6. case 04:Timer

6.1. Our Goal

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• Use our watch kit to create a wearable timer.

6.2. Material

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• 1 x Watch kit

6.3. Hardware Connection

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Assemble our watch kit directly just like the picture below.

6.4. Software

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Microsoft Makecode

6.5. Programming

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Step 1

• When start our program, create a variable flag and set its value to 0. When button A is pressed, delay time for 5 second. When button B is pressed, set the value of variable flag to 1.

Step 2

• Create a forever loop and place an if statement under it. When the variable flag equals to 1, then activate the function.

• Set time delay and play the built-in music nyan for once. Then set the variable flag to 0.

Program

• Link of the whole program: https://makecode.microbit.org/_35iVK1WVe8ms

• You can also download the program from the page below.

6.6. Result

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• The watch can keep time precisely and play music.

6.7. Think

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6.8. FAQ

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6.9. Relative Readings

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