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All Journal E-Link: Jurnal Teknik Elektro dan Informatika Jurnal Hukum Lex Generalis Prosiding Seminar Hukum Aktual Fakultas Hukum Universitas Islam Indonesia Journal of Engineering, Electrical and Informatics Jurnal Publikasi Ilmu Komputer dan Multimedia
Hari Purwadi
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Law, Crime, Criminology & Criminal Justice

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Kebijakan Reforma Agraria Pasca Lahirnya Bank Tanah Indri Asra Ismanto; Pujiyono; Hari Purwadi
Prosiding Seminar Hukum Aktual Fakultas Hukum Universitas Islam Indonesia Vol. 1 No. 3 SEPTEMBER 2023
Publisher : Fakultas Hukum Universitas Islam Indonesia

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Abstract

In Indonesia, Landeform is a problem that cannot be resolved well. The existence of the Government Regulation of Indonesia Number 64 of 2021 concerning the Land Bank which contains content of Landreform in it. This research will analyze the policies and linkages of Landreform after the existence of the Land Bank. This research uses normative juridical research methods, with a statute approach and library research data collection techniques. This research indicate that the goal of Landreform achievment are to decrease inequality in land ownership in order to create justice and create people's welfare through proportional control of land ownershiop, while the goal of the Land Bank refers to procurement of land for the economy and investment which focuses on country growth and country profits, even though one of the land bank’s purpose is for Landreform, the purpose of Land Bank are too many and non-specific covering public and private interests, so a balance is needed in the implementation of the Landreform.
Implikasi Dissenting Opinion Hakim Mahkamah Konstitusi dalam Perkara Perselisihan Hasil Pemilihan Umum (PHPU) Presiden dan Wakil Presiden Tahun 2024 M. Giovani Fernanda; Lego Karjoko; Hari Purwadi
Prosiding Seminar Hukum Aktual Fakultas Hukum Universitas Islam Indonesia Vol. 2 No. 5 SEPTEMBER 2024
Publisher : Fakultas Hukum Universitas Islam Indonesia

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Abstract

The 2024 Presidential and Vice Presidential PHPU case contained a dissenting opinion, which had never happened before. This research aims to analyze the dissenting opinions of Constitutional Court Judges in the PHPU dispute for the President and Vice President and the implications of the dissenting opinion for the upcoming election. The research method is normative juridical. The type of data used is secondary data. The data analysis technique uses a data interpretation method with deductive reasoning which is presented descriptively. The results of this research are: first, the Dissenting opinion of the Constitutional Court Judge in the 2024 Presidential and Vice Presidential PHPU case, namely: Constitutional Justice Saldi Isra assessed that the distribution of social assistance during elections has the potential to cause a conflict of interest, so that the Petitioner's petition relating to social assistance is legally grounded; Constitutional Justice Arief Hidayat, based on systematic and grammatical interpretation, is of the opinion that the President/Vice President's right to campaign is used when the President/Vice President pair becomes the President/Vice President candidate pair in an election contest; Constitutional Justice Enny Nurbaningsih believes that there has been non-neutrality of officials in several regions, so the Court should order re-voting for several of these regions. Second, the implications of dissenting opinions on the upcoming election can be used as a basis for the implementation of future elections, so that there are improvements both in terms of regulations, institutions and implementation that must be carried out by legislators and election organizers in order to increase the integrity and credibility of elections.
Implementasi Pembebasan Biaya Jasa Notaris bagi Masyarakat Tidak Mampu di Kabupaten Boyolali Agung Nugroho; Hari Purwadi; Erna Dyah Kusumawati
Jurnal Hukum Lex Generalis Vol 6 No 12 (2025): Tema Hukum dan Hak Asasi Manusia
Publisher : CV Rewang Rencang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56370/jhlg.v6i12.2255

Abstract

The notary’s obligation to provide free services for underprivileged citizens is a normative mandate of the Notary Office Law, emphasizing the notary’s social function as a public official and promoting access to justice for vulnerable groups. This study examines the implementation of pro bono notary services in Boyolali Regency using an empirical juridical approach that combines normative legal analysis with field interviews. Findings show that most notaries understand this obligation, yet verification mechanisms for determining low-income status vary. Such inconsistencies risk inequality. The Regional Supervisory Council must strengthen oversight through standardized procedures, institutional support, and accountability improvements to ensure consistent pro bono service delivery.
Design and Development of an ESP8266-Based Digital Thermometer Using a DHT22 Sensor with OLED Display Output Janeta Wahyu Hidayah; Hari Purwadi; Ansar Rizal
Journal of Engineering, Electrical and Informatics Vol. 6 No. 1 (2026): Februari: Journal of Engineering, Electrical and Informatics
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v6i1.6661

