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    DESIGNING A LIGHT WITH A SWITCH                                                                                           ARDUINO

                      You can create a simple light circuit with a switch by opening a new circuit window in Tinkercad                          Arduino is a small electronic board that can follow instructions to control things like lights,
                      and adding components like a 9V battery, switch and light bulb.                                                           motors, sensors and more. It is like a tiny computer that helps you build smart devices. You
                      To design a light with a switch, follow the given steps:                                                                  write code and the Arduino board reads it and makes things happen—like turning on a light or
                                                                                                                                                moving a robot.
                       Step  1    Click on the Project Name and rename your project (LIGHT WITH SWITCH).
                                                                                                                                                The following are the types of Arduino boards:
                       Step  2     Connect the positive terminal of the 9V battery to the left leg of the switch using a
                                  red wire.                                                                                                          Arduino Uno: Arduino Uno is the most popular and beginner-friendly
                       Step  3    Connect this left leg of the switch to one leg of the bulb using a green wire.                                    board.  It is easy  to  use and perfect  for  simple  projects  like  blinking

                       Step  4     Connect the negative terminal of the 9V battery to the middle leg of the switch using                            LEDs, sounding buzzers or building a basic circuit. Most students start
                                  a black wire.                                                                                                     learning Arduino with this board.

                       Step  5    Connect the free leg of the switch to the free leg of the bulb using an orange wire.
                                                                                                                                                                                  Arduino  Nano:  Arduino  Nano  is  a  smaller version  of  the  Uno.
                       Step  6    Click on the Start Simulation button to test the circuit.                                                                                      It works the same way but is tiny, which makes it perfect for small

                                                                                                                                                                                 or portable projects. It can also fit on a breadboard, which helps
                                                                                                A typical value for LED                                                          in building neat and compact circuits.
                                                                                                circuits is 220Ω or 330Ω.

                                                                                       SHORT SIGN                                                    Arduino Mega: Arduino Mega is larger and more powerful than Uno.
                                                                                                                                                    It has more memory and more pins, which means you can connect
                                                                                         To Start/stop                                              many sensors, motors or displays at once. It is often used in bigger
                                                                                     simulation: Spacebar                                           projects like robots or home automation systems.

                                                                                                                                                                          Arduino Leonardo: Arduino Leonardo is special because it can act like a
                      Once you turn on the switch, the circuit will be complete and the bulb will                                                                        computer keyboard or mouse. This means you can use it to build devices

                      light up.                                                                                                                                          that control your computer with buttons or sensors, like making your own
                                                                                                                                                                         game controller.
                      The output  shows the  bulb  lighting  up,  indicating  that  the  circuit  is
                      correctly connected and functioning as expected.
                                                                                                                                                     Arduino  LilyPad: Arduino  LilyPad  is  a  round  and  soft  board  designed
                                                                                                                                                    especially for wearable projects. You can sew it onto clothes and connect it
                             MICROCONTROLLER                                                                                                        with special thread instead of wires. It is perfect for making smart clothing,
                                                                                                                                                    light-up costumes or wearable gadgets.
                      A microcontroller is a small, programmable chip that functions as the                                                     In Tinkercad, Arduino is a virtual version of the real Arduino board. It allows you to build and test
                      brain of an electronic device. It contains a processor, memory and pins
                      that allow it to connect to other components in a circuit. By following                                                   your electronic projects on a computer screen, without using real wires or parts.
                      instructions written in code, it can control various things, such as lights,
                      motors and sensors. This makes the microcontroller an essential part                                                             COMPONENTS OF ARDUINO UNO
                      of many electronics  projects.  Microcontrollers  are used  in everyday
                      objects like robots, smart devices and home appliances to help them                                                       The Arduino Uno is a versatile board that controls devices, reads sensor data, provides power
                      work automatically, making tasks easier and more efficient.                                                               and enables interaction through input and output connections.

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