Hi,
Thanks for your inquiry.
It seems like a bug in BMP280 API source code on the Github. Please check if you are using the latest version.
In addition, you can use the attached "sample_calculation_BME280.xlsx" to manually input BMP280 parameters in the NVM and the raw data of temperature and pressure to calculate the final temperature and pressure. If the result from the Excel file is normal while the result from API code shows spikes like 1181.94hPa, then it means that the API has bug.
Thanks.
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