38 lines
1.1 KiB
Markdown
38 lines
1.1 KiB
Markdown
# charting lesson
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Create a charting app for simulating and measuring the acceleration applied to 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/acceleration)
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* [challenge](/lessons/charting/challenge)
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* [quiz](/lessons/charting/quiz)
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* [answers](/lessons/charting/quiz-answers)
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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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input.acceleration(Dimension.X)
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led.plotBarGraph(0, 1023)
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basic.showNumber(0)
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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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