IoT Foundations: Hardware, Software, and Arduino Programming

The Internet of Things (IoT) is transforming how we interact with everyday objects, bridging the gap between the physical and digital worlds. Understanding how hardware components communicate with software is the essential first step to building your own smart devices. This text-based course guides you through the foundational concepts of IoT, from identifying microcontrollers and sensors to writing your first lines of Arduino code. You will gain a clear understanding of how data flows from physical sensors through software layers and into the cloud, preparing you to design and troubleshoot basic IoT systems. What you'll learn: Understand core IoT terminology, architecture, and the relationship between hardware and software; Identify key physical components including microcontrollers, sensors, actuators, and communication modules; Write and debug Arduino programming code to control hardware outputs based on sensor inputs; Explore essential communication protocols such as MQTT and HTTP for data transmission; Apply basic security principles to protect connected devices from common vulnerabilities. The course starts with essential terminology and structural overviews before moving into step-by-step programming guides and hardware integration concepts. You will read detailed explanations, analyze code snippets, and work through written exercises designed to reinforce your learning. This course is designed for absolute beginners with no prior experience in hardware engineering, electronics, or programming. Start your journey into the world of smart technology and begin building your IoT knowledge today.