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Lie Detector

MoonCampaign by Anushvi (8 years)

My project is a Lie Detector made using a Micro:bit. The detector uses button A and the touch logo to test how many times you tap in a second. First, it checks your normal tapping speed. Then, it asks you to answer a question and tap again. If your tapping increases, the RGB LED turns red, showing you might be lying. If it stays the same, it shows green, meaning you're telling the truth. This works because when people lie, their pulse often speeds up. I had fun making it!

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All about Anushvi project

I created a fun and educational project called the Lie Detector using a Micro:bit, an RGB LED, and a little bit of smart thinking!

Here’s how it works: When the project starts, it first asks you to press button A and then tap the Micro:bit’s logo as fast as you can for one second. This helps the Micro:bit measure your “normal” tapping speed—like a calm heartbeat. It stores this count as your base pulse.

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