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    Arduino allows you to connect sensors and control devices in your projects, but building physical
                      circuits can be challenging. With Tinkercad, you can easily simulate and test your Arduino circuits.
                      In this chapter, you’ll learn how to work with sensors, set up basic circuits and programme them
                      using Tinkercad.

                      ARDUINO

                      Arduino is a small, programmable circuit board that contains a microcontroller, essentially a tiny
                      computer. It is designed to be user-friendly, making it easy to create electronic projects. You can
                      connect it to sensors, motors, lights and other devices and then write simple programs to control
                      how these devices function.

                      Types of Arduino

                      There are several types of Arduino boards, each suited for different kinds of projects:

                          Arduino  Uno: The  Arduino  Uno is the most  popular board  for
                         beginners. It is simple to use and perfect for basic projects like blinking
                         LEDs, sounding buzzers or creating small circuits. Most students start
                         their Arduino journey with this board because it is easy to understand
                         and widely supported.

                                                               Arduino Nano: The Arduino Nano is a smaller, compact
                                                                version of the Uno. Despite its tiny size, it works in the
                                                                same  way and can fit directly  on a breadboard. This
                                                                makes it ideal for small or portable projects, helping to
                                                                create neat and compact circuits.

                         Arduino  Mega: The Arduino  Mega  is a larger  and more
                         powerful board compared to the Uno. It has extra memory
                         and more input/output pins, allowing it to connect multiple
                         sensors, motors or displays at the same time. It is often used
                         for bigger projects such as robots, home automation systems
                         or advanced electronics.

                                                  Arduino  Leonardo: The Arduino  Leonardo  has a special  feature—it
                                                  can act as a computer keyboard or mouse. This allows you to build
                                                  devices that interact with a computer directly, such as creating custom
                                                  game controllers or automated input devices.

                         Arduino LilyPad: The Arduino LilyPad is designed for wearable electronics.
                         It is round, flexible and can be sewn onto clothes. Using conductive thread
                         instead  of wires, it  is  perfect for projects  like  smart  clothing,  light-up
                         costumes or other wearable gadgets.

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