuan dan teknologi. Jurnal SCIENCE TECH terbit dua kali setahun yaitu Januari dan Agustus, setiap terbit 8 artikel.
Arjuna Subject : Umum - Umum
Articles 102 Documents
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PENGEMBANGAN MEDIA PEMBELAJARAN DASAR DESAIN BERBASIS FLIP CHART MENGGUNAKAN PUZZLE DI SEKOLAH MENENGAH KEJURUAN Risa Amelia; Siti Mariah; Enggar Kartikasari
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 7 No 2 (2021): Agustus
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol7.no2.a10003

Abstract

This research aims to: 1. Develop basic learning media based on flip chart designs; 2. Knowing the feasibility of the media through expert validation; 3. Knowing the students responses to the flip chart media. This type of research is development research with a Four-D development model. The validators in this study consisted of material and media experts, as well as class X students as subjects. The object of this research is the basic learning media for flip chart-based design. The research instrument used was a questionnaire. The data analysis technique used quantitative descriptive analysis.The results showed that: 1. The development of flip chart-based media was carried out in 4 stages, including: a. Define, which is to determine the product to be developed; b. Design, namely making product designs; c. Development, namely developing products through validation of material and media experts and conducting small-scale trials totaling 5 students, as well as limited scale trials totaling 15 students; d. Disseminate is a tested product deployment stage; 2. The flip chart-based learning media developed based on the material expert's assessment was 86.45% in the very feasible category and the media expert's assessment of 77.70% was in the feasible category; 3. The response of students to the use of small-scale flip chart-based learning media is 84.59% in the very highcategory and the assessment on a limited scale of 77.02% is in the highcategory.
ANALISIS SOFTWARE DEVELOPMENT KIT & METODE AUGMENTED REALITY: TINJAUAN SISTEMATIS Adinto Prasetyo
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 7 No 2 (2021): Agustus
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol7.no2.a10134

Abstract

Software Development Kit in Augmented Realityis used to make a software development process more efficient & time-saving, but the SDK itself has many varieties, this makes developers confused in determining which SDK to use.So that as a developer in the AR field, determining the SDK used is a very influential role in the process of running AR applications. Purpose: to provide knowledge of the SDK & the methods used for AR development are very diverse.Methods: this literature review using PRISMA guidelines.Google Scholar are databases used to collect articles with predetermined keywords. 127 articles obtained from the Google Scholar, checking the relevance of articles and evaluating articles with quality assessment. Results: research articles suggest that there are SDK that are widely used & the methods used for AR development in the specified timeframe. Conclusion: Vuforia’s AR SDK is more widely used. There are other SDKs used & there are 2 methods for AR development, namely Marker-Based, & Marker-Less.It is hoped that in the future, SDKs that arenot widely used will be used more often, maybe developers don’t know that there are so many SDKs that can be used and other methods can be used for AR development.
PERANCANGAN ALAT BANTU MANDI DAN AKTIFITAS TOILET PORTABEL TUNADAKSA BAGIAN BAWAH DENGAN MENGINTEGRASIKAN TAHAPAN FRONT-END PROCESS DAN METODE TRIZ Patrisius Edi Prasetyo; Agustinus Eko Susetyo; Dyah Ari Susanti
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 7 No 2 (2021): Agustus
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol7.no2.a10136

Abstract

Physical disability supporting facilities to help the independence of their activities. This study designed a tool for bathing and lower physical disability toilets to carry out these activities without the help of other people. A similar design was carried out in previous studies that had not accommodated public bathroom activities outside the home while traveling. Previously designed dimensions did not allow carrying to traveling and only accommodated the type of toilet seat. Based on these shortcomings, this study designed a portable bathing and toilet activity aid so that the lower quadriplegic can be used while traveling practically and accommodating the sitting and squat toilets. The product of the design result is expected to support the independence of the quadriplegic to carry out activities outside the home to expand their accessibility. The design process of this product is carried out with the Front-end Processstage method as the main design method and integrated with the TRIZ method to help resolve contradictions in the design process while determining specifications and targets and the process of selecting the concept of a work product system. This research produces a 3D modeldesign and technical specifications of the product.
PERANCANGAN TUNER GITAR OTOMATIS DENGAN METODE OPEN TUNING BERBASIS SINGLE BOARD MICROCONTROLLER Adlan Bagus Pradana; Achmad Dian Ramadhan; Aldila Fajar; Jimmy Trio Putra
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 7 No 2 (2021): Agustus
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol7.no2.a10296

