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All Journal JAM Pendidikan Matematika Indonesian Journal of Islamic Psychology Indonesian Journal of Electrical Engineering and Computer Science JITSI : Jurnal Ilmiah Teknologi Sistem Informasi
Roni Putra
Jurusan Teknik Elektro, Fakultas Teknik, Universitas Andalas
Religion Humanities Computer Science & IT Economics, Econometrics & Finance Education Mathematics Neuroscience Social Sciences

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 1 
Online Monitoring of Grid Connected Residential Photovoltaic System using Zigbee and Web Server Ghazali, Syafii; Putra, Roni; Putra, Hasdi
Indonesian Journal of Electrical Engineering and Computer Science Vol 7, No 3: September 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v7.i3.pp668-675

Abstract

The paper presents grid-tied PV monitoring system using wireless sensor networks.  The temperature and humidity parameters were measured using DHT22. While ACS 712 5A current sensor and Arduino voltage sensor modules were used to measure photovoltaic output current and voltage respectively. Web application has been developed in the base station using PHP programming web server to access the sensor nodes through Zigbee wireless data communication. The user can access the HTML web interface of Photovoltaic monitoring system through local Ethernet or Wi-Fi connection. The residential 1.25 kWp grid connected photovoltaic system used to test the developed monitoring system. The data received exactly same as data sensed from remote area with average delay time 3 to 4 seconds. The result shows the photovoltaic power generation caracteristics under clear sky, cloud cover, and rainy weather conditions. The power 608.12 Wp has been generated by the solar panel from 7.00 am to 6.00 pm or 6.7 kWh per day during clear sky. During intermittent cloud covered the photovoltaic power graph have shown fluctuation power profile and energy conversion were decreased as well as in raining weather condition. The electrical power has been generated by photovoltaic for almost 12 hours per day in tropics area, but energy conversion is highly influenced by weather conditions, especially cloud cover, overcast and rainy.
PENGARUH PENERAPAN METODE DRILL DENGAN PENDEKATAN OPEN-ENDED TERHADAP PEMAHAMAN KONSEP MATEMATIS SISWA KELAS VIII SMP PERTI PADANG TAHUN PELAJARAN 2013/2014 Putra, Roni; Rismen, Sefna; Edriati, Sofia
Pendidikan Matematika Vol 1, No 1 (2014): Jurnal Wisuda Ke 48 Mahasiswa Prodi Pendidikan Matematika
Publisher : STKIP PGRI Sumbar

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

Abstract

ABSTRACTThe research was based by low students’ comprehension of mathematical concept,  Lack of motivation student in course of learnings, energy natural existense and imagination child still low and also student tardy and difficult in comprehension lesson. Target of research this was to know students’ comprehension of mathematical concept which process studying implementing drill method with approach open ended better than study conventional. This was an experimental research which used random. Hypothesis test used t-test one way with MINITAB software obtained that tvalue= 2,15 and ttable= 1,67 with α = 0,05. Because of  > then H0 was rejected. It can be conclude that students’ comprehension of mathematical concept by implementing drill method with approach open ended was better than students’ comprehension concept of mathematical concept by implementing conventional in class VIII SMP PERTI Padang.
PENYAJIAN LAPORAN KEUANGAN ENTITAS BERORIENTASI NONLABA BERDASARKAN ISAK 35 PADA MASJID BAITUL HAADI Diviana, Sukma; Putra Ananto, Rangga; Andriani, Wiwik; Putra, Roni; Yentifa, Armel; Zahara; Siswanto, Azi
Akuntansi dan Manajemen Vol. 15 No. 2 (2020): Akuntansi dan Manajemen
Publisher : Jurusan Akuntansi Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jam.v15i2.20

