Seeed 101020072 Grove - Barometer Sensor Based On BMP180 I2C 3.3-5V

Balloon - A inflatable bag filled with a type of gas commonly helium, hydrogen or air

Normal - often relating to someone or something that is average.

Altitude - Something that can be quite high in relation to sea or ground level.

technical - Something that relates to a good level of skill and methods.

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