9. Case 07: Wireless Communication

9.1. Purpose

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• Use the Smart Coding Kit to send signals.

9.2. Materials

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• 2 x smart coding kits

9.3. Software

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MicroSoftmakecode

9.4. Programming

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Step 1

• Sending end

• Show icon

• Set the wireless group

• Send number 1 when button A being pressed

• Send number 2 when button B being pressed

  

Step 2

• Receiving end

• Show icon

• Set the wireless group

• Save the received number as variable i

• Judge the received number and display the icon accordingly.

  

Link

• Sending end

• Link：https://makecode.microbit.org/_ix81uXcAULqW

• You can also download it direcly below:

- Receiving end

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

• You can also download it direcly below:

9.5. Result

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• While button A or B in the sending end being pressed, an icon of √ or × displays on the receiving end.

9.6. Exploration

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9.7. FAQ

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9.8. Relevant File

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