SparkFun LSM6DSO 6 Degrees of Freedom IMU Breakout - Qwiic Connector

Name: SparkFun LSM6DSO 6 Degrees of Freedom IMU Breakout - Qwiic Connector
Brand: SparkFun
SKU: SENS-2865
Price: 2029.00 INR
Availability: OutOfStock

₹2,029.00 (Inclusive of all taxes)

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The SparkFun LSM6DSO Qwiic breakout is a high-performance 6-DoF IMU (Inertial Measurement Unit) integrating a 3-axis accelerometer and 3-axis gyroscope, designed for easy integration with Arduino, Raspberry Pi, and other microcontrollers via the Qwiic (I2C) ecosystem. It features a large 9kB FIFO buffer and embedded processing functions for advanced motion detection.

Features

High-performance 6-DoF IMU: 3-axis accelerometer (±2/±4/±8/±16 g) and 3-axis gyroscope (±125 to ±2000 DPS).
Large 9kB Smart FIFO buffer for data logging and host sensor data management.
Embedded programmable Finite State Machine (FSM) and interrupt functions for motion detection.
Integrated 16-bit temperature sensor and advanced features like pedometer, step counter, and tilt detection.
Qwiic (I2C) interface for plug-and-play connectivity within the SparkFun ecosystem.

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Description

The LSM6DSO from STMicroelectronics is a MEMS-based inertial module offering high-accuracy motion sensing with data rates up to 6.66 kHz. Its integrated signal conditioning and digital output provide stable, low-noise measurements suitable for precise orientation tracking and dynamic motion analysis in embedded systems.

This breakout board simplifies access to the sensor’s advanced features, including its significant 9kB FIFO which allows for buffering of accelerometer, gyroscope, and external sensor data, reducing host processor load. The embedded programmable Finite State Machine enables configurable real-time motion detection algorithms like shock, tap, and significant motion recognition without constant MCU intervention.

Key Features

STMicroelectronics LSM6DSO MEMS core for reliable, industrial-grade motion sensing.
Ultra-low power operation with configurable high-performance and low-power modes.
Advanced embedded features: pedometer, step detector/counter, tilt detection, and free-fall recognition.
Robust Qwiic connector system ensures reliable I2C communication and daisy-chaining capability.
Wide operating voltage range (1.71V to 3.6V) compatible with 3.3V logic microcontrollers.
Extended operating temperature range (-40°C to +85°C) for demanding environmental applications.
Compact breakout design with required pull-up resistors and decoupling capacitors for stable operation.

Applications

Wearable device motion tracking and activity monitoring (step counting, gesture recognition).
Drone and UAV flight controller stabilization and inertial navigation.
Robotics for orientation sensing, balance control, and impact detection.
Industrial equipment for vibration monitoring, tilt sensing, and shock logging.
Virtual Reality (VR) and Augmented Reality (AR) controller positional tracking.

Technical Specifications

Manufacturer Part Number	LSM6DSO
Breakout Board SKU	SEN-18020
Operating Voltage	1.71 VDC to 3.6 VDC
Accelerometer Range	±2 / ±4 / ±8 / ±16 g (programmable)
Gyroscope Range	±125 / ±250 / ±500 / ±1000 / ±2000 DPS (programmable)
Output Interface	I2C (Qwiic)
FIFO Buffer Size	9 kB
Embedded Sensor	16-bit Temperature Sensor
Embedded Processing	Programmable Finite State Machine (FSM)
Motion Detection Features	Significant Motion, Tilt, Step Counter/Detector, Pedometer
Operating Temperature	-40°C to +85°C
Dimensions (L x W)	25 mm x 25 mm (approx.)
Board Weight	3 g

Frequently Asked Questions

What is the operating voltage range for the LSM6DSO breakout?

The breakout operates from 1.71V to 3.6V DC, making it directly compatible with 3.3V logic systems like most modern microcontrollers (Arduino, Raspberry Pi, ESP32). It is not 5V tolerant; ensure your I2C bus voltage does not exceed 3.6V.

How do I connect this sensor to my microcontroller?

Connection is simplified via the Qwiic connector, which uses a standard I2C interface (SDA, SCL, 3.3V, GND). Simply use a Qwiic cable to connect to any other Qwiic-enabled board. For non-Qwiic systems, you can solder to the breakout's 0.1"-spaced pins.

What is the purpose of the 9kB FIFO buffer?

The large FIFO (First-In, First-Out) buffer allows the sensor to store up to 9kB of accelerometer, gyroscope, and external sensor data internally. This enables power-efficient operation by letting the host MCU sleep for longer periods and wake up to read batched data, reducing communication overhead and power consumption.

Can this sensor detect specific motions without constant MCU processing?

Yes. The LSM6DSO features a programmable Finite State Machine (FSM) and dedicated hardware logic for detecting events like tilt, significant motion, free-fall, tap/double-tap, and step counting. These events can trigger hardware interrupt pins, alerting the MCU only when necessary.

Does the module include an embedded temperature sensor?

Yes, it includes a integrated 16-bit digital temperature sensor. This can be used for environmental temperature monitoring or, more commonly, for compensating the gyroscope's readings to improve accuracy across varying operating temperatures.