> For the complete documentation index, see [llms.txt](https://sharinghub-eng.kittenbot.hk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sharinghub-eng.kittenbot.hk/educational-kit-sets/weather-station-educational-kit/iot-weather-station-instructions/air-pressure-meter.md).

# Air Pressure Meter

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FIhpvcOQTdydY3ypQjxvf%2Fbarometer_robotbit.png?alt=media&#x26;token=b24940c8-c5e6-4036-8753-85e45417805a" alt=""><figcaption></figcaption></figure>

### Building Instructions

{% content-ref url="/pages/FKSyDlgjzg7OTSGREGTl" %}
[Barometer Instructions](/educational-kit-sets/weather-station-educational-kit/weather-station-building-instructions/barometer-instructions.md)
{% endcontent-ref %}

### Hardware Wiring Diagram

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F6uJvpXC43onNIIwhMlWo%2Fuploads%2FWb5pvt3t2objX2R8vahn%2Fbarometer_wiring_robotbit.png?alt=media&#x26;token=9fdecca6-ef27-4375-912f-8687df2e2d31" alt=""><figcaption></figcaption></figure>

### Sample Program

{% embed url="<https://makecode.microbit.org/_bct5HvCauDTU>" %}

#### Operating Instructions

1. Press A to display the Air Pressure data.
2. Press B to display the Altitude data.