Description of product


The Grove - Step Counter(BMA456) is based on BMA456, which is an exetremely small, triaxial, low-g high performance accelerations module. Thanks to the special algorithm of BOSCH, we made this module a portable pedometer.

Relaiable, cost-effective, on top of that, it's very easy to use, you can easily add this plug and play module on your wearable devices.


  • On chip FIFO

  • Ultra-low power

  • On-chip interrupt

  • Programable functionality

Typical Application

  • Applications with height constrains

  • Plug and Play Step-Counter solution with watermark functionality

  • Fitness applications / Activity Tracking

  • Power management for wearable applications

  • Display on/off and profile switching

  • User interface without hardware buttons

  • E-compass tilt compensation and data synchronization

  • High performance angle measurements

Pin Out


Technical details

Dimensions 40mm x20mm x7mm
Weight G.W 9.2g
Battery Exclude
Operating Voltage 3.3V / 5V
Acceleration Range ±2g, ±4g, ±8g, ±16g
Sensitivity 16384 @±2g 8192 @±4g 4096 @±8g 2048 @±16g
Interface I2C
I2C Address 0x19(default) / 0x18(optional)

Part List

Grove - Step Counter(BMA456) 1
Grove Cable 1