Seeed Studio Studio Grove BMA456 Step Counter Module - I2C Interface, ±2g/±4g/±8g/±16g Range

Name: Seeed Studio Studio Grove BMA456 Step Counter Module - I2C Interface, ±2g/±4g/±8g/±16g Range
Brand: Seeed Studio
SKU: SENS-2807
Price: 1129.00 INR
Availability: OutOfStock

₹1,129.00 (Inclusive of all taxes)

Out of Stock

The Seeed Studio Studio Grove BMA456 Step Counter Module integrates Bosch’s BMA456 MEMS accelerometer into a plug-and-play Grove interface, providing precise triaxial acceleration data (±2g to ±16g) and a dedicated pedometer algorithm for wearable and IoT applications compatible with Arduino, Raspberry Pi, and other 3.3V/5V logic systems.

Features

Bosch BMA456 MEMS accelerometer with configurable full-scale range (±2g, ±4g, ±8g, ±16g).
Integrated step-counting algorithm for reliable fitness and activity tracking.
Ultra-low-power operation with on-chip FIFO and interrupt for efficient power management.
Standard Grove I2C interface (address 0x19 default, 0x18 optional) for easy system integration.
Compact 40 x 20 x 10 mm module format with plug-and-play connectivity.

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Description

The Grove BMA456 Step Counter Module is a high-performance, low-g acceleration sensor module designed for motion detection and activity monitoring. It leverages the Bosch BMA456 accelerometer, a triaxial MEMS sensor known for its precision and stability, and incorporates Bosch’s proprietary algorithm to deliver accurate step counting directly on the module. This eliminates the need for complex software processing on the host microcontroller.

Engineered for wearable and portable electronics, the module operates from 3.3V to 5V DC, features an on-chip FIFO buffer for data management, and includes programmable interrupt functionality for event-driven designs. Its Grove connector system ensures rapid prototyping and integration with a wide range of development platforms, including Arduino, Raspberry Pi, and ESP32-based systems.

Key Features

High-performance Bosch BMA456 triaxial accelerometer core.
Selectable acceleration ranges (±2g, ±4g, ±8g, ±16g) for application-specific sensitivity.
On-chip step detection algorithm provides reliable pedometer functionality.
Ultra-low-power design ideal for battery-operated wearable devices.
Integrated FIFO buffer and programmable interrupts reduce host processor load.
Standard Grove I2C interface simplifies wiring and communication.
Compact, durable PCB construction optimized for embedded applications.
Wide operating voltage range (3.3V to 5V) ensures compatibility with common logic levels.

Applications

Wearable fitness trackers and smartwatch step counting.
IoT activity monitoring for health and wellness devices.
Motion-activated user interfaces and gesture control systems.
Power management triggers for display on/off in portable electronics.
Tilt compensation and orientation sensing in navigation equipment.

Technical Specifications

Key	Value
Manufacturer / Brand	Seeed Studio Studio
Model / Core	Grove BMA456 Step Counter Module
Operating Voltage	3.3V to 5V DC
Acceleration Range	±2g, ±4g, ±8g, ±16g (Configurable)
Communication Interface	I2C (Grove)
I2C Address	0x19 (Default), 0x18 (Optional)
On-chip Features	FIFO, Programmable Interrupt
Primary Function	Acceleration Sensing & Step Counting
Dimensions (L x W x H)	40 mm x 20 mm x 10 mm
Gross Weight	9 g

Frequently Asked Questions

What is the operating voltage range for the Grove BMA456 module?

The module is designed to operate from 3.3V to 5V DC, making it directly compatible with most microcontroller platforms like Arduino (5V) and Raspberry Pi/ESP32 (3.3V) without requiring a level shifter.

How do I change the I2C address or communicate with the sensor?

The default I2C address is 0x19, with an optional address of 0x18 selectable via hardware configuration. Communication is through the standard Grove I2C connector using SDA and SCL lines. Libraries from Seeed Studio Studio or Bosch simplify data reading and configuration.

Does this module provide raw acceleration data or just step counts?

The BMA456 sensor provides raw, high-resolution triaxial acceleration data across configurable ranges (±2g to ±16g). Additionally, the on-chip processor runs Bosch's proprietary algorithm to output processed step-count information, reducing host MCU computational load.

Is this sensor suitable for battery-powered wearable projects?

Yes. The BMA456 is renowned for its ultra-low-power characteristics. Combined with programmable interrupts and a FIFO buffer that allows the host MCU to sleep between readings, it is ideally suited for power-constrained wearable and portable activity trackers.