Sensors in iPhones

Hi All,

Today I would like to share info about various sensors used in iPhones. The list may increase with time.

So here we go..

Accelerometer: Measures force of acceleration caused by any movement

• Informs about the device Orientation.
• Captures all the values of X, Y, Z axis.
• Used in Gaming.
• Available from iPhone 2G.

Gyroscope: Captures earth gravity to calculate the orientation

• Informs about rate and angle of Rotation.
• Used in Virtual reality.
• Used in 360-degree rotation of images and videos.
• Available from iPhone 4.

Finger Print Sensor: Using a capacitive touch to capture User's Finger Print

• The Users finger can be oriented in any direction and it will be able to read.
• Used for secure login.
• Available from iPhone 5S.

Proximity Sensor: Detects how close is the screen to the user's body

• Used to informs device that phone is held near ears for calling purpose so turn off the light.
• Used to avoid accidental touch on screens.
• Available from iPhone 2G.

Barometer: Captures altitude and elevation changes

• Measures air pressure and temperature.
• Used in Weather App.
• Available from iPhone 6.

Magnetometer: Captures strength of the magnetic around the device

• Used in Compass.
• Available from iPhone 3GS.

Ambient Light Sensor: Adjusts the brightness of the screen depending on the amount of light its exposed to

• Used to Conserve battery.
• Used to avoid harmful effects of light on eyes.
• Available from iPhone 2G.

Hope its helpful!!!