1. Tool download  [flash_download_tool](https://www.espressif.com/en/support/download/other-tools)


2. "GPS_reset.bin" ，Reset GPS, open serial port print (make sure this reset GPS firmware is running properly)

3. Set according to the picture 

    ![](./SETTING.png)

4. Burn "GPS_BsicNMEARead.bin"（Refer to the above burning) . Serial port monitor to view data