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All Journal METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Jurnal Inotera Brilliance: Research of Artificial Intelligence International Journal of Multidisciplinary Sciences and Arts Seminar Nasional Ilmu Terapan Majalah Ilmiah METHODA

Khairuman Man

Politeknik Aceh Selatan

Author-ID : 3448936

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Public Health Other

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Articles

PERANCANGAN ALAT PENDETEKSI CO2 MENGGUNAKAN SENSOR MQ-2 BERBASIS INTERNET OF THING Amsar Amsar; Khairuman Khairuman; Marlina Marlina
METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Vol. 4 No. 1 (2020): METHOMIKA: Jurnal Manajemen Informatika & Komputersisasi Akuntansi
Publisher : Universitas Methodist Indonesia

Salah satu gas yang sangat berbahaya bagi kesehatan manusia adalah Gas CO2, untuk mengetahui kadar di tempat tertentu mengandung CO2 tanpa menggunakan alat bantu pendeteksi akan sulit dilakukan, karena Gas CO2 tersebut merupakan zat yang tidak dapat dilihat langsung oleh mata manusia, maka dalam penelitian ini dirancang sebuah alat pendeteksi CO2 yang dapat memberikan notifikasi kadar CO2 ke telegram berbasis Internet Of Things (IOT). Dalam peneltian ini alat yang digunakan untuk pengukuran kadar CO2 dengan menggunakan sensor MQ-2 untuk mendeteksi kadar dari karbon dioksida, sehingga kadar CO2 yang terdeteksi oleh sensor selanjutnya dikirim melalui jaringan IOT berbasis notifikasi via telegram, notifikasi pada telegram sebagai media pemberi inforamsi pada alat yang dibangun ini dengan lima kategori yaitu: baik, sedang, tidak sehat, sangat tidak sehat dan berbahaya, adapun hasil dari rentang diperoleh jika sensor MQ-2 mendeteksi karbon dioksida dengan rentang 0-50 ppm, maka kondisi udara baik, apabila sensor mendeteksi karbondioksida dengan rentang 51-100 ppm, maka kondisi udara sedang, apabila sensor mendeteksi karbondioksida dengan rentang 101-199 ppm, maka kondisi udara tidak sehat, apabila sensor mendeteksi karbondioksida dengan rentang 200-299 ppm, maka kondisi udara sangat tidak sehat, dan apabila sensor mendeteksi karbondioksida dengan rentang 300 ppm, maka notifikasi ke telegram berbahaya.

The Use Of Technology Improves The Sales Value Of Farmers Khairuman Man Man; Hery Setiawan
Jurnal Inotera Vol. 3 No. 2 (2018): July-December 2018
Publisher : LPPM Politeknik Aceh Selatan

Aceh province based on BPS data 2017 has 1.2 million inhabitants have a livelihood as a farmer. Of this amount includes the number of farmers in each of the regency in Aceh. One of district that has a population of farmers that is the South Aceh Regency with a large producer of young plants (palawija), horticulture and plantation crops Ruak Village is one of the villages in North Kluet Subdistrict with farmers in the form of coffee, corn, lime and rice. The villagers of Ruak have a livelihood as farmers, both farmers and farmers as well as daily laborers in the local farmers' business. Farmers in the village of Ruak are abundant every year. Based on the data that was successfully obtained during the survey that the farmers in the village of Ruak produced an average yield of 150 tons per year. Every year the village of Ruak lags behind to contribute to the community with the results of farmers produced by the farmers of the of Ruak village. The contribution of the farmers of the village of Ruak is not proportional to the celebrations obtained. This causes very high production costs, starting from the cost of plants, buying medicines, fertilizers, tools and daily payment instruments. The cost to plant to harvest is very high. Sometimes not comparable with the selling price of farmers. Prices are not in line with European expectations. Because the market price that has been determined by the parties cannot be negotiated by the farmers and because of the market price.

Students Mastery Level on Introduction to Economic Subject in Industrial Engineering Program of South Aceh Polytechnic Devi Satria Saputra; Khairuman Man
Jurnal Inotera Vol. 4 No. 1 (2019): January-June 2019
Publisher : LPPM Politeknik Aceh Selatan

An introduction toeconomics is a course taught in Industrial Engineering Department of South Aceh Polytechnic, the course is taught for second year students as a compulsory subject that must be mastered by students. The writerwho has experiencedthe teaching in Industrial Engineering Department of South Aceh Polytechnic found that there were many students who found it difficult to master the courseespecially in understanding the demandsand offers. Therefore, the writer conducted research on students' mastery in introductory to the economics courseespecially in demands and offered topic of Industrial Engineering Department students. The purpose of this study was to determine the level of student mastery on the demands and offers, various mistakes made by students in understanding the concepts and various factors that cause these mistakes. The research is a qualitative descriptive study. The subject of this study was the second year students of Industrial Engineering Department. Data collection techniques are carried out by conducting tests and interviews. Data obtained and converted into predetermined mastery criteria, and then the data will be analyzed using a percentage formula.

