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    Step 12  Connect the 1st pin of the second switch to the ground rail and the second pin to the third
                              pin of the RGB LED.

                     Step 13  Connect the first pin of the third switch to the ground rail and the second pin to the fourth
                              pin of the RGB LED.

                     Circuit Operation

                     When the switch is turned on, it completes the circuit, allowing electricity to flow to the RGB LED.
                     The  RGB LED emits  light,  and  by  adjusting  the  switch,  students  can  control  the  color  emitted,
                     creating different mood lighting effects. When the switch is turned off, the circuit is broken, and the
                     LED turns off.

                     Concepts

                       Properties of Light: Understanding how different colors of light combine to create new colors
                       through additive mixing.

                                                                   Hands-On Electronics with Breadboard-Based Kit  31

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