Abstract

Mosque is an entity that aims not for profit (non-profit entity), so that financial accountability becomes an important aspect for mosques. Good accountability can be realized by presenting the mosque's financial reports in accordance with generally accepted accounting standards. The standard governing the financial reporting of non-profit entities is the Interpretation of Financial Accounting Standards No. 35 (ISAK 35). By implementing ISAK 35 in the presentation of mosque financial reports, interested parties will be able to assess the financial performance of the mosque. The object of this research is Mosque Baitul Haadi. Data were collected through a series of interviews and observations. Until now, Mosque Baitul Haadi only presented financial reports as far as cash in and cash out. This study aims to compile the financial statements of Mosque Baitul Haadi based on ISAK 35 using Microsoft Excel application tools. The financial statements that will be produced are the statements of financial position, comprehensive income statements, cash flow statements and notes to financial reports.
Urgensi Psikologi dalam Pendidikan Putra, Roni; Trifiriani, Muharrama; Yani, Yuri Indri
IJIP : Indonesian Journal of Islamic Psychology Vol 3, No 1 (2021): Indonesian Journal of Islamic Psychology
Publisher : IAIN Salatiga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18326/ijip.v3i1.59-70

Abstract

Abstract Psychology is a science that aims to understand humans, with the aim of being able to treat them more appropriately. Therefore, for every educator, the psychological knowledge of students in the educational process is necessary and important. Therefore, every educator needs to understand the science of educational psychology. Given that everyone has to carry out educational activities at the same time, basically everyone needs educational psychology. The method used in this scientific article uses the review literature. The contribution of psychology to education: the contribution of educational psychology to curriculum development, the contribution of educational psychology to the learning system, the contribution of educational psychology to the assessment system. AbstrakPsikologi adalah ilmu yang bertujuan untuk memahami manusia, dengan tujuan agar dapat memperlakukannya dengan lebih tepat. Oleh karena itu, bagi setiap pendidik pengetahuan psikologis peserta didik dalam proses pendidikan merupakan hal yang perlu dan penting. Oleh karena itu, setiap pendidik perlu memahami ilmu tentang psikologi pendidikan. Mengingat setiap orang harus melaksanakan kegiatan pendidikan pada waktu yang bersamaan, maka pada dasarnya setiap orang membutuhkan psikologi pendidikan. Metode yang digunakan dalam artikel ilimiah ini menggunakan literatur riview. Kontribusi psikologi terhadap pendidikan: kontribusi psikologi pendidikan terhadap pengembangan kurikulum, kontribusi psikologi pendidikan terhadap sistem pembelajaran, kontribusi psikologi pendidikan terhadap sistem penilaian.
Perancangan Dan Implementasi Sistem Informasi Presensi Terpadu Pada Politeknik Negeri Padang Putra, Roni; Yondri, Surfa; Asri, Ervan; Herdianto, Revalin; Junaldi
JITSI : Jurnal Ilmiah Teknologi Sistem Informasi Vol 1 No 2 (2020)
Publisher : Jurusan Teknologi Informasi - Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (769.071 KB) | DOI: 10.30630/jitsi.1.2.8

Abstract

Making lecture schedules manually is very difficult. We have to check every schedule if it does not conflict with the existing schedule and is time consuming and inefficient because of frequent errors. After the schedule is complete, every day there is a process of student attendance recapitulation and lecturer attendance recapitulation, this process often occurs with recap errors and is very long, for example student recaps can be done for months and when informing student compliance is late, many students complain. With this problem, the authors make changes so that the problem is resolved by using the FET application for scheduling lectures quickly, efficiently and accurately, the results of the lecture schedule we can import into the MySQL database then will be displayed and processed in the form of an information system-based website. can manage student and lecturer attendance online recap quickly and accurately.
Co-Authors Armel Yentifa Diviana, Sukma Ervan Asri Ghazali, Syafii Hasdi Putra, Hasdi Junaldi Putra Ananto, Rangga Revalin Herdianto Sefna Rismen Siswanto, Azi Sofia Edriati Surfa Yondri Trifiriani, Muharrama Wiwik Andriani Yani, Yuri Indri Zahara