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UV Radiation Detector

MoonCampaign by Yashneil (14 years)

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UV Radiation Detector
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UV Radiation Detector

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Yashneil

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About the Innovator

My project is called UV Radiation Detector. It uses a Micro:bit, an RGB LED, and a light sensor to detect how strong the sunlight (UV radiation) is. Based on the amount of sunlight, the LED changes colorsgreen for good, yellow for moderate, and red for danger. This helps you know when its safe to be outside and when to find shade. I also added a buzzer to alert you when the radiation level is very high. I built this to protect peopleespecially in summerby warning them about harmful UV rays before going out into the sun.

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STORY

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Introducing my project, the UV Radiation Detector! I made this project using a Micro:bit, an RGB LED, and a light sensor. The idea came from real-life situations where the sun is too hot, and I wished I had a warning before stepping outside. With this device, you can check the sunlight level instantly and decide whether its safe to go out. Heres how it works: The light sensor on the Micro:bit measures the intensity of light (which represents UV radiation). If the light level is low, the LED turns green, showing that its safe outside. If the light level is medium, the LED turns yellow, which means you need to be careful. If the light level is very high, the LED turns red, and a buzzer sounds to warn you. That means: Stay inside or wear sunscreen! To create the yellow color, I combined red and green lights on the RGB LED. The red light and buzzer are triggered together during high radiation to give both a visual and sound alert. I also learned a cool tricksince the RGB only uses two pins (red and green), I connected the buzzer to the unused blue pin space, which saved resources. What makes this project special is that it's simple, helpful, and fun. I loved building it and sharing it because I believe it can help people stay safe from harmful UV rays during summer.
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Every child is gifted. Discover how yours can innovate and lead

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