Grove - 3-Axis Digital Accelerometer ±16g Ultra-low Power (BMA400)

The Grove - 3-Axis Digital Accelerometer ±16g Ultra-low Power (BMA400) sensor is a 12-bit, digital, triaxial acceleration sensor with smart on-chip motion and position-triggered interrupt features. It can detect movement, such as Walking, Running, Standing still and more.

• Step Counting with ultra-low current consumption for extensive battery lifetime
• Fitness applications / Activity Tracking
• Tap / double tap sensing
• Drop detection for warranty logging
• Window/door measurements for climate control and alarm systems

• Dimensions: 40mm x 20mm x 7mm
• Acceleration range: ±2g, ±4g, ±8g, ±16g
• Ultra-low power consumption: 18uA @5V / 14uA @3.3V
• Sensitivity: 1024LSB/g @±2g / 512LSB/g @±4g / 256LSB/g @±8g / 128LSB/g @±16g
• Programmable functionality
• On-chip FIFO
• On-chip interrupt features:
• Auto-low power/Auto wakeup
• Activity/In-activity
• Step counter
• Activity Recognition(Walking, Running, Standing still)
• Orientation detection
• Tap/Double tap

• Wiki