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Saragi, Dian Putra
Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Medicine & Pharmacology Nursing Public Health Social Sciences Other

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RANCANG BANGUN ALAT PEMANTAU KUALITAS UDARA REAL TIME BERBASIS ESP32 DAN INTERNET OF THINKS Ihsan Ahmad Naipospos; Rizki Abdillah; Rizki Renaldi; Eka Dodi Suryanto; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9490

Abstract

Polusi udara merupakan ancaman serius bagi kesehatan masyarakat, khususnya di kawasan perkotaan dan industri di Indonesia. Penelitian ini bertujuan merancang dan membangun sistem pemantauan kualitas udara secara real time berbasis mikrokontroler ESP32 yang terintegrasi dengan platform Blynk IoT. Sistem menggunakan sensor MQ-135 untuk mendeteksi konsentrasi gas polutan, serta sensor DHT11 dan DHT22 untuk mengukur suhu dan kelembaban udara. Untuk meningkatkan akurasi data suhu dan kelembaban, diterapkan algoritma sensor fusion berbasis pembobotan, di mana DHT22 diberi bobot 70% dan DHT11 sebesar 30%. Data hasil pengukuran ditampilkan secara lokal melalui LCD I2C 16x2 dan dikirimkan ke dashboard Blynk IoT melalui koneksi Wi-Fi untuk pemantauan jarak jauh. Sistem juga dilengkapi indikator LED tricolor dan buzzer aktif sebagai peringatan visual dan audio berdasarkan tiga kategori kualitas udara: BAIK (ADC < 1000), SEDANG (ADC 1000–2499), dan BURUK (ADC ≥ 2500). Pengujian dilakukan di empat lokasi berbeda, yaitu ruang terbuka, ruang kelas ber-AC, kamar mandi tertutup, dan dapur saat aktif memasak, dengan hasil nilai ADC masing-masing 487 (BAIK), 612 (BAIK), 1.876 (SEDANG), dan 2.784 (BURUK). Hasil pengujian menunjukkan bahwa sistem berhasil mendeteksi dan mengklasifikasikan kualitas udara secara akurat, dengan data terkirim ke Blynk Cloud setiap 5 detik dan packet loss hanya 1,2%. Sistem ini terbukti menjadi solusi pemantauan kualitas udara yang akurat, terjangkau, dan andal berbasis IoT.
RANCANG BANGUN SISTEM ELEVATOR MINI BERBASIS DUAL ARDUINO DENGAN KOMUNIKASI I2C Ilham Rizky Ananda; Manuel Manuel; Ergy Firly; Eka Dodi Suryanto; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9491

Abstract

This study is motivated by the limitations of systems that can represent the working principles of elevators in a practical and applicative manner within the field of control systems. The purpose of this research is to design and develop a mini elevator prototype based on two Arduino Uno microcontrollers communicating via the Inter-Integrated Circuit (I2C) protocol. The method used is experimental research with a system engineering approach, including system design, assembly, programming, and testing stages. The proposed system consists of a master Arduino as the main controller and a slave Arduino for controlling the automatic door system and sensors. The main components include a DC motor as the driving system, limit switches as position sensors, an ultrasonic sensor for safety detection, and a servo motor for the automatic door mechanism. The test results show that the system is capable of responding quickly to button inputs, accurately stopping the motor based on limit switch signals, and operating the automatic door system effectively. Furthermore, I2C communication between the two microcontrollers runs stably and in real-time. Therefore, the proposed prototype successfully implements a closed-loop control system and can serve as a reference for the development of microcontroller-based control systems.
Perancangan dan Implementasi Sistem Smart Waste Bin Berbasis ESP32 dengan Integrasi Multi-Sensor Muhammad Aris; Nehemia Fernando Danamik; Kelvin Adventino Purba; David Rio Manalu; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9492

Abstract

The increasing volume of waste has become a serious problem, as conventional waste management systems are still inefficient. This study aims to design a smart waste bin based on ESP32 with multi-sensor integration to improve efficiency.The system uses ultrasonic, infrared, MQ-2, and DHT11 sensors, with a servo as the actuator and a buzzer as an indicator. The results show that the system works well, is responsive, and improves waste condition monitoring.This system provides a practical solution to support environmental cleanliness.
Perancangan Miniatur Smart Greenhouse untuk Sistem Penyiraman dan Monitoring Tanaman Secara Otomatis Jesetua Natanael Simorangkir; Eka Dodi Suryanto; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9495

