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CM2302 is a temperature and humidity composite sensor. It uses dedicated digital acquisition technology and temperature and humidity sensing technology to ensure high reliability and excellent long-term stability. The sensor includes a capacitive wet sensor and a high-precision NTC temperature sensor connected to a high-performance 8-bit microcontroller to ensure the excellent quality of the product, rapid response, anti-interference capability and cost efficiency. Each sensor is calibrated in a highly accurate moisture calibration room.Compared to the DHT11, this sensor is more accurate, accurate, and works in a wider temperature range / humidity range, but is larger and more expensive.This text is machine translated.