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DESIGN AND DEVELOPMENT OF MOBILE CHARGING SYSTEM USING THERMOELECTRICITY Almawgani, A. H. M.; Hindi, A. T.; Irfan, Muhammed; Alghamidi, Hisham; Rahman, Saifur
Indonesian Journal of Electrical Engineering and Computer Science Vol 14, No 2: May 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v14.i2.pp972-977

Abstract

Energy sources differ throughout the world-, as do the costs of acquiring those sources. Electric energy has become an important element in our daily lives, especially for those devices that cannot be eliminated due to necessity. The usage of mobile phones has become an important element of our lives and their battery consumption is increasing due to the installation of a variety of Android applications. Electricity is required to charge the battery of the mobile phone; however, and at times, while travelling in a remote area there might not be access to electricity. Thus, the mobile would not be able to recharged. This paper presents the idea to design a mobile charging system using thermoelectricity. The thermal energy from the human body has been utilized to generate the electric power needed for the mobile charging process. To do this, a Peltier circuit device is connected to the human body. The difference in temperature between the human body and the atmosphere generates the voltage at the output of the Peltier circuit. The output from the Peltier circuit is then given to the boost converter and amplified to generate 5 volts which in turn are used to charge the mobile.
Interaksi Sosial Pada Mahasiswi Bercadar di IAIN Palopo Irzam; Ashabul Kahfi, Muhammad; Nuryani; Rahman, Saifur
SOSIORELIGIUS Vol 7 No 1 (2022): Sosioreligius: Jurnal Ilmiah Sosiologi Agama
Publisher : Departemen Sosiologi Aga,ma, Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/sosioreligius.v7i1.30720

Abstract

The veil as a social phenomenon that is currently in demand by students has an impact on student social interactions on campus. This study aims to determine the factors that encourage female students to wear the veil and to determine the pattern of social interaction carried out by veiled female students. This research is a qualitative research using data collection techniques in the form of observation, interviews, and documentation. The results showed that female students used the veil due to internal factors and external factors. Internal factors are the need for security and as an expression of religion. External factors are the social environment which is dominated by friends who are also veiled. Social interactions carried out by veiled female students produce associative social processes when interacting with fellow female students, and dissociative social processes when interacting with the opposite sex. Keywords: Veil, Interaction, Female Student
Principals Leadership in Improving Students Entrepreneurial Competence Finorina, Finorina; Rahman, Saifur; Alam, Iskandar Ali; Barusman, Andala Rama Putra; Habiburrahman, Habiburrahman
J-MAS (Jurnal Manajemen dan Sains) Vol 9, No 2 (2024): Oktober
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jmas.v9i2.1853

Abstract

The problem of imbalance between the number of labor force growth and available jobs is a seriousconcern in the context of education and economic development today. The phenomenon where the number of Vocational High School (SMK) graduates continues to grow but their ability to become entrepreneurs or create new jobs is still minimal highlights the importance of effective entrepreneurship education. Currently, entrepreneurship education in schools tends to only touch the surface, focusing on introducing entrepreneurial values, without giving emphasis on internalizing these values or encouraging real actions in daily life. Based on these problems, this paper will discuss how the principal's leadership and how the principal's leadership strategy in improving student entrepreneurship in SMK. The research process using literature study begins with the identification of the topic or research question to be researched. After that, researchers search for related literature through various sources of information such as libraries, online databases, and electronic journals. With great responsibility, school principals are responsible for the implementation of learning activities that can ultimately improve existing graduates, especially in the field of entrepreneurship. In line with this, some of the strategies that can be carried out by school principals in improving student entrepreneurial competence are by creating innovation, working hard in improving school quality, motivation, never giving up, and having entrepreneurial instincts.
Konstruksi Genealogi Pemikiran Raghib al-Isfahani Rahman, Saifur; Mahmud, Adilah; Musdalifah, Musdalifah; Kartika, Isma
Palita: Journal of Social Religion Research Vol. 7 No. 1 (2022): Palita: Journal of Social Religion Research
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/pal.v7i1.2576

Abstract

A discourse needs to be exposed in order to know its deepest meaning and what variables are hidden behind it. That is what this research wants to present through genealogical theory. The material object is Raghib al-Isfahani's moral thought, which is quite unique, namely making the shari'ah conception as its center. This study will discuss two main things, namely, (1) how is the conception of sharia in Raghib al-Isfahani's moral thought; (2) how is the genealogical construction of Raghib al-Isfahani's moral thought. This research is a library research. Michel Foucault's theory is used as an analytical knife. The results state: first, the conception of shari'ah in Raghib's moral thought has expanded its meaning, namely ahkam al-syariah and makarim al-syariah. Ahkam al-Sharia gave birth to dogmatic moral behavior as well as being the foundation of Makarim al-Sharia. As for Makarim al-Shariah itself gave birth to ethical moral behavior. Second, the genealogical construction of Raghib's moral thought is formed from several factors, the existence of a power struggle that causes social disorder (social disorder), the supremacy of sharia in all fields carried out by the Bani Seljuq government, and the development of imamate discourse by the assassin extremism movement. Raghib's moral thought was to rehabilitate the behavior of the people at that time while at the same time stemming the influence of the priestly discourse which tended to be destructive.
Moralitas Diskursus Dan Otoritas Wacana Keagamaan Di Media Sosial Hanif, Abdulloh; Rahman, Saifur; Masmuddin, Masmuddin; Windiyani, Windiyani; Alifah, Alifah
Palita: Journal of Social Religion Research Vol. 8 No. 1 (2023): Palita: Journal of Social Religion Research
Publisher : LP2M IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/pal.v8i1.3773

