USMA SAHARANI, . (2026) RANCANG BANGUN KOMUNIKASI LORA PADA SISTEM MONITORING SUHU, KELEMBAPAN, KECEPATAN ANGIN, DAN INDEKS SINAR ULTRAVIOLET DI TAMAN OLAHRAGA. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.
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Abstract
Pemantauan kondisi lingkungan secara real-time sangat penting terutama di ruang terbuka seperti taman olahraga, guna mendukung kenyamanan dan keselamatan masyarakat. Penelitian ini bertujuan untuk merancang dan mengimplementasikan sistem monitoring suhu, kelembapan, kecepatan angin, dan indeks sinar ultraviolet (UV) berbasis komunikasi LoRa. Sistem dibangun menggunakan dua node Transmitter yang dilengkapi sensor DHT11, anemometer, dan ML8511, yang terhubung ke mikrokontroler Arduino Uno dan ditenagai oleh baterai 9V. Data dari kedua Transmitter dikirimkan melalui modul LoRa E32 915T20D ke satu receiver yang juga menggunakan Arduino, dengan data ditampilkan langsung pada LCD 20X4. Pengujian dilakukan di taman olahraga Velodrome dengan dua titik pengamatan berjarak masing-masing 550 meter dan 490 meter dari receiver, dalam kondisi Non Line of Sight (NLOS). Hasil pengujian menunjukkan bahwa sistem bekerja secara optimal, dengan kualitas sinyal ditunjukkan oleh nilai RSSI antara - 87,48 dBm hingga -86,47 dBm. Nilai throughput yang diperoleh dari Transmitter 1 dan 2 masing-masing adalah 0,175 kbps dan 0,222 kbps. Data yang ditampilkan dalam bentuk grafik memperlihatkan variasi nilai suhu, kelembapan, kecepatan angin, dan UV berdasarkan waktu pengambilan yang berbeda di kedua titik pengamatan. Dengan hasil tersebut, sistem ini terbukti efektif sebagai perangkat monitoring lingkungan nirkabel jarak jauh dan berpotensi untuk dikembangkan dalam aplikasi Internet of Things (IoT) serta sistem peringatan dini di ruang publik. Kata kunci: LoRa , DHT11, anemometer, ML8511, monitoring lingkungan ***** Real-time environmental condition monitoring is crucial, especially in open spaces such as sports parks, to support public comfort and safety. This study aims to design and implement a LoRa-based monitoring system for temperature, humidity, wind speed, and ultraviolet (UV) index. The system is built using two Transmitter nodes equipped with DHT11 sensors, anemometers, and ML8511 sensors, connected to Arduino Uno microcontrollers and powered by 9V batteries. Data from both Transmitters are sent via LoRa E32 915T20D modules to a single receiver, which also uses an Arduino and displays the data directly on a 20x4 LCD screen. Testing was conducted at the Velodrome sports park, with two observation points located 550 meters and 490 meters from the receiver, respectively, under Non-Line of Sight (NLOS) conditions. Test results show that the system operates optimally, with signal quality indicated by RSSI values ranging from -87.48 dBm to -86.47 dBm. The throughput values obtained from Transmitters 1 and 2 are 0.175 kbps and 0.222 kbps, respectively. The data, displayed in graphical form, illustrate the variation in temperature, humidity, wind speed, and UV index over different sampling times at the two observation points. These results demonstrate that the system is effective as a long-range wireless environmental monitoring device and has the potential to be further developed for Internet of Things (IoT) applications and early warning systems in public spaces. Keywords: LoRa, DHT11, anemometer, ML8511, environmental monitoring
| Item Type: | Thesis (Sarjana) |
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| Additional Information: | 1). Dr. Aodah Diamah, S.T., M.Eng. ; 2). Dr. Baso Maruddani, M.T. |
| Subjects: | Teknologi dan Ilmu Terapan > Teknik Elektronika |
| Divisions: | FT > S1 Pendidikan Teknik Elektronika |
| Depositing User: | Users 32823 not found. |
| Date Deposited: | 03 Feb 2026 04:01 |
| Last Modified: | 03 Feb 2026 04:01 |
| URI: | http://repository.unj.ac.id/id/eprint/64770 |
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