Answer
Mar 27, 2025 - 10:26 AM
A temperature and humidity sensor works by using different sensing elements to measure the respective environmental conditions. For temperature, it typically uses a thermistor or a semiconductor device that changes resistance or voltage in response to temperature changes. For humidity, it often employs a capacitive or resistive sensor that detects changes in electrical properties as moisture levels in the air vary, allowing the sensor to provide corresponding digital or analog outputs.
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