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fixing broken path

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Peli de Halleux 2016-06-01 21:35:37 -07:00
parent 6fa316ff0e
commit d571ce85c1
1 changed files with 5 additions and 11 deletions
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docs/lessons/charting/challenge.md
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@ -2,7 +2,8 @@
### ~avatar avatar
Welcome! The activity will teach you how to use the acceleration of the 1st micro:bit and to visualize the acceleration on the 2nd micro:bit. Let's get started!
Welcome! The activity will teach you how to use the acceleration of the 1st micro:bit and to visualize the acceleration on the 2nd micro:bit.
Let's get started!
### ~
Let's measure `acceleration (mg)` and then `send number`. `Acceleration` is measured in **milli-gravities**, so a value of -1000 is equivalent to -1g or -9.81m/s^2. We will be able to get the acceleration value (g-force), in the specified "x" dimension. `Send number` will broadcast a number data packet to other micro:bits connected via radio.
@ -52,7 +53,7 @@ Notice that moving the micro:bit the farthest direction in the x direction will
NOTE: The colors of the charts reflect the color of the micro:bit simulator. In this instance, the micro:bits are blue and green. So the colors of the line graphs reflect the colors of the micro:bit
### ~
After running this simulatation several seconds by moving the micro:bit side to side in the x direction, you are ready to graph or chart the accceleration of the micro:bit. We want a printout of our acceleration on Excel. We will graph the fluctuating acceleration of the simulation experiment.
After running this simulation several seconds by moving the micro:bit side to side in the x direction, you are ready to graph or chart the accceleration of the micro:bit. We want a printout of our acceleration on Excel. We will graph the fluctuating acceleration of the simulation experiment.
![](/static/mb/acc2.png)
@ -67,15 +68,9 @@ Use the Recommended Charts command on the Insert tab to quickly create a chart t
* Click Insert > Recommended Charts.
![](/static/mb/chart1.png)
![](/static/mb/lessons/chart1.png)
* On the Recommended Charts tab, scroll through the list of chart types that Excel recommends for your data.
Click any chart type to see how your data will look in that format.
When you find the chart type that you want, click it, and then click OK. We want to select the chart called Line. A line chart is used to display trends over time. We will use the line chart because there are many data points over time.
Tip: If you don’t see a chart type that you want, click the All Charts tab to see all of the available chart types.
* On the Recommended Charts tab, scroll through the list of chart types that Excel recommends for your data. Pick the **scatter plot**.
![](/static/mb/chart_title.png)
@ -91,4 +86,3 @@ Have fun reviewing your simulation and analyze the acceleration by chart the Exc
* The first person and second person take turns tilting the micro:bit in the "x" direction while the other player charts the data on the micro:bit!
* Review and analyze the actual micro:bit device acceleration data on Excel
* Display acceleration with y or z using plot bar graph by changing acceleration from "x" to "y" or "z"