Abstract

The progress of the digital world influences the structure of religious discourse. The development of religious discourse in digital space, especially social media, has run wild without control. One-sided truth claims are getting stronger. So Khaled Abou el-Fadl's offer deserves consideration, namely the morality of discourse as the authority for religious discourse on social media. This research focuses on how the morality of discourse can be used as a basis for the power of religious discourse on social media. This research is descriptive-qualitative, which is a conceptual study using library data. Through a holistic approach, the reference data is analyzed through data reduction and data presentation. The data presented are adapted to relevant perspectives, interpreted based on theories, classified into concepts, and narrated in a new understanding of the phenomenon under study. As a result, discourse morality procedures in the authority structure of religious discourse on social media need to be upheld so that belief in God as the highest authority is not replaced by unilateral claims. In addition, the morality of discourse can also be the basis for government policies to regulate and limit religious discourse discussed on social media.
Development of Teaching Materials for Writing Short Story Texts Based on the KBM (Community Can Write) Application by Asma Nadia and Isa Alamsyah in Creative Thinking Skills for Junior High School Students Rizkiyanti, Anita; Rahman, Saifur; Murtadho, Fathiaty
Dinasti International Journal of Education Management And Social Science Vol. 6 No. 5 (2025): Dinasti International Journal of Education Management and Social Science (June
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v6i5.4601

Abstract

This study aims to develop and evaluate a short story writing instructional material based on the "Komunitas Bisa Menulis" (KBM) application using the ADDIE model, which includes the stages of analysis, design, development, implementation, and evaluation. This instructional material is designed to improve students' short story writing skills and creative thinking through an interactive technology-based approach. The development process involved analyzing the needs of students and teachers, designing technology-based content, and testing by subject matter and media experts. The implementation was carried out in several pilot classes using both online and offline methods, and evaluation was conducted using sebelum tess and setelah tess to measure students' skill improvement. The results of the trial showed a significant improvement in students' short story writing skills (35%) and creative thinking skills (40%). This study provides evidence that the instructional material based on the KBM application is effective in enhancing students' short story writing and creative thinking skills.
RELEVANSI EPISTEMOLOGI KARL R. POPPER DALAM PEMIKIRAN ISLAM Rahman, Saifur
KOMUNIKE: Jurnal Komunikasi Penyiaran Islam Vol. 9 No. 2 (2017): Dakwah dan Perubahan Sosial
Publisher : Universitas Islam Negeri Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/jurkom.v9i2.1291

Abstract

A thought is not born from a vacuum, so that every thought has its own unique and different from each other, before and after. Knowledge and experience of someone greatly influence the pattern she thought. No exception was a great thinker origin Austria and influence on the modern century and even till now he is Karl R. Popper. The concept of epistemology Popper is relating to falsification human knowledge to answer the question of demarcation by the Wina Circle. Their demarcation is deemed irrelevant to the science that became the border wall between meaningful and meaningless. This is caused by the principle of verification method using induction. Where induction seen redundant and inconsistent. As for the relevance of epistemology Popper with the thought of Islam can foster an attitude of tolerance of logical thinking. The critical attitude of the very means to resolve the tension between the two thoughts are not the same. Critical are not only aimed at the external but more internal. So one another will open up to dialogue are thought-provoking.
Perancangan Dan Realisasi Sistem Harvesting Dan Distribusi Catu Daya Pada Satelit Kubus Rahman, Saifur; Edwar; Ramdhani, Mohamad
eProceedings of Engineering Vol. 11 No. 4 (2024): Agustus 2024
Publisher : eProceedings of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Cube satellites are typically used as platforms for experiments and observation. Therefore, a reliable electrical distribution system is needed to ensure the cube satellite can operate stably and optimally. In this research, a prototype system was designed and implemented based on needs analysis and specifications. The developed system has functions such as the ability to control power harvesting conditions, electrical distribution, as well as monitoring the voltage on solar panels and batteries. Thanks to the testing conducted, it was proven that this system works correctly and can be an effective solution to improve the performance of cube satellites in future research. Keywords: electrical power system, satellite electrical distribution