B-L475E-IOT01A开发板用户手册,非常详尽，附有10多页的完整原理图，每个模块功能介绍很详细，不错的学习资料UM2153
Contents
7.12.2 Capacitive digital sensor for relative humidity and
temperature(HTS221)
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7. 12.3 High-performance 3-axis magnetometer(LIS3MDL
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7. 12. 4 3D accelerometer and 3D gyro
