GitHub repository: GaydhaneAsh/Advanced-IoT-Based-Air-Quality-Monitoring-and-Alert-System
Created: 2025-04-30T08:17:43Z
Description: An Arduino UNO-based system using the MQ135 sensor to detect harmful gases. Alerts are given via LED and buzzer, with real-time data shown on an LCD and sent to a mobile app via Bluetooth for health-related air quality monitoring.