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020102_TravelingLight.md

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Traveling light

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Objective

The goal is to make the LEDs accross the top row of the micro:bit light up one by one, starting on the left and going to the right, and once we get to the right most LED, start over on the left, forever.

Step by Step

  1. Start with a new project
  2. Lets start by creating an xindex variable
  3. Now lets add a for loop to our forever event brick. Configure it to use the xindex variable and leave the to set to '4'
  4. Now lets illuminate the first LED using the plot command from the LED toolbox category. Lets add it inside our for loop and set the x coordinate to our xindex variable.
  5. Now lets use the pause brick to leave the light on for 100 ms.
  6. Now lets turn off the LED using the unplot brick, dont forget to set the x coordinate like we did a moment ago.
  7. Now lets use the pause brick to leave the light on for 100 ms.

That is it our code should look like this and should be doing what we want.

Traveling Light