Abstract

The advancement of technology in the agricultural sector has spurred the implementation of automation systems to optimize efficiency and productivity through the Internet of Things (IoT) concept. This study aims to design and implement an integrated ESP32 microcontroller-based Smart Greenhouse system for real-time monitoring and control of environmental parameters. The system architecture integrates a series of sensors including soil moisture, temperature, light intensity, and motion sensors, supported by an LCD as a local interface and the Blynk application for remote monitoring. The methodology used is an experimental system engineering design approach that includes the design, implementation, and performance testing phases. The test results show that the system is capable of accurately acquiring environmental data and disseminating information synchronously through local and cloud platforms. In addition, the automatic control mechanism is proven effective in activating water pump actuators based on fluctuations in soil moisture parameters with a short response time. These findings confirm that the implementation of an IoT-based Smart Greenhouse system can improve the efficiency of crop management through watering automation and remote monitoring. This research has the potential to be developed on an industrial scale with optimization of sensor precision and network connectivity stability.
RANCANG BANGUN PROTOTYPE SISTEM PERINGATAN DINI KENAIKAN AIR SUNGAI DAN POTENSI LONGSOR BERBASIS IOT Restu Toriqiyatul Hayat; Andreas B Siahaan; Yosephus Ifanuel rumapea; Eka Dodi Suryanto; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9502

Abstract

This study aims to design and implement a prototype of an Internet of Things (IoT)-based early warning system for river water level rise and landslide potential. The system utilizes an ESP32 microcontroller as the main controller integrated with multiple environmental sensors, including an ultrasonic sensor for water level measurement, a soil moisture sensor, a vibration sensor, and a temperature and humidity sensor. The research method used is experimental, involving system design, hardware implementation, software development, and functional testing. The system is capable of monitoring environmental parameters in real-time and classifying conditions into three levels: safe, alert, and danger. The results show that the system successfully detects changes in environmental conditions and provides warnings through visual indicators, audio alarms, and IoT-based notifications. The multi-parameter approach improves the accuracy and reliability of the system in identifying potential flood and landslide risks. This prototype demonstrates effective performance and has the potential to be further developed into a real-world disaster mitigation system.
DESAIN PRODUK SISTEM MONITORING KUALITAS AIR KOLAM IKAN LELE BERBASIS SENSOR DAN MIKROKONTROLER Separ Gunawan Sinaga; Abdul Waqi Adlan; Jeremia Tobing; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9503

Abstract

Water quality is a critical factor influencing the success of catfish farming, as parameters such as temperature, pH, and visual water conditions directly affect fish growth and survival. Conventional monitoring methods are generally performed manually, resulting in limited accuracy and delayed responses to environmental changes. This study aims to design and implement a real-time water quality monitoring system based on Arduino Uno integrated with multiple sensors, including DS18B20 for temperature, a pH sensor for acidity, TCS3200 for water color detection, and a water level sensor. The system was developed using a prototyping approach, involving hardware integration and software programming using Arduino IDE. Experimental testing was conducted using clean tap water and polluted river water containing algae to evaluate system performance. The results indicate that the system is capable of accurately detecting variations in water quality parameters. Temperature and pH readings successfully distinguished between optimal and non-optimal conditions, while the TCS3200 color sensor effectively identified changes in water color based on RGB values, providing more detailed information compared to conventional turbidity-based methods. The system also provides real-time visual output through an LCD and early warning alerts via LED and buzzer when water conditions exceed normal thresholds. The findings suggest that the proposed system offers a practical and effective solution for monitoring water quality in catfish farming, with potential implications for improving productivity and enabling more responsive environmental management.
DESAIN DAN IMPLEMENTASI SISTEM BANTU BLIND SPOT MENGGUNAKAN SENSOR ULTRASONIK, PIR, LDR, DAN IMU PADA KENDARAAN BERAT Eduart Hotman Purba; Jerryo Daniel Saragih; Rio Rivaldo Sinurat; Eka Dodi Suryanto; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9506

