> For the complete documentation index, see [llms.txt](https://kaleb-is-caleb.gitbook.io/infosys/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kaleb-is-caleb.gitbook.io/infosys/sensor-and-query/introductions.md).

# Introductions

Many Android-powered devices include built-in sensors that measure 

* motion
* orientation
* environmental conditions such as ambient light or temperature

With all these sensors, what we will be learn today is how to access these sensors as well as obtain their values so that we can put them to use