🚀 Getting Started with IoT: Your First IoT Project Explained

By Pappuraj | The Dev Lab

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What is IoT?

The Internet of Things (IoT) refers to a network of physical devices—like sensors, microcontrollers, home appliances—that communicate and share data over the internet. Imagine your fan turning on automatically when your room gets hot. That’s IoT in action!

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What You’ll Learn

• What IoT actually means in real life

• Components of an IoT system

• A simple project to get started

• Code, wiring, and explanation

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Components of an IoT System

1. Sensor – Captures data (e.g., temperature)

2. Microcontroller – Brains of the system (e.g., ESP32/NodeMCU)

3. Connectivity – WiFi, Bluetooth, etc.

4. Cloud or Server – Stores or analyzes data

5. User Interface – Mobile app, dashboard, or web

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🔧 Project: Temperature Logger with ESP32 + Firebase

What You Need

• ESP32 (or NodeMCU)

• DHT11 or DHT22 sensor (for temperature/humidity)

• Jumper wires + breadboard

• Firebase Realtime Database

• Arduino IDE

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Wiring

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