说明：  瑞士进口温湿度传感器，国内也有类似产品，但是老是测量不准，非标准I2C接口，数字信号，各种封装满足不同需求！SHTXX
(Swiss imports of temperature and humidity sensors, has a similar domestic products, but always allowed measurement, non-standard I2C interface, digital signal, a variety of packages to meet different needs!)