JY901 series module combines gyroscopes, accelerometers and geomagnetic field sensors in a single compact unit. It uses a ‑performance microprocessor and advanced dynamic computation with Kalman dynamic filtering to quickly determine motion posture. Key features and benefits Accurate realtime attitude and motion data Attitude solvers are integrated in the module and, with dynamic Kalman filtering, deliver precise outputs in dynamic environments Attitude measurement accuracy of 0.01 degrees with stability, outperforming many professional inclinometers Noise reduction and reliable measurement Advanced digital filtering effectively reduces measurement noise and improves overall accuracy Flexible digital interfaces for easy integration Supports both serial (UART) and I2C interfaces Serial port data rate adjustable from 2400 bps to 921600 bps I2C interface supports fullspeed mode up to 400 kHz Allinone sensor fusion Fusion of gyro, accel and geomagnetic data enables robust attitude and motion tracking in dynamic scenarios Interface and compatibility Serial (UART) and I2C digital interfaces provide flexible connection options to a wide range of microcontrollers and embedded processors Designed for reliable performance in embedded systems requiring precise orientation and motion information Performance highlights Realtime attitude solutions with Kalman dynamic filtering for stable outputs in motion measurement accuracy (0.01 degrees) and strong noise suppression Suitable for fastchanging environments and demanding applications Use scenarios Drone and unmanned vehicle navigation and stabilization Realtime attitude and motion data to support stable flight control, navigation and autonomous decisionmaking Robotic systems and motion control Precise pose tracking for robotic arms, mobile robots and autonomous platforms requiring accurate orientation in 3D space Handheld devices, wearables and AR/VR applications Accurate head and hand motion tracking for immersive experiences, ergonomic assessment and gesture recognition Notes The module integrates attitude solvers and Kalman filtering for dynamic environments Interfaces and data rates are provided to accommodate a range of host processors and bus configurations Maintains a professional, reliable performance profile suitable for industrial, robotics and consumer electronics applications