Qwiic 6DoF (LSM6DSO) Breakout Hookup Guide

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Introduction

Note: This tutorial is for the LSM6DSO. It is important to note that last designation for the IC is the letter O as opposed to the number 0. There is also the LSM6DS0 that was released by STMicroelectronics but it is EOL.

The LSM6DSO is an accelerometer and gyroscope sensor with a giant 9 kbyte buffer and embedded processing interrupt functions, specifically targeted at the cellphone market. The sensor is super-flexible and can be configured specifically for an application. We've put together a driver and slew of examples to help you explore the possibilities.

SparkFun 6 Degrees of Freedom Breakout - LSM6DSO (Qwiic)

SparkFun 6 Degrees of Freedom Breakout - LSM6DSO (Qwiic)

SEN-18020
$11.95

Some of the things the LSM6DSO can do:

  • Read accelerometer data up to 6.66 kilosamples per second, for super accurate movement sensing
  • Read gyroscope data up to 6.66 kilosamples per second
  • Operates at 0.55mA for up to 6.66 ksps modes
  • Read temperature
  • Buffer up to 9 kbytes of data between reads (built-in FIFO)
  • Count steps (Pedometer)
  • Detect shocks, tilt, motion, taps, double-taps
  • Host other sensors into its FIFO
  • Drive interrupt pins by embedded functions or by FIFO low-capacity/overflow warning.

Covered In This Tutorial

This tutorial gives you all you need to get going with the LSM6DSO. We'll introduce you to the chip itself, then the breakout board. Then we'll switch over to example code and show you how to interface with the board using an Arduino and our SparkFun LSM6DSO Arduino library.

The tutorial is split into the following pages:

  • Introduction - Basic information
  • Hardware Overview - Hardware connections
  • Hardware Assembly - Connect to the LSM6DSO by I2C or SPI
  • Installing the Arduino Library - Includes overview of the examples
  • Using the Arduino Library - Explains the user API
  • Resources and Going Further - Links to the datasheet and application notes, plus inspirational projects

Required Materials

To follow along with this tutorial, you will need the following materials. You may not need everything though depending on what you have. Add it to your cart, read through the guide, and adjust the cart as necessary.

SparkFun RedBoard Qwiic

SparkFun RedBoard Qwiic

DEV-15123
$19.95
8
Qwiic Cable - 100mm

Qwiic Cable - 100mm

PRT-14427
$1.50
SparkFun 6 Degrees of Freedom Breakout - LSM6DSO (Qwiic)

SparkFun 6 Degrees of Freedom Breakout - LSM6DSO (Qwiic)

SEN-18020
$11.95
Reversible USB A to Reversible Micro-B Cable - 0.8m

Reversible USB A to Reversible Micro-B Cable - 0.8m

CAB-15428
$3.95
Warning! The LSM6DSO is a 3.3V device! Supplying voltages greater than ~3.6V can permanently damage the IC. As long as your Arduino has a 3.3V supply output, and you're ok with using I2C, you shouldn't need any extra level shifting. If you want to use SPI, you may need a level shifter.

SparkFun Logic Level Converter - Bi-Directional

SparkFun Logic Level Converter - Bi-Directional

BOB-12009
$2.95
108
SparkFun Level Translator Breakout - PCA9306

SparkFun Level Translator Breakout - PCA9306

BOB-15439
$4.25
A logic level shifter is required for any 5V-operating Arduino (Uno, RedBoard, Leonardo, etc). If you use a 3.3V-based 'duino -- like the Arduino Pro 3.3V or 3.3V Pro Mini -- there is no need for level shifting.

The RedBoard Qwiic has two level shifters on the I2C lines so you do not need to worry about the logic levels when using the board in I2C mode. You could also adjust the system voltage by cutting the jumper and adding solder to the 3.3V side when using the board in SPI.

Suggested Reading

If you aren't familiar with the Qwiic system, we recommend reading here for an overview .

Qwiic Connect System
Qwiic Connect System

If you aren’t familiar with the following concepts, we also recommend checking out a few of these tutorials before continuing.

Serial Peripheral Interface (SPI)

SPI is commonly used to connect microcontrollers to peripherals such as sensors, shift registers, and SD cards.

Gyroscope

Gyroscopes measure the speed of rotation around an axis and are an essential part in determines ones orientation in space.

Logic Levels

Learn the difference between 3.3V and 5V devices and logic levels.

Accelerometer Basics

A quick introduction to accelerometers, how they work, and why they're used.

I2C

An introduction to I2C, one of the main embedded communications protocols in use today.