After temperature and humidity calibration and temperature compensation is carried out, the module has the characteristics of high precision, low power consumption and ease of use, thus greatly reducing product development time. The module is suitable for products which require temperature and humidity measurements, such as dehumidifiers, air conditioners and IoT applications.

The BM25S2021-1 is supplied in a 4-pin package type, including the power supply pins. The module provides both an I2C and a 1-wire communication interfaces. With flexible pin connection selection, the product provides a Bluetooth display platform, allowing users to quickly understand the product characteristics.