Effectiveness of the Application of Cooperative Learning Models Type Group Investigation on Discrete Mathematics Courses at Informatics Engineering Study Program of Polytechnic of South Aceh Asmaidi Asmaidi; Oktalia Triananda Lovita; Khairuman Azmi
Jurnal Inotera Vol. 4 No. 1 (2019): January-June 2019
Publisher : LPPM Politeknik Aceh Selatan

The results of student learning in the Informatics Engineering Program in the Discrete Mathematics course showed unsatisfactory results. there were 40 students who took part in the lecture. Students who get D and E scores are 18 people. the value of students who do not pass reaches 45%. In addition, student activities during the course of learning are very passive. Students only receive material delivered by lecturers and are not actively involved in learning. The problem formulation in this study is how the learning outcomes and learning activities of students are taught using the cooperative learning model type Group Investigation and conventional learning models in Discrete Mathematics courses in the Informatics Engineering Study Program in South Aceh Polytechnic?. The purpose of this study was to find out the learning outcomes and student activities while learning using the Group Investigation model. This type of research is a pure experiment with random design, pre-test, post-test. Research procedures go through several stages, namely initial observation, preparation, implementation, evaluation, and final results. The research subjects were Informatics Engineering students of South Aceh Polytechnic Semester II consist of two group, namely classes 2A and 2B. The data in this study is the test value on sequence and number series materials; and the observation of student activities during the learning process. Data collection techniques used in this study were test questions and student activity observation sheets. The analysis technique used were t-test statistical data and percentage formula. The results of the final test data analysis in both the experimental class (2A) and the control class (2B) using the t-test of two parties at a significant level α = 0.05 were obtained and . So the relationship obtained or . It can be concluded that student learning outcomes with cooperative learning model Group Investigation type are better than learning without using cooperative learning model Group Investigation type (conventional model) in Discrete Mathematics courses especially in Sequence and Series sub material in Informatics Engineering Study Program South Aceh Polytechnic. The average percentage of student activity during the three meetings was 75.40% and was in the very active category.

Opening Doors Using Internet Of Things (IoT) Based Face Recognition Wahyu Ariansyah; Dirja Nur Ilham; Khairuman; Rudi Arif Candra
Brilliance: Research of Artificial Intelligence Vol. 1 No. 2 (2021): Brilliance: Research of Artificial Intelligence, Article Research November 2021
Publisher : ITScience (Information Technology and Science)

Face recognition is a digital image processing approach that uses face photographs as input to identify a person. Face recognition is important since the face is a person's primary means of identification because the shape of a person's face differs significantly, which is easy to do intuitively using the visual senses. Image processing, face detection, feature extraction, and classification are all aspects of the face recognition system, which seeks to determine whether the image obtained is a person's face stored in the database. Principles of operation If a human face appears in front of the camera, the system quickly executes a facial recognition procedure and compares the face to facial data kept on the website. If a face detected by the camera matches the face stored on the website, the solenoid will automatically be in the on position or the door will be open, and vice versa, if the face detected by the camera does not match, the solenoid will remain in the off position or the door will remain locked. This tool can be used to improve the security system on the door of a private room or a room that can only be accessed by certain people.

Internet of Things Based Automatic Visitor Counter Dina Afriani; Dirja Nur Ilham; Khairuman; Mohammed Saad Talib; Muhammad Khoiruddin Harahap
International Journal of Multidisciplinary Sciences and Arts Vol. 1 No. 1 (2022): International Journal of Multidisciplinary Sciences and Arts, Article June 2022
Publisher : Information Technology and Science (ITScience)

In modern times, there are many recreational areas including, Gunung Lampu Tapaktuan Tourism. This destination is very crowded with local and foreign tourists. This study aims to determine the number of visitors, optimize the place, evaluate the area's attractiveness, and know how the tool works using the experimental method. Furthermore, the Internet of Things (IoT) connects physical objects with electronics, software, sensors, and networks that make these objects collect and transmit data. From the results of the trials that have been carried out, every passing visitor is read by an ultrasonic sensor and then sent to the Thingspeak server using the internet network and the registered apikey. The ultrasonic sensor sends data that has been read to the thing peak channel that is connected to the device so that the results of the monitoring are the number of visitors in the form of graphs and tables. The results of testing the tool for seven days contained a total of 1,596 manual data, 1,582 people were detected, and 14 people were not detected. While visitors came out there were 1,559 people caught, and 37 people were not seen. From the seven days of testing, 99.12% of incoming visitors were detected and 97.68% of outgoing visitors were detected. So that it can be concluded, that this tool has been functioning correctly.

