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Introduction to Arduino

Learn how to use Arduino to build cool projects

What is Arduino?

  • Arduino is a tool for controlling electronic devices with code
  • It uses a microcontroller to read inputs and control outputs
  • Inputs are devices that gather information, like sensors
  • Outputs are devices that have some action in the world, like motors and LEDs

Getting Started with Arduino

  • You will need: Arduino hardware, Arduino IDE, Arduino code
  • Arduino hardware is the physical component, like an Arduino board
  • Arduino IDE is the software used to write the code
  • Arduino code is written in C and C++ programming languages

Choosing an Arduino Board

  • Arduino Uno Rev 3 is recommended for beginners
  • Other Arduino boards may also work fine
  • Arduino boards are open source, allowing for compatibility with Arduino IDE
  • The Arduino Uno has widespread support and a standard layout

Installing the Arduino IDE

  • Download the Arduino IDE from the official website
  • Install the IDE on your computer
  • Open the IDE and set up your sketchbook location
  • Use the IDE to write and upload code to your Arduino board

Writing Your First Arduino Sketch

  • Every Arduino sketch has a setup() and loop() function
  • The setup() function runs once at the start of the program
  • The loop() function runs repeatedly
  • You can upload your sketch to the Arduino board using the IDE

Using Variables in Arduino

  • Variables allow you to store and manipulate data
  • You need four things to create a variable: type, name, assignment operator (=), and value
  • Variables can be used to store sensor readings, control outputs, and more
  • Variables are essential for creating complex logic in Arduino programs

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