Devices / sensors

Sensor Viewer

Visualize gyroscope, accelerometer, and compass readings on supported mobile devices.

Click the button to start reading (iOS requires motion and orientation permission).

方向 DeviceOrientation

alpha · around the Z axis（0~360°）--

beta · around the X axis（-180~180°）--

gamma · around the Y axis（-90~90°）--

-- °

The phone model rotates with the device. The compass prefers iOS webkitCompassHeading and otherwise approximates 360 - alpha.

加速度 DeviceMotion

含重力 x / y / z（m/s²）-- / -- / --

Excluding gravity x / y / z（m/s²）-- / -- / --

Total acceleration magnitude |a|--

The bars show acceleration including gravity, in a -20 to 20 m/s² range. A flat device is close to 9.8 m/s².

Rotation rate rotationRate

alpha / beta / gamma（°/s）-- / -- / --

Gyroscope angular velocity is shown in a -360 to 360 °/s range; rotate the phone to see the bars move.

About Sensor Viewer

Visualize gyroscope, accelerometer, and compass readings on supported mobile devices. Processing happens locally in your browser, and the tool does not upload the entered content.

Privacy and compatibility

Results depend on browser capabilities and the supplied input. Review generated output before using it in production or formal documents.