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Saragi, Dian Putra
Universitas Negeri Medan
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Perancangan dan Simulasi Smart Greenhouse Mini Menggunakan Arduino Uno untuk Pengendalian Suhu, Intensitas Cahaya, dan Kelembapan Tanah Ungkap Hutasoit; Windi Andriani; Benjamin Silalahi; Jastin Pangaribuan; Eka Dodi Suryanto; Dian Putra Saragi
JURNAL ILMIAH PENELITIAN MAHASISWA Vol 4 No 2 (2026): Jurnal Ilmiah Penelitian Mahasiswa (JIPM) April 2026
Publisher : Kampus Akademik Publiser

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jipm.v4i2.2266

Abstract

This study designs a Smart Greenhouse Mini based on Arduino Uno to automatically monitor and control temperature, soil moisture, light intensity, and rain conditions. The system uses several sensors integrated with actuators such as a fan, water pump, LED light, and stepper motor. The results show that the system can automatically maintain optimal greenhouse conditions and improve plant management efficiency.
SMART PARKING SYSTEM 2 SLOT BERBASIS ESP32 Muhammad Akram Haidar Syah; Aidil Syahputra Indardi; Nesty Aulia Hutagaol; 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.v4i2.9427

Abstract

The rapid growth of motor vehicles has increased the demand for efficient and automated parking management systems. This study aims to design and implement a two-slot smart parking system based on the ESP32 microcontroller to detect parking availability and control vehicle access automatically. The system utilizes HC-SR04 ultrasonic sensors to detect vehicle presence and infrared sensors to validate vehicle movement at entry and exit gates. Servo motors are used to control the barrier gates, while LED indicators provide real-time parking status information. This research adopts an experimental approach including system design, hardware implementation, software development, and functional testing. The results show that the system successfully detects parking conditions, updates status in real-time, and controls vehicle access automatically with responsive and integrated performance. This system is effective as a prototype and has potential for further development into Internet of Things (IoT)-based applications.
PROTOTYPE SMART IOT SAFETY AND ENERGY MONITORING SYSTEM BERBASIS ESP32 UNTUK MONITORING DAN PROTEKSI INSTALASI LISTRIK SECARA REAL-TIME Tama Marito Aritonang; Karya Cipta Mikado siregar; Anja Tri Darmawan; 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.v4i2.9445

Abstract

Penelitian ini bertujuan untuk merancang dan mengimplementasikan sistem monitoring dan proteksi instalasi listrik berbasis Internet of Things (IoT) menggunakan mikrokontroler ESP32. Sistem yang dikembangkan mengintegrasikan berbagai sensor kelistrikan dan lingkungan, meliputi tegangan, arus, daya aktif, suhu, kelembaban, konsentrasi gas, deteksi api, serta getaran sebagai indikator kondisi instalasi listrik secara menyeluruh. Data yang diperoleh dari sensor diproses secara lokal oleh ESP32 (edge processing) dan dikirimkan ke platform IoT melalui jaringan WiFi untuk pemantauan secara real-time serta pencatatan data historis. Mekanisme proteksi sistem dirancang menggunakan metode berbasis threshold, di mana setiap parameter dibandingkan dengan batas aman yang telah ditentukan. Ketika nilai parameter melebihi ambang batas, sistem secara otomatis mengaktifkan alarm berupa buzzer dan melakukan pemutusan beban melalui relay sebagai tindakan proteksi dini. Selain itu, sistem juga mampu memberikan informasi kondisi secara langsung melalui tampilan lokal maupun platform monitoring jarak jauh.Hasil pengujian menunjukkan bahwa sistem mampu melakukan monitoring multi-parameter secara kontinu dengan waktu respon yang cepat dalam mendeteksi kondisi abnormal. Sistem juga menunjukkan kinerja yang stabil dalam kondisi pengujian laboratorium dengan tingkat akurasi pengukuran yang baik dibandingkan alat ukur standar. Dengan demikian, sistem yang dirancang dapat meningkatkan aspek keselamatan, keandalan, serta efisiensi penggunaan energi pada instalasi listrik, serta berpotensi dikembangkan lebih lanjut pada skala implementasi yang lebih luas.
RANCANG BANGUN SISTEM MONITORING DAN PENGENDALIAN LINGKUNGAN RUANG KELAS BERBASIS IOT MENGGUNAKAN ESP32 Yusuf Sihombing; Biondi Sitompul; Dicki C Manurung; 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.v4i2.9451

