This page is primarily about the whole libraries we use.

1.    Driver for MPU9250

This Driver use SPI to configure MPU9250. Some information will show in terminal(PuTTY) by UART.
MPU9250 datasheet website


2.   EcoMini_9axisDataStream

Get 9-axis data from MPU-9250 and send it to a central device via BLE notification.