Abstract

The advancement of microcontroller technology enables the development of accurate and practical temperature measurement devices. This study aims to design and build a digital thermometer based on ESP8266 using a DHT22 sensor to measure air temperature and humidity in real time, with the measurement results displayed on an OLED screen. The research methodology includes circuit design, microcontroller programming, sensor calibration, and system testing by comparing the measurement results with reference instruments. The test results indicate that the system operates stably and responsively. The average temperature measurement deviation compared to the reference thermometer is 6.26 °C , while the average humidity measurement deviation compared to the digital hygrometer is 4.56 %RH . These results indicate that the DHT22 sensor provides acceptable accuracy and remains within tolerable limits for environmental monitoring applications
Arduino-Based Automatic Door Opener Design Using Ultra-sonic Sensors Desriani Martha Noelita Pakpahan; Hari Purwadi; Agusma Wajiansyah
Journal of Engineering, Electrical and Informatics Vol. 6 No. 1 (2026): Februari: Journal of Engineering, Electrical and Informatics
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v6i1.6663

Abstract

The development of microcontroller technology has made it easier to design simple, economical, and easily applied automatic systems in everyday life. One application of this technology is an automatic door opener system. This study aims to design and test an Arduino-based automatic door opener system using an HC-SR04 ultrasonic sensor as an object detector. A cardboard house is used as a prototype to simplify the system design and testing process. The designed system uses an Arduino Uno as the main controller, an HC-SR04 ultrasonic sensor as a distance detector, and a servo motor as an actuator to open and close the door. The ultrasonic sensor detects the distance of the object in front of the door, then the Arduino processes the distance data to determine whether the door will open or close automatically. Tests were conducted with several variations in object distance to determine the level of sensor accuracy and system response. The test results show that the system is able to work well at a detection distance of less than or equal to 15 cm with an average response time of around 0.8 – 1.0 seconds. The door can open automatically when the object is within a predetermined distance and closes again after the object moves away. Based on these results, the designed automatic door opening system can function according to the research objectives and is suitable for application in a door automation system prototype.
An Internet of Things (IoT)-Based Room Temperature and Humidity Monitoring System Using ESP8266 and DHT22 Sensors Syelviana Meisyaroh; Hari Purwadi; Ansar Rizal
Journal of Engineering, Electrical and Informatics Vol. 6 No. 1 (2026): Februari: Journal of Engineering, Electrical and Informatics
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v6i1.6670

Abstract

Monitoring room temperature and humidity is an important aspect to maintain comfort and environmental quality in the room. This research was conducted with the aim of implementing an Internet of Things ( IoT )-based room temperature and humidity monitoring system using an ESP8266 microcontroller and a DHT22 sensor. The system was designed to be able to read temperature and humidity data in real-time, then send it to the ThingSpeak platform via the internet network. The research method includes hardware design, software development, and system performance testing in closed room conditions. Testing was carried out by collecting data at several observation times to see the stability of sensor readings and the data transmission process. The test results showed that the system could run well and stably, with an average temperature of 30.9 °C and an average humidity of 81.9%, and the data was successfully displayed in real-time on the ThingSpeak dashboard without significant data loss. Based on these results, the developed system can be used as a simple and applicable IoT -based room temperature and humidity monitoring solution.
Monitoring Soil Moisture in Chili Plants on a Household Scale Based on the Internet of Things (IoT) Using NodeMCU ESP2866 and Soil Moisture Tiara Elmanda; Ansar Rizal; Hari Purwadi
Journal of Engineering, Electrical and Informatics Vol. 6 No. 1 (2026): Februari: Journal of Engineering, Electrical and Informatics
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jeei.v6i1.6678

