🏠 Home Automation System

This project is a Home Automation System that allows you to control 4 appliances (lights, fans, etc.) remotely using NodeMCU, a 4-channel relay module, and Blynk app buttons.
The Arduino Uno handles the relay switching, while the NodeMCU connects to Wi-Fi and communicates with the Blynk cloud.

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🧠 Features

• 🌐 Remote control of 4 appliances via Blynk app buttons
• 🔌 Uses 4-channel relay module for switching devices ON/OFF
• 🔄 Real-time appliance status updates in the app
• ✅ Easy to expand with more relays or IoT devices
• 📱 Works on Android & iOS Blynk app

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⚙️ Hardware Required

• Arduino Uno
• NodeMCU ESP8266
• 4-Channel Relay Module
• Jumper wires & breadboard
• Appliances (LEDs or low-power devices for testing)
• USB cables for Arduino and NodeMCU

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🎯 Goals

• Learn IoT-based home automation
• Control appliances remotely using Blynk app buttons
• Integrate Arduino Uno with NodeMCU for smart projects
• Create a foundation for more advanced smart home systems

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📌 Future Improvements

• Add sensor-based automation (motion, temperature)
• Add voice control using Google Assistant or Alexa
• Expand to more appliances or rooms using additional relays