Abstract

Classroom environmental conditions play an important role in supporting the comfort and effectiveness of the teaching and learning process. Parameters such as temperature, humidity, light intensity, and air quality directly affect students’ concentration, health, and productivity. This study aims to design and implement an Internet of Things (IoT)-based monitoring and control system for classroom environments using the ESP32 microcontroller. The proposed system integrates multiple sensors, including DHT22 for temperature and humidity, LDR for light intensity, and MQ-2 for air quality detection. Data collected from the sensors are processed by ESP32 and transmitted in real-time to an IoT platform for remote monitoring, while also displayed locally on an LCD. The system employs an ON–OFF control method to automatically regulate devices such as fans, lamps, exhaust fans, and humidifiers based on predefined threshold values. The results show that the system is capable of monitoring environmental parameters accurately and responding automatically to changes in real-time conditions. The integration of monitoring and control functions in a single IoT-based system provides an effective and efficient solution for improving classroom environmental quality. This system can be further developed as part of a smart classroom concept to enhance learning comfort and environmental management.
PERANCANGAN SISTEM SMART ATTENDANCE DAN MONITORING RUANGAN KELAS BERBASIS ESP32 Roihan Parli Lubis; Rianda Sapitra Lubis; Muhammad Ikbal; Dian Putra Saragi; Eka Dodi Suryanto
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.v4i2.9460

Abstract

The rapid development of Internet of Things (IoT) and embedded systems has significantly transformed conventional manual systems into automated and integrated solutions. One of the critical applications is in attendance systems and environmental monitoring, which are still commonly implemented manually and prone to errors, data manipulation, and inefficiency. This study aims to design and implement a smart attendance system integrated with classroom environmental monitoring using the ESP32 microcontroller. The system utilizes an RFID RC522 module for user identification, a DHT11 sensor for temperature and humidity monitoring, a PIR sensor for motion detection, and an LDR sensor for light intensity measurement. The collected data are processed by the ESP32 and displayed in real-time through a 16×2 LCD interface, while actuators such as a DC fan, buzzer, and LED indicators respond automatically based on system conditions. The research methodology includes hardware and software design, system integration, and performance testing. A threshold-based control algorithm with hysteresis is implemented to ensure stable fan operation and avoid frequent switching. Experimental results indicate that the system successfully performs accurate RFID-based attendance recording, real-time environmental monitoring, and automatic fan control when the temperature exceeds the defined threshold. The integration of multiple sensors enhances system functionality and improves energy efficiency. Therefore, the proposed system can be considered a reliable prototype for smart classroom applications that combines attendance automation and environmental control in a single platform.
PROTOTYPE SISTEM KEAMANAN RUMAH BERBASIS MULTI-SENSOR DAN NOTIFIKASI SMS MENGGUNAKAN ESP32 Arif Paulus W. Hutagaol; Nicolaus Fidal Diaz Manurung; Wendy Panglima Sikop Pasaribu; 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.v4i2.9466

Abstract

The rapid development of embedded systems technology has driven the advancement of more effective and autonomous home security systems, particularly in environments with limited internet access. Potential risks such as fire, gas leakage, and physical intrusion require an early detection system that can operate in real time and reliably. This study aims to design and implement a prototype of a home security system based on ESP32 using a multi-sensor approach and SMS-based notification. An experimental method was employed, including system design, hardware and software implementation, and performance testing. The proposed system integrates a PIR sensor for motion detection, an MQ-2 sensor for gas and smoke detection, a flame sensor for fire detection, and an SW-420 vibration sensor for physical disturbances, supported by a SIM800L GSM module for communication. The results show that the system is capable of detecting hazardous conditions in real time with good responsiveness, where the flame sensor has the fastest response time of approximately ±1 second, PIR and vibration sensors respond within ±1–2 seconds, and the MQ-2 sensor requires ±2–5 seconds depending on gas concentration. The system also successfully sends SMS notifications with an average delay of 5–10 seconds depending on network signal quality. Overall, the system demonstrates stable and effective performance, making it a reliable and cost-efficient embedded-based home security solution that does not depend on internet connectivity and is suitable for various environmental conditions.
Desain Rancangan Pembangkit Tenaga Surya di Gedung Pendidikan Teknik Bangunan Farid Wajdy Sitorus; Haikal Budi Utomo; Egy Wira Indana; 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.v4i2.9483

