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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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