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Michael Elliot Braun
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docs/lessons/charting/acceleration-challenge.md
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docs/lessons/charting/acceleration-challenge.md
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# Charting Acceleration: Challenge
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### ~avatar avatar
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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!
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### ~
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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.
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```blocks
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radio.sendNumber(input.acceleration(Dimension.X));
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```
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### ~
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We want to display the acceleration forever. In order to do so, we need a `forever` loop. A forever loop will repeat code in the background forever.
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```blocks
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basic.forever(() => {
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radio.sendNumber(input.acceleration(Dimension.X));
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});
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```
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### ~
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We want to register code to run when a packet is received over radio. We can implement this code by adding `on data received`.
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```blocks
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basic.forever(() => {
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radio.sendNumber(input.acceleration(Dimension.X))
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})
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radio.onDataReceived(() => {
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})
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```
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### ~
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Finally, we want to chart the acceleration. So we must first implement `plot bar graph`. `Plot Bar Graph` will display a vertical bar graph based on the value and high value. In order to transfer the receive the number from the 1st micro:bit, we must implement `receive number` to constantly display a vertical bar graph based on the value. Remember, the value will equal to the micro:bit's acceleration in the "x" direction.
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```blocks
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basic.forever(() => {
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radio.sendNumber(input.acceleration(Dimension.X))
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})
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radio.onDataReceived(() => {
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led.plotBarGraph(radio.receiveNumber(), 1023)
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})
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```
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### ~
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Notice that moving the micro:bit the farthest direction in the x direction will be -1023 on the charting beneath the simulator. The second observation will be that the LEDs will be full brightness on the 2nd micro:bit. There is a single LED turned on with the 1st micro:bit. Additionally, the graphs will reflect 0 acceleation for the 1st micro:bit. In this scenario, if you are adjusting the acceleration in the simualator, you are also changing your chart that will be produced.
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### ~
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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
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### ~
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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.
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### ~
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Finally, you must open the Excel CSV file by clicking on the data.xls file that was downloaded to Downloads Folder.
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### ~
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Have fun reviewing your simulation and analyze the acceleration by chart the Excel data using Excel.
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* Connect the first micro:bit to your computer using your USB cable and run the charting script on it.
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* Connect the second micro:bit to your computer using your USB cable and run the charting script on it.
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* 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!
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* Review and analyze the actual micro:bit device acceleration data on Excel
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@ -1,4 +1,4 @@
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# charting acceleration
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# Charting Acceleration: Activity
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Measure the acceleration on the micro:bit in the "x" direction.
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@ -49,71 +49,3 @@ The final part of this experiment is opening and reviewing the data in the Excel
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* Connect a micro:bit to your computer using your USB cable; compile; and move the micro:bit in the "x" direction.
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* Review and analyze the actual micro:bit device data on Excel
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### ~avatar avatar
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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!
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### ~
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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.
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```blocks
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radio.sendNumber(input.acceleration(Dimension.X));
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```
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### ~
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We want to display the acceleration forever. In order to do so, we need a `forever` loop. A forever loop will repeat code in the background forever.
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```blocks
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basic.forever(() => {
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radio.sendNumber(input.acceleration(Dimension.X));
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});
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```
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### ~
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We want to register code to run when a packet is received over radio. We can implement this code by adding `on data received`.
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```blocks
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basic.forever(() => {
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radio.sendNumber(input.acceleration(Dimension.X))
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})
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radio.onDataReceived(() => {
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})
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```
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### ~
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Finally, we want to chart the acceleration. So we must first implement `plot bar graph`. `Plot Bar Graph` will display a vertical bar graph based on the value and high value. In order to transfer the receive the number from the 1st micro:bit, we must implement `receive number` to constantly display a vertical bar graph based on the value. Remember, the value will equal to the micro:bit's acceleration in the "x" direction.
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```blocks
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basic.forever(() => {
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radio.sendNumber(input.acceleration(Dimension.X))
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})
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radio.onDataReceived(() => {
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led.plotBarGraph(radio.receiveNumber(), 1023)
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})
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```
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### ~
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Notice that moving the micro:bit the farthest direction in the x direction will be -1023 on the charting beneath the simulator. The second observation will be that the LEDs will be full brightness on the 2nd micro:bit. There is a single LED turned on with the 1st micro:bit. Additionally, the graphs will reflect 0 acceleation for the 1st micro:bit. In this scenario, if you are adjusting the acceleration in the simualator, you are also changing your chart that will be produced.
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### ~
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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
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### ~
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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.
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### ~
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Finally, you must open the Excel CSV file by clicking on the data.xls file that was downloaded to Downloads Folder.
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### ~
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Have fun reviewing your simulation and analyze the acceleration by chart the Excel data using Excel.
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* Connect the first micro:bit to your computer using your USB cable and run the charting script on it.
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* Connect the second micro:bit to your computer using your USB cable and run the charting script on it.
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* 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!
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* Review and analyze the actual micro:bit device acceleration data on Excel
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@ -1,36 +0,0 @@
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# light level lesson
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Create a charting app for simulating and measuring the amount of light measured by the micro:bit
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## Topic
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Acceleration
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## Quick Links
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* [activity](/lessons/charting/activity)
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## Prior learning/place of lesson in scheme of work
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Learn the functions of **on data received**, **send number** and **receive number** and chart `plot bar graph` for `acceleration` in the "x" dimension.
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## Documentation
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```cards
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basic.showNumber(0)
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input.acceleration(Dimension.X)
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led.plotBarGraph(0, 1023)
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radio.onDataReceived(() => {})
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radio.sendNumber(0)
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radio.receiveNumber()
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```
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## Objectives
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* learn how to repeat code in the background forever
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* learn how to get the acceleration value (g-force), in one of three specified dimensions
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* learn how to display a vertical bar graph based on the value and high value.
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* learn how to register code to run when a packet is received over radio
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* learn how to broadcast a number data packet to other micro:bits connected via radio
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* learn how to read the next radio packet as a number data packet
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@ -1,36 +0,0 @@
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# charting lesson
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Measure the acceleration on the micro:bit in the "z" direction.
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## Topic
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Acceleration
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## Quick Links
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* [activity](/lessons/charting/activity)
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## Prior learning/place of lesson in scheme of work
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Learn the functions of **on data received**, **send number** and **receive number** and chart `plot bar graph` for `acceleration` in the "x" dimension.
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## Documentation
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```cards
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basic.showNumber(0)
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input.acceleration(Dimension.X)
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led.plotBarGraph(0, 1023)
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radio.onDataReceived(() => {})
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radio.sendNumber(0)
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radio.receiveNumber()
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```
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## Objectives
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* learn how to repeat code in the background forever
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* learn how to get the acceleration value (g-force), in one of three specified dimensions
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* learn how to display a vertical bar graph based on the value and high value.
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* learn how to register code to run when a packet is received over radio
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* learn how to broadcast a number data packet to other micro:bits connected via radio
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* learn how to read the next radio packet as a number data packet
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