Abstract

Accidents involving large vehicles such as trucks are often caused by blind spots that restrict the driver’s view. This research aims to develop a mictocontroller-based blind spot detection system capable of detecting objects, distinguishing between humans and inanimate objects, and adjusting detection system capable of detecting objects, distinguishing between humans and inanimate objects, and adjusting detection sensitivity according to environmental conditions. This system uses an Arduino Uno as the main controller, integrated with two ultrasonic sensors to detect the distance of objects in front and behind the vehicle. The Passive Infrared (PIR) sensor detects the presence of humans based on body heat radiation, while the Light Dependent Resistor (LDR) sensor sets the detection threshold to 30 cm in bright conditions and 50 cm in dark conditions. The Inertial Measurement Unit (IMU) sensor makes the system active only when the vehicle is moving, thus saving power. The results show that the system detects objects with high accuracy within the specified distance range, correctly distinguishes humans, and responds well to changes in light and vehicle movement. This system is expected to be an effective solution to improve driving safety in large vehicles through early warning in blind spot areas.
Design and Implementation of an IoT-Based Smart Greenhouse Monitoring System Prototype Using ESP32 Microcontroller Laoli, Christoper Alfredo; Ongku Puadi Harahap; Arga Sakti Oktavianus Sihombing; Eka Dodi Suryanto; Dian Putra Saragi
JOURNAL SAINS STUDENT RESEARCH Vol. 4 No. 2 (2026): April
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v4i2.9577

Abstract

The development of Internet of Things (IoT) technology provides solutions to improve the efficiency of monitoring and managing plant environments, particularly in greenhouse systems. A common problem is the lack of optimal monitoring of environmental conditions such as temperature, air humidity, soil moisture, and light intensity, which significantly affect plant growth. This study aims to design and implement a prototype smart greenhouse monitoring system based on IoT using the ESP32 microcontroller to monitor environmental conditions in real-time and support automatic irrigation. The research method used is an experimental approach involving system design, assembly, and testing in an indoor environment using potted plants. The system utilizes a DHT11 sensor for temperature and humidity, a soil moisture sensor for soil conditions, an LDR sensor for light intensity, and an ultrasonic sensor for measuring water level. The collected data were analyzed descriptively to evaluate system performance. The results show that all sensors function properly and are able to detect environmental changes accurately, and the system successfully transmits data in real-time to a monitoring platform. The implication of this research is that the developed system can serve as an effective solution for automated plant monitoring and irrigation in small to medium-scale applications.
Pemodelan dan Analisis Koordinasi Proteksi Overcurrent Relay pada Sistem Distribusi Tenaga Listrik Menggunakan ETAP Ritonga, Syah Fikri; Saragi, Dian Putra; Junaidi, Agus
Jurnal Pendidikan Tambusai Vol. 10 No. 1 (2026)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v10i1.37833

Abstract

Penyaluran energi listrik pada jaringan distribusi memerlukan sistem proteksi yang handal agar kontinuitas pelayanan tetap terjaga serta peralatan terlindungi dari kerusakan akibat gangguan. Salah satu perangkat yang sering digunakan adalah overcurrent relay (OCR), yaitu relai yang bekerja saat terjadi arus lebih. Gangguan seperti hubung singkat dapat menimbulkan lonjakan arus yang tinggi sehingga berisiko merusak komponen sistem jika tidak segera ditangani. Oleh karena itu, penentuan setting OCR yang tepat sangat penting untuk memastikan relai dapat bekerja secara selektif dan cepat. Penelitian ini dilakukan dengan memodelkan sistem distribusi menggunakan ETAP, dilanjutkan analisis arus gangguan dan penentuan parameter relai seperti arus pickup dan waktu operasi. Hasil simulasi menunjukkan bahwa pengaturan yang tepat mampu menghasilkan koordinasi proteksi yang baik dan efektif dalam mengisolasi gangguan.
MEMBANGUN PERTANIAN DESA BERKELANJUTAN, KOLBAORASI PEMERINTAH, SWASTA, UNSUR PENDIDIKAN DAN KOMUNITAS LOKAL Tri Martial; Al Ikhlas; Ali Ramatni; Rohimah Rohimah; Dian Putra Saragi; Jainudin Hasim
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 6 No. 5 (2025): Vol.6 No. 5 Tahun 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v6i5.51467

