13. Case 12: micro:bit Remote Control

13.1. Purpose

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• Programme to use the mciro:bit to control the TPBot.

13.2. Material

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• 1 x TPBot

13.3. Software

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MicroSoftmakecode

13.4. Programming

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• Click “Advanced” to see more choices in the MakeCode drawer.

• We need to add a package for programming. Click “Extensions” in the bottom of the drawer and search with “tpbot” in the dialogue box to download it.

##Sample

Remote Control Part

• Set the micro:bit showing a set icon and the radio group as 1.

• After pressing button A, radio send number 1; after pressing button B, radio send number 2; after pressing button A+B, radio send number 3.

Link

• Link: https://makecode.microbit.org/_DYDT9ibh9V1E

• You may also download it directly below:

--- ### Receiving Part - Set the micro:bit showing a set icon and the radio group as 1. - Save the received number as the variable. - Judge if the variable is 1, if yes, set the TPBot turning left at the speed of 30%; if the variable is 2, set the TPBot turning right at the speed of 30%; if the variable is 3, set the TPBot moving forward at the speed of 30%.

Link

• Link: https://makecode.microbit.org/_CAMF0t8rYT0j

• You may also download it directly below:

--- ## Conclusion ---

• Power up to show a set icon on the micro:bit, after pressing button A, it turns left; after pressing button B, it turns right; after pressing button A+B, it moves forward.

13.5. Exploration

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13.6. FAQ

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Q: The car does not work with the code in the wiki.
A: It should be the batteries that are lack of power, please try to fix it by adding the value of the speed in the code.

13.7. Relevant File

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