Abstract

The guitar is a popular musical instrument by many people. Besides being able to be used as entertainment, playing music, one of which is the guitar, can also be used to train concentration. In playing the guitar, the sound of the guitar strings that match the harmony chord is the main key so that when playing the song it sounds harmonious. Of course this is related to the tuning process or the tuning process. Many people can play the guitar, but many of them have difficulty in tuning. Most people do the tuning manually. This of course will take a long time to produce an accurate tone.With the rapid development of technology, this problem can be solved with an automatic guitar tuner based on a single board microcontroller using the open tuning method. The design of this automatic guitar tuner uses 7 constituent components, namely a single board microcontroller (Arduino UNO), servo motor, Op-Amp, LED, LCD, push button, and acrylic. The tuning process is done by selecting the guitar strings to be tuned. Then, when the guitar is picked, the frequency will be amplified by the Op-Amp. After that, arduino will initialize the frequency and give a signal to the servo motor. The servo motor will perform the tuning process which will later display the results on the LCD. While the LED functions as a tuning indicator. Acrylic serves as a place to put components.
Identifikasi Identifikasi Produk Cacat Briket Tempurung Kelapa Menggunakan Six Sigma dan Fuzzy Analytical Hierarchy Process (FAHP) Shintya Kurniawan; Elly Wuryaningtyas; Emmy Nurhayati
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 8 No 1 (2022): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol8.no1.a11042

Abstract

CV. Bintang Yasa Abadi is a management company coconut shell waste  into briquette products and is marketed for export to the Middle East. Poor quality control process results in a large number of inappropriate products and becomes a problem during production process. Purpose of this study to determine the level of company productivity, the factors that cause non comformances and improvement. The method used in this study is the six sigma method and improvements effort the assesment priority using the FAHP method so that the resulting assesment is accurate and objective.The results of the research using the six sigma method resulted in a DPMO 7.604,74, a sigma value of 3,92, and the factors causing defect came from machine, material, environment, method, human, and measurement. The results og the FAHP assessment resulted in the highest weight in the effort to improve the evaluation measurement of quality of water content and density of briquattes 0,364, supervision of workers in the cutting section according to the SOP with repair weight of 0,202 and checking the dry content of coconut shells using a Moisture Meter (measuring water humidity) with repair weight of 0,718 improvement.
Eksperimentasi Kreatif Media Pembelajaran Interaktif Berbasis Blended Learning pada Pembelajaran Tematik Sekolah Dasar Ardian Arief; Hanif Yuda Pratama
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 8 No 1 (2022): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol8.no1.a11176

Abstract

One of the difficulties for students in understanding the material presented in online is abstract learning. Interactive learning media has advantages, including flexible media that is not limited by space and time, and users can operate according to their needs to solve abstract learning problems. This article describes (1) the process of developing interactive learning media based on blended learning learning theme 8 sub-theme 1 class V SD Negeri Playen III and (2) knowing the feasibility of developing interactive learning media based on blended learning learning theme 8 sub-theme 1 class V SD Negeri Playen III. The design of this article is a design and development research article. This article is carried out with a modified analysis, design, development, implementation, evaluation (ADDIE) development procedure until the implementation stage. The population of this article is the fifth grade students of SD Negeri Playen III. Then samples were taken from the fifth grade teacher and 10 students from 15 students. Data collection techniques using questionnaires, interviews, observations, and documentation. The scores obtained from material experts get an average of 3.75 which is included in the "very good" criteria. The media validation obtained an average of 3.80 which is included in the "very good" criteria. In addition, validation from product user experts (class V teachers) obtained an average of 3.70 which is included in the "very good" criteria. The feasibility of learning media is supported by the student response questionnaire scores conducted at the product trial stage. Based on the results of the student response is 83.67% with the criteria of "very good". The score indicates that blended learning-based interactive learning media is feasible to use.
APLIKASI METODE QUALITY FUNCTION DEPLOYMENT DALAM PENGEMBANGAN DESAIN ALAT BANTU MAKAN BAGI PENDERITA TUNA DAKSA Emmy Nurhayati
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 3 No 1 (2017): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (791.233 KB) | DOI: 10.30738/jst.v3i1.1132

Abstract

Humans who has a perfect physical can easily perform daily activities, one of which is eating. For upper limb disabled people, eating activity is very difficult. This research is for create and develop of assistive tool for eat that can meet the needs of users (upper limb disabled people), technical requirements, convenience of usability, ergonomic  assistive tool for eat . The method used to create and develop of  assistive tool for eat (Adjusted Spoon V2) is the Quality Function Deployment (QFD). Based on House of Quality (HOQ) matrix results, the first technical requirement is the motion mechanisms (priority 52.44%), second is spring (38.64% priority), third is digitalization (priority 8.92%). The results of this research are Adjusted Spoon V2 prototype that developed to be able to meet the needs of upper limb disabled people in eating activities that include spoon movement  flexibility, stick movement flexibility and treadle flexibility, making it easier for them to operate it.
Systematic Literature Review: Penerapan IoT Pada Alat Pengukur Suhu Tubuh Berbasis Mikrokontroler Sebagai Langkah Pencegahan Covid-19 Muhamad Riyad Ariwibowo; Inayatul Ummah
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 8 No 1 (2022): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/st.vol8.no1.a11337

