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Welcome to our innovative project — Smart Health Guardian 🌿

This project is designed to monitor air quality and detect coughing using sensors and an Arduino Nano. It helps people stay safe by showing air quality levels on an OLED display and alerting users through a buzzer and LED when cough or poor air is detected.

💡 Features:
✅ Detects poor air quality using MQ135 sensor
✅ Detects coughing or loud sounds using a sound sensor
✅ Displays readings on OLED screen
✅ Alerts users with buzzer and LED
✅ Portable, low-cost, and easy to use

⚙️ Components Used:

Arduino Nano

MQ135 Air Quality Sensor

Sound Sensor

OLED Display

Buzzer

LED

Lithium-ion Battery

🌍 Our Mission:
To make a simple and affordable device that helps every home, school, and workplace monitor health and stay safe — supporting the vision of an Aatmanirbhar Bharat 🇮🇳

📢 Made under:
#AtalBuildathon #Marathon #Atal #AatmanirbharBharat #Innovation #STEM #ArduinoProjects

👩‍🔬 Team name : Smart Health Guardian
members: Dhariya Gouchwal and Parth Mamgain