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Cool Light Level Alarm

MoonCampaign by Vidheesh (9 years)

For my project, I created a Cool Light Level Alarm using the Micro:bit. I used comparison operators, conditions, and the music library to program it. When the light level changes, the Micro:bit displays values and plays a ringtone sound like an alarm. This project taught me how coding, sensors, and sound can work together.

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All about Vidheesh project

I created something called the Cool Light Level Alarm using the Micro:bit. The idea of my project is simple but powerful—it reacts to changes in light. I used the equality comparison operator and conditions in my code. When the Micro:bit detects a light level higher than a set value, it triggers an alarm sound. I imported the music library and chose the “ringtone” sound because it closely resembles a real alarm. The Micro:bit also displays the light level on its LED screen, so you can both see and hear the response.

The project was interesting because it combines multiple features—light sensing, logic conditions, and sound output. By experimenting with thresholds, I learned how to control when the alarm is triggered. This could be useful in real life, for example, as a security alarm or a reminder system when light levels change.

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