POLOLU-2470 AltIMU-10 v4 Gyro, Accelerometer, Compass, and Altimeter (L3GD20H, LSM303D, and LPS25H Carrier) The Pololu AltIMU-10 v4 is an inertial measurement unit (IMU) and altimeter that features the same L3GD20H gyro and LSM303D accelerometer and magnetometer as the MinIMU-9 v3, and adds an LPS25H digital barometer. An I²C interface accesses ten independent pressure, rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s altitude and absolute orientation. The board operates from 2.5 to 5.5 V and has a 0.1″ pin spacing. Specifications Dimensions 1.0″ × 0.5″ × 0.1″ (25 mm × 13 mm × 3 mm) Weight without header pins 0.8 g (0.03 oz) Operating voltage 2.5 V to 5.5 V Supply current 6 mA Output format (I²C) Gyro one 16-bit reading per axis Accelerometer one 16-bit reading per axis Magnetometer one 16-bit reading per axis Barometer 24-bit pressure reading (4096 LSb/mbar) Sensitivity range Gyro ±245, ±500, or ±2000°/s Accelerometer ±2, ±4, ±6, ±8, or ±16 g Magnetometer ±2, ±4, ±8, or ±12 gauss Barometer 260 mbar to 1260 mbar (26 kPa to 126 kPa)
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