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Measure reflected colour and teach a robot or sorting machine to distinguish objects using light.

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Build a temperature meter, compare simulation with hardware and understand how a sensor becomes a useful instrument.

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Measure temperature and relative humidity, then turn invisible air data into a live experiment.

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Use air pressure to estimate altitude and discover how the atmosphere changes as you move.

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Build a tiny weather station that notices raindrops and converts wetness into a clear digital signal.

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Compare dry and wet soil with a sensor and learn how data can help plants receive the right care.

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Read accurate digital temperature data from a waterproof-style probe and compare locations over time.

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Explore sound as vibration by measuring a microphone module’s output and creating a sound-activated response.

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