Abstract

This study designs and implements a soil moisture monitoring system for household-scale chili plants based on the Internet of Things (IoT) using NodeMCU ESP8266 and soil moisture sensors . The system was developed to assist users in monitoring soil moisture conditions accurately to support more efficient chili plant care. The soil moisture sensor is used to detect soil moisture levels, then the data is processed by NodeMCU ESP8266 and sent via a Wi-Fi network to the IoT platform so that it can be monitored in real-time . System testing was carried out on chili plants planted in pots by observing the sensor reading response in various soil conditions. The test results showed that the system was able to monitor changes in soil moisture stably and display information with a good response. The implementation of this system on a household scale is considered effective in assisting plant watering decisions and reducing the risk of water shortages or excesses. The designed system has the potential to be further developed by adding automatic control features and cloud- based data storage to support the implementation of sustainable smart agriculture.
MONITORING SUHU PADA BOTOL AIR MINUM BERBASISKAN ESP32 DAN SENSOR DS18B20 Fauzy Ahdiat; Ansar Rizal; Hari Purwadi
E-Link: Jurnal Teknik Elektro dan Informatika Vol. 21 No. 1 (2026): Mei 2026
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/e-link.v21i1.11580

Abstract

Penelitian ini bertujuan merancang sistem monitoring suhu pada botol air minum berbasis Internet of Things (IoT) dengan memanfaatkan mikrokontroler ESP32 dan sensor suhu DS18B20. Sistem yang dibangun mampu mengukur suhu air secara langsung (real-time) dan mengirimkan data lewat jaringan Wi-Fi, sehingga pengguna bisa memantaunya kapan saja melalui smartphone maupun komputer. Dalam penelitian ini, permasalahan yang diangkat adalah kondisi botol yang tidak dilengkapi sistem monitoring untuk mengetahui suhu air di dalamnya. Dalam pengujian dilakukan menggunakan 1 botol dengan interval 0 detik sampai 1 menit, dan dihitung rata-rata suhu yang diperoleh adalah 16,53°C untuk air dingin, 28,30°C untuk air normal, dan 68,20°C untuk air panas. Hasil ini memperlihatkan bahwa sistem yang dirancang mampu bekerja dengan baik dalam memantau suhu air sekaligus membantu pengguna memahami kondisi air yang dikonsumsi.
Implementasi Kelayakan Radio Wireless PTP 5.8 GHz pada Area Terpisah Ahmad Lutfi Ramadhan; Supriadi Supriadi; Hari Purwadi
Jurnal Publikasi Ilmu Komputer dan Multimedia Vol. 5 No. 2 (2026): Mei: Jurnal Publikasi Ilmu Komputer dan Multimedia
Publisher : Pusat Riset dan Inovasi Nasional

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Abstract

This study aims to evaluate the feasibility of implementing a 5.8 GHz point-to-point (PTP) wireless radio system as a network connectivity solution for geographically separated areas. The main issue addressed is the limitation of cable-based infrastructure in hard-to-reach locations, along with the need for a stable, efficient, and cost-effective network. The research employed an experimental approach, including link planning, radio device installation, Line of Sight (LoS) testing, and network performance measurement. Data were collected through direct field testing by measuring throughput, latency, packet loss, and received signal strength indicator (RSSI) values. The results show that the 5.8 GHz PTP radio implementation is capable of providing stable connectivity with average throughput sufficient for data access needs, low latency, and packet loss within acceptable network tolerance standards. The main factors affecting connection quality include LoS conditions, frequency interference levels, and antenna alignment accuracy. Based on the analysis, the 5.8 GHz wireless PTP system is considered feasible as an alternative network infrastructure for separated areas with relatively lower costs compared to conventional cable installations. In conclusion, this technology is both effective and efficient in supporting network expansion, particularly in regions with geographical barriers or limited physical infrastructure
Co-Authors , Hartiwiningsih Agung Nugroho Agusma Wajiansyah Ahmad Kodir Jailani Tanjung Ahmad Lutfi Ramadhan Ari Prasetya Panca Atmaja Arief Suryono Aryono , Budi Sulistiyono Deny Muria Hindrato Desriani Martha Noelita Pakpahan Erna Dyah Kusumawati Fauzy Ahdiat Gusti Ayu Utami Hartiwiningsih , Hartriwiningsih , I Gusti Ayu Ketut Rachmi Handayani I Ketut Suarbawa Indri Asra Ismanto Irawan Adi Wijaya Janeta Wahyu Hidayah Lego Karjoko M. Giovani Fernanda Mohamat Riza Kuswanto Patri Bayu Murdi Pranoto , Pujiyono Ratna Nova Andana Restika Prahanela Retno Puspo Dewi Rizal, Ansar SITI FATIMAH Siti Wahyuningsih Sudarto , Supanto , Supriadi Supriadi Syahruddin, Erwin Syelviana Meisyaroh Th. Wahyu Winarto Tiara Elmanda Widodo T Novianto Widodo Tresno Novianto Widodo.T Novianto Yatini , Yuli Isnandar