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Grove - Integrated Pressure Sensor Kit (MPX5700AP) is made for measuring pressure in the range of 15Kpa to 700Kpa, which is perfectly suitable for making your own Arduino air pressure measurement system.
This module is ideally suited for building your Arduino pressure measurement system. We include an injector and a rubber tube in this kit, with the help of the Grove analog connector and the Arduino Code we offered, all you need to do is plug and download, then just enjoy it.
[Wiki] Grove - Integrated Pressure Sensor Kit