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All Journal International Journal of Electrical and Computer Engineering Jurnal Elementer (Elektro dan Mesin Terapan) Jambura Journal of Mathematics Budimas : Jurnal Pengabdian Masyarakat Proceeding Applied Business and Engineering Conference eProceedings of Engineering Sewagati Journal of Electronics Technology Exploration (JOeTEx)
Mohammad Yanuar Hariyawan
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Analisis Pengaruh Perubahan Jarak Node Harvester Terhadap Kinerja Wi-Fi Mohammad Yanuar Hariyawan; Riezkha Salsabilla; Rizadi Sasmita Darwis
Jurnal Elektro dan Mesin Terapan Vol. 8 No. 2 (2022): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

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Abstract

Pemanfaatan energi yang ada disekitar untuk menyuplai perangkat elektronik berdaya rendah semakin banyak dikembangkan, tidak terkecuali pemanfaatan energi RF yang banyak dihasilkan oleh perangkat telekomunikasi. Banyak penelitian memanfaatkan energi RF yang dihasilkan oleh perangkat Wi-Fi sebagai salah satu sumber energi alternatif. Akan tetapi pengaruh pemanfaatan energi RF yang bersumber dari Wi-Fi tidak banyak yang mengulas. Pada penelitian ini dibahas pengaruh penggunaan node harvester yang memanfaatkan energi RF yang dihasilkan oleh perangkat Wi-Fi terhadap kinerja jaringan Wi-Fi tersebut. Pada penelitian ini dilihat pengaruh jarak 4 node harvester terhadap kinerja jaringan Wi-Fi yang terdiri dari 1 mikrotik routerboard, 4 laptop. Parameter yang diujikan dimulai dari tegangan pada harvester, nilai throughput, delay, packet loss dan power density. Dari hasil penelitian kapasitor 470 µF menghasilkan tegangan terbesar dengan nilai ±0.4V. Nilai tegangan pada harvester akan semakin tinggi ketika didekatkan dengan Wi-Fi dan bernilai 0 di jarak ±15 m dari Wi-Fi. Hasil pengujian memperlihatkan nilai throughput yang terus menurun seiring penambahan jarak harvester ke Wi-Fi penurunan disebabkan oleh best effort pada jaringan. Sedangkan nilai delay yang didapatkan tidak murni terpengaruh oleh penggunaan harvester dan nilai packet loss didapat 0 % . Power density mengalami penurunan nilai daya ketika harvester semakin dekat jaraknya dengan Wi-Fi dan selisih nilai daya ±2 dBm disetiap perpindahan jarak yang ditetapkan.
RANCANG BANGUN ALAT MONITORING KUALITAS UDARA BERBASIS NODEMCU ESP8266 (HARDWARE) Raywanda Affandi Harahap; Mohammad Yanuar Hariyawan
ABEC Indonesia Vol. 9 (2021): 9th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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Abstract

Abstract In 2015, forests in the Riau region experienced severe fires that also resulted in haze. The impact of the disaster, especially the Caltex Riau Polytechnic, was disrupted teaching and learning activities. The application of technology in the form of sensors as a system monitoring air quality can be used to assist in making emergency decisions for haze disasters, especially the Caltex Riau Polytechnic environment. The implementation of the GP2Y1010AU0F sensor as a detector for PM10 air levels, the DHT11 sensor as a temperature and humidity detector, the MQ-7 sensor as a detector for carbon monoxide levels in the air and the use of the ESP8266module WiFi as a medium for sending sensor data to the web as a monitoring system for sensors to users. PM10 sensor testing has an average error rate of 8.2% with a comparison tool, a temperature sensor of 8.42% and a humidity sensor of 2.89%. Monitoring is carried out via the internet via the web so that remote monitoring can be carried out as long as it is connected to the internet network. With this system, air quality information can be found through the website in real time. Keywords: haze, monitoring, decision making, realtime
Filter EMI Aktif menggunakan Op-Amp untuk Mereduksi Near-Field EMI pada PCB Wahyudi Nasrianza; Mohammad Yanuar Hariyawan
ABEC Indonesia Vol. 9 (2021): 9th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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Abstract

