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How does sensor values changes, like if u block sensor it increase and if u lift pressure decrease from last values
why is the altitude coming in negative
In order to calibrate the BMP280 to give correct relative altitude readings, you need to know the actual altitude at some point. Some other means to determine altitude must be used.Pressure sensors must be recalibrated very frequently.
How does sensor values changes, like if u block sensor it increase and if u lift pressure decrease from last values
why is the altitude coming in negative
In order to calibrate the BMP280 to give correct relative altitude readings, you need to know the actual altitude at some point. Some other means to determine altitude must be used.Pressure sensors must be recalibrated very frequently.