12. SCase 09: Countdown¶

12.1. Purpose¶

Use the Smart Coding Kit to create a countdown machine.

12.2. Products Link¶

1 x ELECFREAKS micro:bit Smart Coding Watch Kit

../../_images/smart_coding_kit_case_09_01.png

12.3. Software¶

MicroSoftmakecode

12.4. Programming¶

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.

../../_images/smart_coding_kit_case_09_02.png

Link¶

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

You can also download it direcly below:

12.5. Result¶

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