Wit Motion (Shenzhen) WT61 is a cost-effective 3-D attitude measurement system based on MEMS technology, integrating a 3-axis gyroscope and 3-axis accelerometer. Its proprietary Kalman-filter sensor-fusion algorithm outputs temperature-compensated 3-axis attitude angles at up to 100 Hz in real time. Accelerometer ±16 g range with 0.0005 g/LSB resolution and 0.75~1 mg RMS noise at 100 Hz bandwidth; gyro ±2000 °/s with 0.05 °/s RMS noise; 0.2° roll/pitch accuracy and 0.5° static heading accuracy (6-axis algorithm). The module ships with a metal shield case for good EMI immunity and easy mounting, making it one of the most popular entry-level IMUs for humanoid robots, robot dogs, AGVs, gimbals and education.
COMPONENT
Wit Motion (Shenzhen) WT901 is its classic 9-axis attitude module combining a 3-axis accelerometer, 3-axis gyro and 3-axis magnetometer, using MEMS sensing with proprietary Kalman-filter sensor fusion to output angles, rates, acceleration, magnetic field and quaternions at up to 200 Hz. Accelerometer ±16 g range with 0.0005 g/LSB resolution and 0.75~1 mg RMS noise at 100 Hz bandwidth; gyro ±2000 °/s with 2.24 °/h bias instability (Allan variance) and 3.19 °/h zero-bias stability; 0.2° tilt accuracy and 0.1° heading accuracy without magnetic interference; default UART 115200 bps, -40 to +85 °C operation. Compact and affordable, it is widely used for attitude estimation and motion control in humanoid robots, robot dogs, drones and research.
