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DF ROBOTFermion: BMI323 6DOF IMU Sensor (I2C, Breakout)
The BMI323 is a low-power, high-performance 6-axis IMU sensor with a 3-axis accelerometer and 3-axis gyroscope, communicating via the I2C interface. It provides comprehensive motion detection features like step counting, any-motion detection, and tilt detection. This sensor is perfect for wearables, smart watches, fitness trackers, and IoT applications that require high motion-sensing performance and energy efficiency. The BMI323's hardware-based motion detection algorithms operate without continuous MCU intervention, ensuring ultra-low power consumption. With configurable interrupt pins, it efficiently notifies the host system of motion events, making it ideal for battery-powered applications.
User Manual / Datasheet / Example Codes Etc.
Applications
- Wearable devices and fitness trackers
- Step counting and activity detection
- Robot tilt and movement feedback
- Compact drones and motion-control prototypes
- Battery-powered IoT motion nodes
- Smart home motion and vibration sensing
- Tap, tilt, free-fall, and orientation interaction
- Embedded sensor performance evaluation
- Arduino, ESP32, and Raspberry Pi motion-sensing projects
Specifications
- Basic Parameters
- Operating Voltage: DC 3.3 V
- Operating Current: 720 μA
- Low Power Current: 356 μA
- Communication Interface: I²C
- Connector Type: SH1.0-5P connector / 2.54 mm pin header holes
- I²C Addresses: 0x69 (default) / 0x68
- Programmable Interrupt Pins: ×2
- Accelerometer Parameters
- Accelerometer Measurement Ranges: ±2 g, ±4 g, ±8 g, ±16 g
- Accelerometer ADC Resolution: 16-bit
- Accelerometer Sensitivity
- ±2 g range: 16384 LSB/g
- ±4 g range: 8192 LSB/g
- ±8 g range: 4096 LSB/g
- ±16 g range: 2048 LSB/g
- Accelerometer Sensitivity Error: ±0.5%
- Accelerometer Zero-g Offset: ±50 mg
- Accelerometer Output Data Rate (ODR)
- High Performance / Normal mode: 12.5 Hz ~ 6400 Hz
- Low Power mode: 0.78125 Hz ~ 400 Hz
- Physical Dimensions
- PCB Size: 16 mm × 16 mm
- Mounting Hole Spacing: 11 mm
- Mounting Hole Diameter: 2 mm
Package Includes
- Fermion: BMI323 High-precision 6 DOF IMU Sensor
- SH1.0-5P Sensor Cable
- 2.54 mm Black Single Row Pin Header – 10-Pin
