Did you ever spend interest for the sensitivities of your smartphone?

Yes, your smartphone is sensible for a lot things going on outside of the hardcase.

Android is able to support a lot of sensors:

Light
Temperature
Pressure
Humidity
Proximity
Soundness

and the 3D - sensors like

Accelerometer
Gyroscope
Magnetic field
Orientation
Gravity

The Sensor tool shows you what happens behind the screen of your device.

It's done straight forward:

* select one of the sensors available on your phone
* a detailed view list all data known for your device about the sensor selected
* alive the raw data stream coming from the sensor in real time

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please supply your request for enhancements (suggestions) concerning

- embedding supply by providing external interface definition (INTENT)
- supporting sound (for thresholds e.g.)
- event trigger for external connections (e.g. TWITTER, EMAIL & co)
- logging to file or database
- graphical animation
- accuracy definition
- extension for control of actors connected to USB
- remote control triggereing IP- or bluetooth- connection