11. SCase 09: Countdown

11.1. Purpose

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• Use the Smart Coding Kit to create a countdown machine.

11.2. Material

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• 1 x smart coding kit

11.3. Software

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MicroSoftmakecode

11.4. Programming

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• Show the icon while on start and set the variable i as 9.

• While button A being pressed, set the variable i as 9.

• While button B being pressed, start the countdown and display the icon when it comes to 0.

  

Link

• Link：https://makecode.microbit.org/_e5CWK5DbUaqY

• You can also download it direcly below:

11.5. Result

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• Show the icon while on start

• While button A being pressed, the number 9 displays on the micro:bit

• While button B being pressed, the countdown starts and number 0 displays on the micro:bit

11.6. Exploration

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11.7. FAQ

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11.8. Relevant File

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