Electronic devices often cause an increase in Electromagnetic Interference (EMI) which has two types, namely Conducted Emission and Radiated Emission. One solution to reduce EMI mitigation is to use an EMI filter. Operational Amplifiers (Op Amps) are a form of Linear IC which has a function to amplify electrical signals. This final project will discuss the use of op-amps to minimize near-field EMI. In this case, an op-amp circuit is added to reduce the EMI of the clock source. One of the most important characteristics of the op amp is its extremely low output impedance. This study will design an active EMI filter to reduce conducted emission noise using an active EMI filter (AEF). The designed AEF filter provides excellent conducted emission noise attenuation with pre-filtered noise conducted at 118 dB which is reduced to 108.95 dB and provides excellent conducted emission noise attenuation (up to 9.05 dB).
SISTEM MONITORING KUALITAS UDARA BERBASIS NODEMCU ESP8266 DENGAN METODE FUZZY LOGIC (SOFTWARE) Diemas Ibnus Pasedja; Mohammad Yanuar Hariyawan
ABEC Indonesia Vol. 9 (2021): 9th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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Abstract

Riau Province is an area that has the largest peatland area on the island of Sumatra, namely ± 4.04 million hectares or 56.1% of the total area of ​​peatland in Sumatra (Wahyunto et.al., 2003). Illegal forest burning which often occurs in the province of Riau has resulted in worsening air quality and a haze that hits Riau Province almost every year. The creation of an air quality monitoring system specifically placed in the Caltex Riau Polytechnic environment can assist in making smoke emergency decisions. This system is designed using the NodeMCU ESP8266 as the Master Control Unit (MCU) and uses several sensors, including the GP2Y1010AU0F as a detector for airborne PM10 levels, the DHT11 sensor as a temperature and humidity detector, the MQ-7 sensor as a detector for carbon monoxide levels in the air. Sensor data is sent to the database and displayed on a local website page (localhost) in realtime. PM10 sensor testing has an average error rate with a comparison tool of 9.56%, a temperature sensor of 8.42% and a humidity sensor of 2.89%. With this system, the entire campus academic community will be able to find out information on air quality in real time and help the campus in making smoke haze emergency decisions in the Riau Caltex Polytechnic environment. Keywords: NodeMCU ESP8266, realtime, website, haze, localhost
RANCANG MAGNETIC NEAR FIELD PROBE UNTUK PENGUJIAN RADIATED EMISSION PADA FREKUENSI RENDAH Yospet Pradika; Mohammad Yanuar Hariyawan
ABEC Indonesia Vol. 9 (2021): 9th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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Abstract

With the increasing complexity of digital devices and the development of wireless devices, there are many design and fabrication problems that are encountered. Especially the circuit module which sometimes causes Electromagnetic Interference in the equipment itself or excessive electromagnetic radiation resulting in Electromagnetic Interference (EMI) problems. Magnetic Near Field Probes are very effective in detecting EMI, which is Radiated Emission in the Near Field. In this study, the measured radiated signal was in the frequency range 0 - 150 KHz. The aim of this research is to be able to design and implement magnetic near field probe for low frequency applications in the 0 to 150 KHz range to detect Electromagnetic Radiated Emission. In this final project (TA), the design of a Magnetic Field Probe to detect low frequency Radiation Emission requires determining the dimensions of the probe as well as the constituent material of the coil core of the probe. The dimensions of the probe are 4mm in diameter, the number of turns 50 and the core material of the probe winding is iron. The resonant frequency of the probe is designed at 75 KHz. In the measurement process with a Magnetic Field Probe, a supporting circuit such as an Amplifier is also used to increase the sensitivity of the probe.
Enhancing IoT Network Reliability: Evaluating LoRa Module Susceptibility to Interference Mohammad Yanuar Hariyawan; Haris Efendi
Journal of Electronics Technology Exploration Vol. 1 No. 2 (2023): December 2023
Publisher : SHM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52465/joetex.v1i2.235

Abstract

The Internet of Things (IoT) is gaining popularity, leading to the widespread use of remote communication modules (LoRa), known for their energy efficiency and wide coverage range. However, as the number of LoRa modules used in IoT networks grows, the possibility of interference from third-party devices operating at the same frequency becomes a concern. This study aimed to examine the vulnerability of LoRa modules to electromagnetic interference (EMI) when transmitting text messages and images. Radiation emission conditions were measured in the test area for evaluating LoRa module performance, and susceptibility to interference was assessed under non-line-of-sight (NLOS) conditions. The study's outcomes reveal that interference with LoRa transmitters has no noticeable effect on the range within a distance of up to 50 meters. In contrast, the interference power required to disrupt the LoRa receiver decreases with increasing distance. Additionally, interference from frequencies outside the designated LoRa working frequency (915 MHz) has no discernible impact on module performance. Introducing a delivery delay check demonstrates consistent performance even in interference. These findings deepen our understanding of the susceptibility of LoRa modules to tampering, emphasizing the importance of implementing effective disruption management strategies in IoT deployments. By considering the potential impact of electromagnetic interference (EMI) on LoRa modules, developers can design more robust IoT networks, ensuring reliable communication and improved system performance. Overall, the research focuses on the interference characteristics of LoRa modules, providing insights for developing resilient and interference-resistant IoT solutions. It underscores the necessity of addressing interference issues to ensure the reliable operation of IoT devices across diverse environments.
Sistem Cerdas Pemantau Kesehatan Pasien Lanjut Usia Berbasis IoT (Hardware): IoT-based Smart Health Monitoring System for the Elderly (Hardware) Cahyana, Amelia; Mohammad Yanuar Hariyawan; Wira Indani; Suci Ramadona
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5998