Abstract

The Covid-19 pandemic is a threat all over the world. This virus has an impact on economic, social, educational and health needs. Thus, various kinds of regulations were formed in order to reduce transmission from people who have the potential to be infected with the virus. With the implementation of social restrictions, every work area, tourist spot, and hospital will be checked for body temperature with a temperature measuring device. Therefore, the author makes the application of the SLR (Systematic Literature Review) method which aims to find out from previous researchers regarding the application of the internet of things to temperature measuring devices with a microcontroller onchip system that is used on these devices by screening related journals from the topic of the problem. Through SLR with the PICO approach method (Population, Intervention, Comparison, Outcome) the results show that the literature search is more specific by showing the division of two keywords in the search including, microcontroller as a body temperature gauge and internet of things (IoT) based body temperature meter. Thus, at the study identification stage it can be indicated on the inclusion and exclusion by reviewing the literature search that can be accepted and considered.
ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA TINGKAT SEKOLAH DASAR DI KOTAMADYA YOGYAKARTA Trisniawati Trisniawati
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 3 No 1 (2017): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (469.171 KB) | DOI: 10.30738/jst.v3i1.1135

Abstract

This study aims to describe the attainment of mathematical problem solving ability among elementary school students in Yogyakarta Municipality and to describe errors that they make in answering the items in the test of mathematical problem solving ability. This was a qualitative and case study research. The research population comprised all elementary school students in Yogyakarta Municipality. Then, 3 elementary schools in Yogyakarta Municipality were randomly selected based on upper, middle, and lower ranks, namely SD Negeri Ungaran Yogyakarta, SD Bina Anak Sholeh Yogyakarta, and SD Negeri Karanganyar Yogyakarta. The study was carried out in Grade V in November 2015. The research instruments were a test of mathematical problem solving ability and an interview guide. Based on the data from the test of mathematical problem solving ability, interviews were conducted by involving 5 students from each elementary school. The results of the study show that the mathematical problem solving ability among elementary school students in Yogyakarta Municipality is still low, namely less than 68. Their mathematical problem solving ability at the stage of understanding a problem is 52.37%, at the stage of planning to solve a problem it is 29.091%, at the stage of solving a problem it is 23.09%, and at finding out an alternative it is 8.88%. The results indicate that many students have not attained the stage of rechecking by finding out an alternative way (solution). The errors that the students often make include inaccurate data, inaccurate procedures, unavailable conclusions, skill hierarchy problems, and indirect manipulations
EKSPLORASI KEMAMPUAN PEMECAHAN MASALAH MATEMATIS MAHASISWA PENDIDIKAN GURU SEKOLAH DASAR Nelly Rhosyida
Science Tech: Jurnal Ilmu Pengetahuan dan Teknologi Vol 3 No 1 (2017): Februari
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (574.556 KB) | DOI: 10.30738/jst.v3i1.1136

Abstract

This study is aimed to explore the achievement of mathematical probem solving skill of student in PGSD Sarjanawiyata Tamansiswa University, and student’s mistake on mathematical problem solving test.This study is a qualitative research and case studies. The subjects were students of the University of Sarjanawiyata Tamansiswa PGSD Yogyakarta who have following courses Mathematics Learning Problems in Elementary School. Two classes were randomly selected two as a research subject, the classes C and G. The instrument in this research is a problem solving skill testand interview guidelines. Based on test data KPM then conducted interviews to 11 students.The results showed that the mathematical problem solving skill of students PGSD UST is low. It can be seen from the acquisition of the average class, class C and class G, both of them are in the category low (<68), ie 52.3261 and 55.2340. The percentage of the number of students who are in low category in class C is 95.65%, while class G is also quite large at 87.23%. Only a small proportion of students in the midle category. No one in the high category. Most of the student are in understanding of the problem level (65.12%), followed by the strategic planning (46.93%), carry out the completion strategy (32.08%), and the least is the stage of the re-examination (7.7%) , Mistakes made by students on problem solving skill test are incorrect data, the response level conflict, the problem of hierarchy of skills, the procedure is not appropriate, and the missing conclusion

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