BMP280 sensor, an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI!
Typical application :
Enhancement of GPS navigation, e.g.time-to-first-fix improvement?dead-reckoning?slope detection.
Indoor navigation?floor detection?elevator detection).
Outdoor navigation, leisure and sports applications.
Health care application?e.g. sirometry).
Vertical velocity indication?e.g. risk/sink speed).
Handsets such as mobile phones ,table PCs,GPS devices.
Portable health caredevices.
Home weather stations.