Feature list ：

1:When the blood oxygen concentration is low, the fatigue state of the driver is observed, and the driver fatigue warning is carried out;

2:using BT 4 BLE technology to transmit to the mobile terminal APP display;

3:A single infrared /LED sensor was used for touch data acquisition; the test data included blood oxygen concentration and heart rate;

4: Use CSR BT4.0 and TI front end processing ;

5: Design includes data sampling and core algorithm research;

6: BT BLE data transfer and warning ;

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More extensions to the Internet of Things and the Intelligent Internet of Things