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可在安卓獲取Universal Smart Controller的歷史版本
通用智能控制器
The RYNAN® Universal Smart Controller is an economical, modern, portable meter that able to measures multiple factor of enviroment such as: Water temperature, soid temperature, soid humidity, water level, salinity, pH,… The meter operation is simplified with single button, this button used to navigate the values of sensors which displayed on the LCD.