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    STEP - 9   Click on Start the simulator button to run the program.

                     Output

                     When the program runs,  the
                     Micro:bit plays the ringtone sound
                     continuously  through the  buzzer.

                     At the same time, the LED display
                     keeps changing between two icons
                     every  second.  This  shows  how the

                     Micro:bit can control output devices
                     like  buzzers and LEDs together
                     to  make  interactive  and creative

                     projects.

                     You  can also add  more blocks  to
                     make the ringtone play a set number

                     of times or trigger it when a button is pressed, depending on your preference.

                                                           CHALLENGE CHAIN
                      You are working on a project using a micro:bit and want to add sound to it. You decide
                      to attach a speaker. Which pins will you use to connect the speaker to the micro:bit?

                                                                              Micro:Bit and the World Around Us
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