Hi Pixel001,
We would like to confirm with you for the following information: 1. Did you follow the document(https://www.bosch-sensortec.com/media/boschsensortec/downloads/product_flyer/bst-bme688-fl001.pdf) and upgrade latest software to BME688 dev kit? 2. Can you take a screenshot of the files in the SD card? 3. You can use PC tools to open the COM port and view the startup information when BME688 dev kit is powered on.
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