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The SparkFun 9DoF Sensor Stick is an easy-to-use 9 Degrees of Freedom IMU. The Sensor Stick deftly utilizes the LSM9DS1 motion-sensing system-in-a-chip. It houses a 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer – nine degrees of freedom (9DoF) in a single IC!
The onboard LSM9DS1 is equipped with a digital interface, but even that is flexible. The biggest difference between the two boards, besides the slimmed down 0.9″x0.4″ footprint, is the number of broken-out pins, with the Sensor Stick featuring only four for quick setup and ease of use.
The LSM9DS1 is one of only a handful of ICs that can measure three key properties of movement – angular velocity, acceleration and heading – in a single IC. By measuring these three properties, you can gain a great deal of knowledge about an object’s movement and orientation. The LSM9DS1 measures each of these movement properties in three dimensions. That means it produces nine pieces of data: acceleration in x/y/z, angular rotation in x/y/z, and magnetic force in x/y/z.
Each sensor in the LSM9DS1 supports a wide spectrum of ranges: the accelerometer’s scale can be set to ± 2, 4, 8, or 16g, the gyroscope supports ± 245, 500, and 2000°/s, and the magnetometer has full-scale ranges of ± 4, 8, 12, or 16 gauss.
- 3 acceleration channels, 3 angular rate channels, 3 magnetic field channels
- ±2/±4/±8/±16g linear acceleration full scale
- ±4/±8/±12/±16 gauss magnetic full scale
- ±245/±500/±2000dps angular rate full scale
- I2C serial interface
- Operating Voltage: 3.3V