Abstract

Pertanian merupakan sektor strategis yang memiliki peran penting dalam menjaga ketahanan pangan nasional, meningkatkan kesejahteraan masyarakat, serta mendukung pembangunan berkelanjutan. Namun, tantangan seperti degradasi lahan, perubahan iklim, rendahnya produktivitas, dan minimnya kolaborasi antar pemangku kepentingan masih menjadi hambatan utama dalam pembangunan pertanian desa. Program Kreativitas Mahasiswa (PKM) ini berjudul “Membangun Pertanian Desa Berkelanjutan: Kolaborasi Pemerintah, Swasta, Unsur Pendidikan, dan Komunitas Lokal”, bertujuan untuk menciptakan model sinergi multipihak dalam pengelolaan pertanian desa yang ramah lingkungan, efisien, dan berdaya saing. Metode pelaksanaan program meliputi pendekatan partisipatif melalui pelatihan teknologi pertanian berkelanjutan, pendampingan manajemen usaha tani, penerapan sistem pertanian organik dan digital farming, serta penguatan kelembagaan kelompok tani. Pemerintah berperan sebagai fasilitator kebijakan dan dukungan infrastruktur, sektor swasta sebagai penyedia modal dan akses pasar, lembaga pendidikan sebagai penyumbang inovasi dan riset, sedangkan komunitas lokal berperan sebagai pelaksana dan penjaga keberlanjutan kegiatan. Hasil yang diharapkan dari program ini adalah meningkatnya kapasitas petani dalam mengelola sumber daya pertanian secara berkelanjutan, terciptanya model kolaboratif yang dapat direplikasi di wilayah lain, serta meningkatnya kesejahteraan masyarakat desa melalui peningkatan produktivitas dan nilai tambah hasil pertanian. Dengan demikian, program ini diharapkan mampu menjadi contoh nyata implementasi konsep pertanian desa berkelanjutan berbasis kolaborasi lintas sektor.
Co-Authors Abdul Waqi Adlan Aditiya Pratama Daryana Agus Junaidi Aidil Syahputra Indardi Al Ikhlas Albert Sebastian Siahaan Ali Ramatni Andreas B Siahaan Anja Tri Darmawan Annisa, Selly Arga Sakti Oktavianus Sihombing Arif Paulus W. Hutagaol Bakti Dwi Waluyo Benjamin Silalahi Benyamin Kusumoputro Biondi Sitompul David Rio Manalu Deswen Lumban Gaol Dicki C Manurung Eduart Hotman Purba Egy Wira indana Eka Dodi Suryanto Ergy Firly Erianto Rejeki Siregar Eva Morani Sinurat Farid Wajdy Sitorus Felix Hizkia Simanjuntak Firmansyah Putra Friska Afrilia Hutasoit Fritz Immanuel S, Michael Genap Munthe Gideon Fercy Silitonga Haikal Budi Utomo Haykal Silaban Hutur P Siahaan Ihsan Ahmad Naipospos Ilham Rizky Ananda Immanuel, Michael Fritz Irenius Lumban gaol Jainudin Hasim Jastin Pangaribuan Jeremia Tobing Jerryo Daniel Saragih Jesetua Natanael Simorangkir Karya Cipta Mikado siregar Kelvin Adventino Purba Laoli, Christoper Alfredo Luis Zefanya Manuel Manuel Michael Oklando Sihotang Muchsin Harahap Muhammad Akram Haidar Syah Muhammad Aris Muhammad Ashari Muhammad Ashari Muhammad Aulia Rahman Sembiring Muhammad Ikbal Nada Candika Nehemia Fernando Danamik Nesty Aulia Hutagaol Nicolaus Fidal Diaz Manurung Ongku Puadi Harahap Pratama, Saras Raafiardian Sena Manu Mayoso Raphael Maruli Simanjuntak Rendy Pratama Sihombing Restu Toriqiyatul Hayat Rianda Sapitra Lubis Ricky Nelson Tampubolon Rio Rivaldo Sinurat Riski Josua Pangaribuan Ritonga, Syah Fikri Rizki Abdillah Rizki Renaldi Rohimah Rohimah Roi Tua Simarmata Roihan Parli Lubis Ryris Agatha Runggu Samosir Separ Gunawan Sinaga SINAGA, DESMAN JONTO Sitorus, Abram Jonathan Sitorus, Farid Wajdy Takwa Padang Tama Marito Aritonang Tri Martial Ungkap Hutasoit Wendy Panglima Sikop Pasaribu Windi Andriani Yehezkiel Situmorang Yosephus Ifanuel rumapea Yusuf Sihombing