The L3G4200DTR is a low-power, three-axis angular rate sensor, able to provide unprecedented stablility of zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a digital interface (I2C/SPI).
Gyro Sensor:
Features
- 16 bit rate output data value.
- 8 bit temperature data value.
- Two digital output lines.
- Ultra stable over temperature and time.
- Gaming and virtual input devices.
- GPS navigation systems.
- Appliances and robotics.
Working
A gyro sensor is a device for measuring
or maintaining orientation, based on the principles of angular
momentum. Mechanically, a gyroscope is a spinning wheel or disc in which
the axle is free to assume any orientation. Although this orientation does not
remain fixed, it changes in response to an external torque much less
and in a different direction than it would without the large angular momentum
associated with the disc's high rate of spin and moment
of inertia. The device's orientation remains nearly fixed, regardless of
the mounting platform's motion, because mounting the device in a gimbal minimizes
external torque.
Gyroscopes based on
other operating principles also exist, such as the electronic,
microchip-packaged MEMS gyroscope devices found in consumer electronic
devices, solid-state ring lasers, fibre optic gyroscopes, and the extremely
sensitive quantum gyroscope.
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