MUHAMMAD RAFI, NPM 2108100077 (2025) RANCANG BANGUN ALAT PEMANTAUAN KUALITAS UDARA BERBASIS INTERNET OF THINGS (IOT). Skripsi thesis, Universitas Labuhanbatu.
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Abstract
Pencemaran udara akibat aktivitas industri menjadi salah satu permasalahan lingkungan yang berdampak langsung terhadap kesehatan masyarakat. Penelitian ini bertujuan untuk merancang dan membangun sistem pemantauan kualitas udara berbasis Internet of Things (IoT) yang dapat mendeteksi parameter lingkungan secara real-time. Sistem menggunakan mikrokontroler ESP32 sebagai pusat kendali, sensor MQ-135 untuk mengukur kandungan gas berbahaya (CO, CO₂, dan senyawa organik volatil), serta sensor DHT11 untuk membaca suhu dan kelembaban udara. Data hasil pengukuran ditampilkan melalui OLED display dan dikirim ke aplikasi Blynk menggunakan jaringan Wi-Fi. Selain itu, sistem dilengkapi dengan fitur notifikasi otomatis ke WhatsApp melalui API Twilio ketika nilai polutan melebihi ambang batas. Pengujian dilakukan di sekitar area industri PT Rubber Hock Lie, Rantau Prapat. Hasil pengujian menunjukkan bahwa sistem mampu menampilkan data suhu, kelembaban, dan kualitas udara secara akurat serta memberikan peringatan dini dalam waktu kurang dari 5 detik setelah ambang batas terlampaui. Sistem ini terbukti efektif, ekonomis, dan responsif dalam pemantauan kualitas udara, sehingga dapat dijadikan solusi alternatif untuk mendukung pengelolaan lingkungan dan meningkatkan kesadaran masyarakat terhadap pentingnya udara bersih. Kata kunci: Internet of Things, ESP32, MQ-135, DHT11, Blynk, WhatsApp, Kualitas Udara =================================================================================================== Air pollution caused by industrial activities is one of the major environmental issues that directly affects public health. This study aims to design and develop an Internet of Things (IoT)-based air quality monitoring system capable of detecting environmental parameters in real-time. The system utilizes an ESP32 microcontroller as the main controller, an MQ-135 sensor to measure harmful gases (CO, CO₂, and volatile organic compounds), and a DHT11 sensor to measure temperature and humidity. The measurement results are displayed on an OLED screen and transmitted to the Blynk application via Wi-Fi connection. In addition, the system is equipped with an automatic notification feature through WhatsApp using the Twilio API whenever pollutant levels exceed the threshold. The testing was carried out around the industrial area of PT Rubber Hock Lie, Rantau Prapat. The results show that the system can accurately display temperature, humidity, and air quality data, and provide early warnings in less than 5 seconds after the threshold is exceeded. This system has proven to be effective, economical, and responsive for air quality monitoring, thus offering an alternative solution to support environmental management and to raise public awareness of the importance of clean air. Keywords: Internet of Things, ESP32, MQ-135, DHT11, Blynk, WhatsApp, Air Quality
| Item Type: | Thesis (Skripsi) |
|---|---|
| Uncontrolled Keywords: | Internet of Things, ESP32, MQ-135, DHT11, Blynk, WhatsApp, Kualitas Udara============Internet of Things, ESP32, MQ-135, DHT11, Blynk, WhatsApp, Air Quality |
| Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science T Technology > T Technology (General) Z Bibliography. Library Science. Information Resources > ZA Information resources > ZA4050 Electronic information resources Z Bibliography. Library Science. Information Resources > ZA Information resources > ZA4450 Databases |
| Divisions: | Fakultas Sains Dan Teknologi > Teknologi Informasi |
| Depositing User: | Unnamed user with email repository@ulb.ac.id |
| Date Deposited: | 07 Nov 2025 07:52 |
| Last Modified: | 07 Nov 2025 07:52 |
| URI: | http://repository.ulb.ac.id/id/eprint/1938 |
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