PERANCANGAN ALAT PENDETEKSI KONDUKTIFITAS LOGAM (EMAS) PADA STUDI KASUS DESA PANTON LUAS, SAWANG Khairina Khairina; Herry Setiawan; Khairuman Khairuman
Seminar Nasional Ilmu Terapan Vol 5 No 1 (2021): Seminar Nasional Ilmu Terapan (SNITER) 2021
Publisher : Universitas Widya Kartika

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (459.941 KB)

Desa Panton Luas merupakan salah satu desa di Kecamatan Sawang, Kabupaten Aceh Selatan, Provinsi Aceh – Indonesia yang memiliki pertambangan emas ilegal. Sampai saat ini, tambang emas tradisional masih banyak dilakukan oleh masyarakat karena alasan ekonomi. Pada penelitian ini dibuat alat pendeteksi konduktifitas logam (emas) pada studi kasus Desa Panton Luas, Kecamatan Sawang. Alat pendeteksi ini dapat mendeteksi nilai induksi logam pada tanah maupun batu. Sensor konduktivitas akan mendeteksi logam yang terkandung dalam batu atau tanah dari hasil penambangan. Untuk mendeteksi keberadaan sebuah logam hanya tinggal meletakkan sampel batu maupun tanah ke objek pendeteksian dengan jarak sensing yang sudah disesuaikan. Apabila alat tersebut mendeteksi adanya logam (emas) pada sampel batu/tanah, LCD menampilkan niliai induksi dari logam tersebut. Pengujian yang dilakukan pada alat ini dengan tiga jenis lilitan 12, 20 dan 30 lilitan. Dan memiliki nilai yang berbeda-beda. Nilai berpengaruh pada lilitan,semakin banyak lilitan semakin baik nilai yang akan dibaca. Dan sebaliknya, semakin kecil/sedikit lilitan yang diuji, maka semakin sering terjadi nois atau nilai yang dibaca semakin menurun. Alat juga berpengaruh pada besar dan tidaknya nilai resistor ohm, nilai ohm pada resistor yang stabil pada alat ini 300-400 ohm. Alat ini dapat mempermudah masyarakat untuk mengetahui dengan mudah adanya logam yang terkandung dalam tahan/batu dari hasil penambangan.

ANALISIS EFISIENSI ENERGI PADA APLIKASI MEDIA SOSIAL MENGGUNAKAN PERANGKAT KOMUNIKASI BERGERAK Hardisal; Rudi Arif Candra; Dirja Nur Ilham; Khairuman; Erwinsyah Sipahutar
Majalah Ilmiah METHODA Vol. 9 No. 3 (2019): Majalah Ilmiah METHODA
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/methoda.Vol9No3.pp125-131

Perkembangan teknologi perangkat bergerak mulai mengarah ke dimensi yang lebih kecil serta pembuatan aplikasi yang cepat, terkoneksi dan efisien. Dengan mengecilnya dimensi, efisiensi energi aplikasi perangkat bergerak menjadi sangat penting. Aplikasi ponsel berkembang sangat cepat, seluruhnya terhubung pada aplikasi seperti sosial media, hal ini menjadi kebutuhan sehari-hari. Baterai memasok kekuatan daya yang terbatas pada perangkat komunikasi bergerak, social media harus meminimalisir sinyal untuk mempertahankan konsumsi daya serendah mungkin. Rangkaian eksperimental dikembangkan dengan menggunakan mikrokontroller yang dapat mengukur konsumsi energy pada perangkat smartphone android pada jaringan 802.11. Hasil eksperimen menunjukkan bahwa whatsapp mengkonsumsi daya lebih kecil dari aplikasi lainnya pada proses standby dan chat, yang kedua aplikasi Instagram dan skype mengkonsumsi daya tinggi. Untuk proses keseluruhan youtube dan tik tok mengkonsumi paling tinggi.

Co-Authors Amsar Yunan Asmaidi Asmaidi Candra, Rudi Arif Dina Afriani Erwinsyah Sipahutar Hardisal, Hardisal Herry Setiawan Hery Setiawan Ilham, Dirja Nur Khairina Khairina Marlina Marlina Mohammed Saad Talib Muhammad Khoiruddin Harahap Oktalia Triananda Lovita Saputra, Devi Satria Wahyu Ariansyah

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