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All Journal Bulletin of Electrical Engineering and Informatics Jurnal Teknologi Pendidikan JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Pengabdian UntukMu NegeRI Paedagoria : Jurnal Kajian, Penelitian dan Pengembangan Kependidikan SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Teknik Informatika UNIKA Santo Thomas JCRS (Journal of Community Research and Service) AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Mantik Community Development Journal: Jurnal Pengabdian Masyarakat MEANS (Media Informasi Analisa dan Sistem) Jurnal Pendidikan Vokasional Teknik Elektronika (JVoTE) Jurnal Abdimas Ilmiah Citra Bakti (JAICB) JTEIN: Jurnal Teknik Elektro Indonesia JEEE-U (Journal of Electrical and Electronic Engineering-UMSIDA) Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) JURNAL TEKNOLOGI INFORMASI & KOMUNIKASI DALAM PENDIDIKAN Electron: Jurnal Ilmiah Teknik Elektro Tekmulogi: Jurnal Pengabdian Masyarakat Jurnal Penelitian Pendidikan Indonesia Jurnal Polimesin
Bakti Dwi Waluyo
Universitas Negeri Medan
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Journal : Jurnal Mantik

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Multiplexer Performance Testing For IoT-Based Air Quality Monitoring System: Multiplexer Performance Testing For IoT-Based Air Quality Monitoring System Bakti Dwi Waluyo; Harvei Desmon Hutahaean; Agus Junaidi
Jurnal Mantik Vol. 4 No. 1 (2020): May: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

Technology-based on the Internet of Things (IoT) which is integrated with the NodeMCU ESP8266 device has produced intelligent equipment.The smart equipment is even able to display data in real-time through computer devices and smartphones while connected to the internet.However, NodeMCU ESP8266 has limitations on analog input channels, so sensors with analog output cannot be connected more than one.therefore, the multiplexer in the form of IC 4051 is used to add analog channels in NodeMCU ESP8266.IC 4051 has eight analog channels which are controlled by selector pins. Sensors connected to IC 4051 are temperature (LM35), humidity (HIH-4030), gas (MQ-2 and MQ-135).NodeMCU ESP8266 receives values ??from sensor readings and sends to the Firebase database via internet connection.The firebase database can be monitored via a smartphone by making its application on the MIT App Inventor.This experiment has succeeded in acquiring data from the four sensors using a multiplexer, then the data can be viewed via a smartphone.
Sercob Application Design: IT Consultant in Overcoming Computer Problems in The Digital 4.0 Era Bakti Dwi Waluyo; Rivaldo Effendi; Andreas Pratama Partogu Hutabarat; Angga Koswara Malau; Deskristina Siregar; Dita Febiyan Pratiwi
Jurnal Mantik Vol. 5 No. 3 (2021): November: Manajemen, Teknologi Informatika dan Komunikasi (Mantik)
Publisher : Institute of Computer Science (IOCS)

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Abstract

The use of computers in the digital era 4.0 is increasing rapidly; with the increasing use of computers, the problems experienced by computer users are also increasing. With the problems encountered by computer users, a computer service center is needed to solve computer user problems. SERCOB-IT functions as a platform that provides technicians and service points according to the location of computer users who experience computer problems. SERCOB-IT is a website-based application with an order-taking function and learning media related to laptop maintenance and information about laptops. Through the Independent Learning Activity Program for Merdeka Edupreneur Campus, the SERCOB-IT application has been launched and advertised through several offline and online social media. Therefore, it has the opportunity to become a new digital-based company.
Co-Authors Aditiya Pratama Daryana Agnes Irene Silitonga Agus Junaidi Agus Junaidi Ali Akbar Lubis Amirhud Dalimunthe Andreas Pratama Partogu Hutabarat Angga Koswara Malau Arwadi Sinuraya Aulia Rahman S, Muhammad Azizi Lubis, Reza Arbi Baharuddin . Baharuddin Baharuddin Br Tarigan, Sintya Verina Denny Haryanto Sinaga Deskristina Siregar Dita Febiyan Pratiwi Dodi Suryanto, Eka Doni, Rahma Eka Dodi Suryanto Erita Astrid Farihah, Farihah Felix Hizkia Simanjuntak Halimul Bahri Hesti Fibriasari Hesti Fibriasari Hesti Fibriasari Hutahaean, Harvei Desmon Ichwanul Muslim Karo Karo Immanuel, Michael Fritz Indra Cahyadi, Catra Januariyansah, Sapitri Kardo Simanjuntak Lisa Melvi Ginting Manullang, Jongga Marpaung, Salmian Sinurasti Mega Silfia Dewy, Mega Silfia Mendoza, Muhammad Dominique Muchsin Harahap Muhammad Ashari Muhammad Aulia Rahman Sembiring Muhammad Dani Solihin Muhammad Isnaini Muhammad Sulaiman Mulyana, Dadang Nelson Sinaga Nora Idiawati Pakpahan, Binsar Maruli Tua Pulungan, Ahmad Shafwan S Putri, Tansa Trisna Astono Rahmadany, Savitri Rahman S, Muhammad Aulia Rahman Sembiring, Muhammad Aulia Rais, Muhammad Amin Ramadhani, Syahara Ayu Rambey, Joni Syafrin Ressy Dwitias Sari Restu Restu Ricky Nelson Tampubolon Rivaldo Effendi Rizqi ilmal yaqin, Rizqi ilmal Rosma Siregar S, Muhammad Aulia Rahman Salman Bintang Salman, Budi Saragi, Dian Putra Savitri Rahmadany Sembiring, Muhammad Aulia Rahman Simatupang, Tora Valentina Sitompul, Betty Sitompul, Ely Esa Yes Sriadhi . Sukarman Purba Suryanto, Eko Dodi Suwarno Suwarno Syahputra, Ricky Andi Yoakim Simamora Yosefa Hutajulu, Olnes Zulfikram, Zulfikram