Abstract

The Internet of Things (IoT) is a technological innovation that is widely used in science, including the field of health sciences. An intelligent health monitoring system for elderly patients is only one of the IoT applications that might be developed in the field of health sciences. This system must be implemented so that doctors can ascertain the patient's status and that patients can be monitored from home rather than having to visit the hospital for checkups. Therefore, a device is required to make it simpler for patients and medical professionals to check the three vital signs—heart rate, oxygen saturation, and body temperature. Vital signs are a variety of physiological statistical measurements that are used to assess a patient's health state, particularly in elderly people (elderly) who are ill or at risk. With the use of this instrument, the patient can provide the doctor with information on his vital signs, making it simpler for the doctor to identify the patient's condition and treat the patient. This tool's design makes use of the MAX30100 sensor, which measures oxygen saturation and heart rate. Then comes the MLX90614 sensor, which measures body temperature. The microcontroller (ESP32) processes the sensor before sending the data to the MySQL database. The percentage accuracy rate for testing the heart rate is 96.15%, the percentage accuracy level for testing the oxygen level is 97.4%, and the percentage accuracy level for testing the body temperature is 98.3%.
Rancang Bangun Sistem Pemantauan Tekanan dan Suhu Ban Berbasis Internet of Things dan Software Defined Radio Briantoro, Hendy; Budikarso, Anang; Arifin; Moegiharto, Yoedy; Yanuar Hariyawan, Mohammad
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 10 No 1 (2024): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v10i1.6277

Abstract

There are many motor vehicle accidents on the road, one of the causes being tire blowouts. These accidents occur because drivers continue to drive their vehicles even though the tire pressure and temperature exceed the specified threshold. To address this issue, there is a need for a tire pressure and temperature monitoring system that can be continuously monitored by the driver. If there is a malfunction in the monitoring device on the vehicle dashboard, the driver can be alerted by others who also monitor tire pressure and temperature information remotely. In this study, we developed a tire pressure and temperature monitoring system for vehicles that can be accessed remotely using Internet of Things (IoT) technology. Additionally, we utilized Software Defined Radio (SDR) technology for pressure and temperature data reading. This system successfully monitors tire pressure and temperature changes remotely via computer and smartphone. Based on the test results, the best standard deviation value for tire pressure is 3.54, while the best standard deviation value for tire temperature is 1.72
IMPLEMENTASI MIXER AUDIO DIGITAL DALAM MENINGKATKAN KUALITAS SUARA MASJID: PROGRAM PENGABDIAN DI MASJID AL HIDAYAH SURABAYA Widodo, Pangestu; Briantoro, Hendy; Hariyawan, Mohammad Yanuar; Annisa, Aulia Rahma; Firmansyah, Muhammad Rizal; Zakariya, Naufal
BUDIMAS : JURNAL PENGABDIAN MASYARAKAT Vol 6, No 3 (2024): BUDIMAS : Jurnal Pengabdian Masyarakat
Publisher : LPPM ITB AAS Indonesia Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/budimas.v6i3.15158

