Welcome to the foundational module on C programming! Here, you'll master the essential C language basics needed for Arduino projects. We'll cover syntax, variables, operators, conditionals, loops, and functions. By the end, you'll confidently write basic C code. This module is your crucial first step in bringing your digital device ideas to life with Arduino.

Unlock the power of Arduino sketches! This module guides you through the structure of an Arduino program, from compilation to upload. You'll explore the Arduino IDE's role in the build process and master the `setup()` and `loop()` functions. Learn how to access Arduino pins directly from your code, enabling you to control physical components and build your own digital devices.

Ready to tackle challenges? This module introduces essential debugging techniques for embedded software on Arduino. You'll learn about controllability and observability, and how to leverage the UART communication protocol and Serial library for effective debugging. Master these skills to ensure your Arduino projects run flawlessly and reliably.