Abstract

The rooftop of the University of Medan Construction building which has an area of 210 m2 can be used as a solar power plant (PLTS). Installing PLTS in buildings has several advantages, namely as a long-term energy investment and easy to integrate with the grid electrical system. PLTS is designed to save electricity consumption. In addition, if PLTS is connected to a battery, it can meet some of the energy needs at night. To design a PLTS installation in the Integrated Laboratory building, this research uses technical and economic analysis methods. Technical analysis is carried out to determine the capacity and number of PV mini-grid components required for installation. While the economic analysis aims to calculate the investment costs and the length of time for the return on investment compared to buildings without PV mini-grid installations. Based on this research, the results show that the amount of energy required for the Integrated Laboratory building is 482.148 kWh, while the planned PLTS is able to provide energy of 216,128 kWh. The PLTS design requires an initial investment of Rp. 927,700,894,-. So by using the Payback Period (PP) method, it can be concluded that the planned design is feasible, because the comparison of the cost of return on investment is 9.13 years faster than the project age that has been determined previously, which is 20 years.
Perancangan dan Evaluasi Lengan Robot 4-DOF Berbasis ESP32 Dengan Kendali Manual Menggunakan Aplikasi Bluetooth Android Deswen Lumban Gaol; Michael Oklando Sihotang; Albert Sebastian Siahaan; 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.v4i2.9485

Abstract

The development of robotics and embedded systems has increased the need for accessible learning media to support the understanding of basic control concepts. However, industrial robotic systems are generally expensive and complex, making them less suitable for introductory learning. This study aims to design and evaluate a 4-degree-of-freedom (4-DOF) robotic arm based on ESP32 as a learning medium for basic control systems. The research method includes hardware and software system design, implementation of a Bluetooth-based control system using an Android gamepad interface, and experimental testing. The system applies an incremental control method combined with a Degree of Freedom mechanism to regulate actuator movement gradually. The evaluation covers control mapping accuracy, system responsiveness, angle constraints, startup stability, serial monitoring, and response consistency. The results show that the system successfully executes all control commands with accurate input-output mapping and stable performance. The system maintains actuator movement within safe angle limits and operates without disturbance during startup. In addition, the serial monitoring feature enables real-time visualization of the control process. The findings indicate that the developed system is suitable as a low-cost educational platform for learning basic robotic control concepts due to its simplicity, intuitiveness, and ease of implementation.
Rancang Bangun Smart Home Security System Berbasis ESP32 dengan Multi-Sensor dan LCD I2C Nada Candika; Raphael Maruli Simanjuntak; Riski Josua Pangaribuan; 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.v4i2.9486

Abstract

Home security is increasingly important due to risks such as theft, fire, and gas leakage. Conventional systems often lack real-time monitoring and automatic response. This study aims to design a smart home security system based on the ESP32 microcontroller using multiple sensors and an LCD I2C display. The system integrates a PIR sensor for motion detection, a magnetic door switch for door status, an MQ-2 sensor for gas detection, and a flame sensor for fire detection. A buzzer is used as an alarm, while a 16x2 LCD provides real-time system information. The method includes system design, hardware assembly, programming, and functional testing. The results show that the system can detect various hazards and provide immediate alerts through sound and display. This indicates that a low-cost, integrated security system can be effectively implemented for residential safety.
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.
Co-Authors Abdul Waqi Adlan Aditiya Pratama Daryana Aidil Syahputra Indardi Al Ikhlas, Al Ikhlas Albert Sebastian Siahaan Ali Ramatni Andreas B Siahaan Anja Tri Darmawan Annisa, Selly 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 Farid Wajdy Sitorus Felix Hizkia Simanjuntak Firmansyah Putra Friska Afrilia Hutasoit Fritz Immanuel S, Michael Haikal Budi Utomo Hasim, Jainudin Hutur P Siahaan Ihsan Ahmad Naipospos Ilham Rizky Ananda Immanuel, Michael Fritz Jastin Pangaribuan Jeremia Tobing Jerryo Daniel Saragih Jesetua Natanael Simorangkir Karya Cipta Mikado siregar Kelvin Adventino Purba 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 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 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 Tama Marito Aritonang Tri Martial Ungkap Hutasoit Wendy Panglima Sikop Pasaribu Windi Andriani Yosephus Ifanuel rumapea Yusuf Sihombing