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How long can you hold your breath for? Have a go at creating a digital stopwatch to compare your own time with your friends.
Visit the MicroBit website to see a breakdown tutorial of the code used to make this possible.
When you have finished your script, test it. You should demonstrate your working stopwatch to your teacher to show your progress.
Screenshot your working code and create a detailed write-up, explaining how it works, the function of the block-code and how you overcame any problems.