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Video 4: Variables, Data Types, and Constants

This tutorial dives into the essentials of using variables, data types, constants, and preprocessor directives in Arduino programming, demonstrated through a traffic light simulation.

  • Variables in Arduino: Demonstrates how to use variables for dynamic programming in Arduino.

  • Data Types: Explains various data types like int, float, double, char, bool, and their memory usage.

  • Efficient Memory Usage: Highlights the significance of selecting appropriate data types for efficient memory management in microcontrollers.

  • const and #define: Discusses the use of constants and preprocessor directives for creating fixed values in code.

  • Traffic Light Simulation: Guides through building and programming a traffic light simulation to apply these concepts.

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