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STEVAL-MKI172V1

STEVAL-MKI172V1

STMicroelectronics
LSM303AGR Accelerometer, Magnetometer Sensor Professional MEMS Tool Platform Evaluation Expansion Board
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Overview

The STEVAL-MKI172V1 is an adapter board designed to facilitate the evaluation of the LSM303AGR, a high-performance 3D digital linear acceleration and 3D digital magnetic sensor. This expansion board provides the necessary decoupling capacitors and is compatible with the STMicroelectronics Professional MEMS Tool platform, including the STEVAL-MKI109V3 motherboard.

Why Choose This Part

The board offers a wide dynamic magnetic range of plus or minus 50 gauss and 16-bit data output for high precision. It supports a low power consumption mode of 3.7 microamps at 1 Hz ODR, making it suitable for battery-operated IoT devices.

Applications

Tilt-Compensated Compass
Combining the 3-axis accelerometer and 3-axis magnetometer for accurate orientation sensing in handheld devices.
Pedometer and Step Counting
Leverages high-resolution acceleration sensing and selectable power modes for low-power wearable health trackers.
Motion-Activated Functions
Utilizes programmable interrupt generators for free-fall, motion detection, and click/double-click recognition.
Vibration Monitoring
Uses the selectable full-scale acceleration ranges up to plus or minus 16g to monitor industrial machinery health.

Key Specifications

Type Sensor
Contents Board(s)
Function Accelerometer, Magnetometer
Platform Professional MEMS Tool
Utilized IC / Part LSM303AGR

Getting Started

Plug the adapter into a STEVAL-MKI109V3 motherboard to interface with the Unico-GUI software for sensor configuration and data logging. For custom integration, the board uses a standard DIL 24 socket footprint with an I2C/SPI interface compatible with STM32Cube expansion software.

Also Consider

STEVAL-MKI179V1 STMicroelectronics - Evaluation board for the LIS2DW12, suitable if only high-performance ultra-low-power acceleration sensing is required without the magnetometer.
STEVAL-MKI182V2 STMicroelectronics - Features the ISM303DAC, which is an automotive-grade equivalent providing similar eCompass functionality with higher temperature stability.