3-Minute Demo Mission
π§ Build a Personal Alarm System
Your little brother keeps sneaking into your room. Can you build something that alerts you when your door opens?
Quick Win Progress
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Finish 3 tiny steps to unlock your starter badge.
Step 1 Β· Pick Parts
Choose at least 2 parts for your first prototype.
Step 2 Β· Explain Your Idea
In one short paragraph: who are you helping and how?
Step 3 Β· Write One Test Case
Describe what should happen in one real scenario.
In-Page Circuit Sandbox
Toggle the sensor to preview expected output behavior.
STANDBY
Learning Outcome Snapshot
β Prototype thinking (part selection)
β Problem framing (user + solution)
β Test mindset (expected behavior)
Complete all 3 steps to unlock your starter badge.