RANCANG BANGUN SISTEM ALAT DETEKSI KUALITAS UDARA BERBASIS ARDUINO UNO R3 UNTUK APLIKASI KABIN MOBIL

LHIVIA ZHEWANDA PUTRI, . (2026) RANCANG BANGUN SISTEM ALAT DETEKSI KUALITAS UDARA BERBASIS ARDUINO UNO R3 UNTUK APLIKASI KABIN MOBIL. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Pengguna mobil penumpang dapat menghabiskan waktu lama di dalam kabin, terutama saat kemacetan atau perjalanan jauh. Kondisi kabin tertutup dengan sirkulasi udara terbatas berpotensi menurunkan kualitas udara akibat paparan gas karbon monoksida (CO) dari kebocoran sistem knalpot maupun gas refrigeran R-134a dari sistem AC. Kedua gas tersebut tidak berwarna dan tidak berbau sehingga sulit dideteksi secara langsung oleh manusia. Selain itu, suhu dan kelembaban tinggi di Indonesia dapat memengaruhi kenyamanan udara dalam kabin. Penelitian ini bertujuan merancang sistem deteksi kualitas udara dalam kabin mobil berbasis Arduino Uno R3 untuk mendeteksi gas CO, R-134a, suhu, dan kelembaban serta memberikan peringatan dini ketika kondisi udara melebihi batas aman. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan memanfaatkan sensor MQ-7, MQ-139, dan DHT22 yang terintegrasi dengan Arduino Uno R3. Hasil pembacaan sensor ditampilkan melalui LCD 20x4 dengan buzzer dan LED sebagai indikator peringatan. Tahapan penelitian meliputi studi literatur, penentuan kebutuhan sistem, perancangan hardware dan software, perakitan, dan pengujian sistem secara fungsionalitas. Berdasarkan hasil pengujian sistem, alat deteksi kualitas udara untuk berbasis Arduino Uno R3 untuk aplikasi mobil dapat bekerja dengan baik sesuai dengan fungsi yang telah dirancang serta mampu memberikan peringatan dini ketika kualitas udara melewati ambang batas (Threshold ) yang telah ditentukan.*****Passenger car users may spend extended periods inside vehicle cabins, particularly during traffic congestion or long-distance travel. The enclosed cabin environment with limited air circulation may reduce air quality due to exposure to carbon monoxide (CO) from exhaust system leaks and R-134a refrigerant gas from the vehicle air conditioning (AC) system. Both gases are colorless and odorless, making them difficult to detect directly by humans. In addition, the high temperature and humidity typical of Indonesia may affect the comfort and quality of the cabin air. This study aimed to design an Arduino Uno R3-based in-vehicle cabin air quality detection system capable of detecting carbon monoxide (CO), R-134a refrigerant gas, temperature, and humidity, while providing an early warning when air quality exceeds predetermined safety thresholds. The research employed the Research and Development (R&D) method by integrating MQ-7, MQ-139, and DHT22 sensors with an Arduino Uno R3 microcontroller. The sensor readings were displayed on a 20×4 LCD, while a buzzer and LEDs were used as warning indicators. The research stages included literature review, system requirements analysis, hardware and software design, system assembly, and functional testing. The results showed that the proposed Arduino Uno R3-based air quality detection system functioned properly according to the designed specifications and was able to provide an early warning when the monitored air quality parameters exceeded the predetermined threshold values.

Item Type: Thesis (Sarjana)
Additional Information: 1). Dr. Eko Arif Syaefudin, M.T. 2). Dr. Siska Titik Dwiyati, M.T.
Subjects: Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik
Teknologi dan Ilmu Terapan > Teknik Elektronika
Teknologi dan Ilmu Terapan > Manufaktur
Divisions: FT > D IV Teknologi Rekayasa Manufaktur
Depositing User: Lhivia Zhewanda Putri .
Date Deposited: 07 Aug 2026 06:58
Last Modified: 07 Aug 2026 06:58
URI: http://repository.unj.ac.id/id/eprint/69122

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