Abstract

Program pengabdian masyarakat ini dilaksanakan di Masjid Al Hidayah, Surabaya, dengan tujuan untuk meningkatkan kualitas suara selama pelaksanaan kegiatan ibadah melalui implementasi teknologi mixer audio digital. Masjid ini menghadapi permasalahan dalam penyampaian suara, terutama dalam penyampaian adzan, ceramah, dan bacaan imam, akibat penggunaan perangkat audio konvensional yang tidak optimal. Metode yang digunakan meliputi survei awal untuk memahami kebutuhan akustik, instalasi mixer digital, serta pelatihan teknis bagi pengurus masjid terkait penggunaan dan pemeliharaan perangkat. Hasil dari implementasi ini menunjukkan adanya peningkatan signifikan dalam kejernihan dan kestabilan suara, pengurangan gangguan seperti feedback, serta kemudahan dalam pengaturan sistem audio. Jamaah merasakan peningkatan kenyamanan selama ibadah, sementara pengurus masjid mampu mengoperasikan perangkat dengan lebih efisien. Program ini berhasil mencapai tujuannya dan diharapkan dapat direplikasi di masjid-masjid lain yang menghadapi masalah serupa untuk meningkatkan kualitas layanan keagamaan.
IMPLEMENTASI MIXER AUDIO DIGITAL DALAM MENINGKATKAN KUALITAS SUARA MASJID: PROGRAM PENGABDIAN DI MASJID AL HIDAYAH SURABAYA Widodo, Pangestu; Briantoro, Hendy; Hariyawan, Mohammad Yanuar; Annisa, Aulia Rahma; Firmansyah, Muhammad Rizal; Zakariya, Naufal
BUDIMAS : JURNAL PENGABDIAN MASYARAKAT Vol. 6 No. 3 (2024): BUDIMAS : Jurnal Pengabdian Masyarakat
Publisher : LPPM ITB AAS Indonesia Surakarta

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

Abstract

Program pengabdian masyarakat ini dilaksanakan di Masjid Al Hidayah, Surabaya, dengan tujuan untuk meningkatkan kualitas suara selama pelaksanaan kegiatan ibadah melalui implementasi teknologi mixer audio digital. Masjid ini menghadapi permasalahan dalam penyampaian suara, terutama dalam penyampaian adzan, ceramah, dan bacaan imam, akibat penggunaan perangkat audio konvensional yang tidak optimal. Metode yang digunakan meliputi survei awal untuk memahami kebutuhan akustik, instalasi mixer digital, serta pelatihan teknis bagi pengurus masjid terkait penggunaan dan pemeliharaan perangkat. Hasil dari implementasi ini menunjukkan adanya peningkatan signifikan dalam kejernihan dan kestabilan suara, pengurangan gangguan seperti feedback, serta kemudahan dalam pengaturan sistem audio. Jamaah merasakan peningkatan kenyamanan selama ibadah, sementara pengurus masjid mampu mengoperasikan perangkat dengan lebih efisien. Program ini berhasil mencapai tujuannya dan diharapkan dapat direplikasi di masjid-masjid lain yang menghadapi masalah serupa untuk meningkatkan kualitas layanan keagamaan.
Co-Authors Achmad Jauhari, Achmad Adiputra, Dimas Ahmad Maulana, Firman Alamsyah, Gempar Amsyari Rustam, Faiz Anang Budikarso, Anang Arifin Aser Elegius Logo, Royzaldo Aufa Ulinuha, Panji Aufar Zikri Aulia Rahma Annisa Aulia Rahma Annisa Bain Khusnul Khotimah Briantoro, Hendi Cahyana, Amelia Devie Rosa Anamisa Diemas Ibnus Pasedja Diva Putri Purwadi, Nikita Diwanda, Rifaldo Dony Setiawan, Ananda Dzakwan Setyo Gandhi, Naufal Edi Setyawan, Dwi Eka Firmansyah Eka Sari Oktarina Fally Ahmad Fannush Shofi Akbar Fifin Ayu Mufarroha Firli Irhamni Firmansyah, Muhammad Rizal Ginardi, R.V. Hari Haris Efendi Helmy Widyantara Hendy Briantoro indrawanti, annisaa sri Kusuma, Zulfa Hafizh Luqmanulhakim, Naufan Zaki Maulana, Risyad Mochamad Nizar Palefi Ma’ady Mohammad, Iki Adfi Nur Muchammad Husni Noptin Harpawi Noptin Harpawi Noptin Harpawi Harpawi Nuraini, Dinah Oddy Rifandi Pangestu Widodo, Pangestu Rachmadani, Mochammad Raywanda Affandi Harahap Richard Gere Kopa , Berchmans Riezkha Salsabilla Risanuri Hidayat Rizadi Sasmita Darwis Rizadi Sasmita Darwis Rizal Firmansyah, Muhammad Rizka Wakhidatus Sholikah, Rizka Wakhidatus Sabilla, Irzal Ahmad Santosa, Hafis Akmaldi Siska Novita Posma Siska Novita Posma Suci Ramadona Sukma Ardihantoko, Irdani Susijanto Tri Rasmana Syafa, Ilhan Ahmad Syechan Faedillah, Isya' Trifandi Wibowo Violina, Dina Wahyudi Nasrianza Wicaksono, M. Januar Eko Wicaksono, Rahmad Aji Wijaya, Agas Ananta Wira Indani Wisnu Wibowo, Raynaldi Yoedy Moegiharto, Yoedy Yospet Pradika Zakariya, Naufal