QMI8658 sixaxis inertial measurement unit module for motion posture detection Key benefits Accurate motion posture sensing: built around the QMI8658 sixaxis IMU with 3axis accelerometer and 3axis gyroscope to detect movement and posture changes. Ample onboard and external memory: builtin 512 KB ROM and 384 KB ROM, plus 2 MB PSRAM and external 16 MB memory for sensor data buffering and application storage. Integrated wireless connectivity: supports 2.4 GHz WiFi (802.11 b/g) and Bluetooth 5 (LE) with an onboard antenna for reliable wireless communication. Simple and robust connection: TypeC interface provides a reversible and easytoconnect USBC power/communication option. Clear status display: onboard 1.28inch circular IPS LCD screen with 240x240 resolution and 65K color for quick information at a glance. Compact, selfcontained module: designed to deliver essential sensing, processing, and connectivity in a single package. Specifications and features Inertial sensing: QMI8658 sixaxis IMU (3axis accelerometer and 3axis gyroscope) for motion tracking and posture detection. Memory configuration: builtin 512 KB ROM and 384 KB ROM, stacked with 2 MB PSRAM and external 16 MB memory. Wireless connectivity: 2.4 GHz WiFi (802.11 b/g) and Bluetooth 5 (LE) with onboard antenna. Interface: TypeC interface for power and data, with orientationindependent connection. Display: 1.28inch LCD screen, circular IPS panel, 240x240 resolution, 65K colors. Use scenarios Wearable and motiontracking devices: use the IMU for posture analysis, activity monitoring, and gesturebased control in health and industrial applications. Compact controllers for AR/VR or drones: leverage precise motion sensing plus wireless connectivity to enable responsive gesture control and remote operation. Embedded humanmachine interfaces: integrate the module into compact devices requiring local display feedback and wireless data exchange for status updates and control. This description preserves the original brand, specifications, models, and functions while presenting a clear, practical overview for customers.