The greenhouse doll is an environmental monitoring instrument. Greenhouse dolls can monitor environmental information such as air temperature, air humidity, dew point temperature, soil temperature, and light intensity in the greenhouse in real time. The measurement information is displayed visually on the LCD screen of the greenhouse doll. At the same time, according to the appropriate conditions set by the user, it can be judged whether the current environmental factors meet the current growth stage of the crop planted by the user, and the measured environmental parameter values ​​and the management crops are voiced. The method and the working status of the instrument itself are notified to the user.
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