Barometric pressure sensor tracks altitude in phones
BMP280 5V Digital Barometric Pressure Altitude Sensor I2C/SPI High Precision Pressure and Temperature Sensor Module: Amazon.com: Industrial & Scientific
I2C SPI BME280 3.3V Digital Barometric Pressure Altitude Sensor DC High Precision BME280 1.8 5V Atmospheric Module for arduino|module temperature|temperature digitalhumidity temperature - AliExpress