About This Project
Protect your cookies with an audible alarm. Open the official project page using the button above — it contains the complete step-by-step build guide, MakeCode starter file, and example code you can remix directly.
🔴 This project is hosted on microbit.org. Click the purple button above to open the full guide, starter code and MakeCode editor. Everything you need is on that page — follow the official instructions alongside this lesson summary.
What You Will Learn
- Play melodies and notes using the Music or Sound blocks
- Use buttons and touch inputs to trigger different sounds
- Send and receive messages between micro:bits using Radio
- Build multi-device interactive systems
- Read the built-in light sensor and respond to thresholds
How to Get Started
1. Click Open on micro:bit.org above to go to the official project page.
2. Read the project overview and check what hardware you need from the sidebar.
3. Open the MakeCode editor link on the project page — either use the starter code provided or start from scratch.
4. Build the project step by step, testing on your micro:bit as you go.
5. Once complete, try the extension challenges listed at the bottom of the official page.