April 2020
Intermediate to advanced
224 pages
6h 2m
English
Like all normal adults, I have a treasure box full of valuables in my room. I need an alarm to keep my treasure safe, but all my previous alarms won’t work.
My treasure box is so full that the lid won’t close. This means that I can’t use the tinfoil alarm or the brightness alarm. My treasure box is also really heavy. No one is going to move it. A thief is just going to open the lid and take my treasure. I can’t use the compass alarm.
What I can use is a movement alarm. If the lid is lifted up, it can be sensed and set off an alarm.
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I’ve taped my micro:bit inside the treasure box lid so ...