Automated Environmental Hazard Detection System

🌐 Project Overview

An advanced multi-sensor security system designed for comprehensive environmental monitoring and hazard detection using Arduino.

🛠 Hardware Components

Main Controller

• Arduino Uno R3

Sensors

• Temperature Sensor: Thermistor
• Gas Detector: MQ-2 Gas Sensor
• Distance Monitor: HC-SR04 Ultrasonic Sensor
• Light Sensor: Light Dependent Resistor (LDR)

Actuators

• Micro Servo Motor
• Red LED Indicator
• Active Buzzer

🔌 Circuit Schematic

📋 System Specifications

Sensor Thresholds

• Temperature: < 50 (Raw Value)
• Gas Concentration: > 200 (Raw Value)
• Light Intensity: > 100 (Raw Value)
• Distance: <= 10 cm

Alarm Mechanism

• Continuous environmental monitoring
• Real-time sensor value tracking
• Automatic alarm activation
• Servo-based access control

🔧 Key Features

• Multi-sensor hazard detection
• Adaptive alarm system
• Serial monitor logging
• Automatic system reset

📦 Required Libraries

• Servo.h

🚀 Installation Steps

1. Clone the repository
2. Open in Arduino IDE
3. Upload to Arduino Uno R3
4. Connect all sensors as per schematic

💡 Usage

• Power on the system
• Monitor serial output
• System will automatically detect and respond to environmental changes

🔬 Potential Applications

• Home Security
• Industrial Safety
• Environmental Monitoring

⚠️ Limitations

• Requires regular sensor calibration
• Analog sensor precision varies
• Not a replacement for professional safety systems

🤝 Contributing

1. Fork the repository
2. Create your feature branch
3. Commit changes
4. Push to the branch
5. Create pull request

📄 License

MIT License

🛡️ Safety Notice

This is a prototype system. Always complement with professional safety equipment.