The LIS3DH is a very popular low power triple-axis accelerometer. It's low-cost, but has just about every 'extra' you'd want in an accelerometer:
Three axis sensing, 10-bit precision
±2g/±4g/±8g/±16g selectable scaling
Both I2C (2 possible addresses) and SPI interface options
Interrupt output
Multiple data rate options 1 Hz to 5Khz
As low as 2uA current draw (just the chip itself, not including any supporting circuitry)
Tap, Double-tap, orientation & freefall detection
3 additional ADC inputs you can read over I2C
To all that, we've also added:
3.3V regulator + level shifting, so you can safely use with any Arduino or microcontroller withoutthe need for an external level shifter!
We kept seeing this accelerometer in teardowns of commercial products and figured that if it's the most-commonly used accelerometer, its worth having a breakout board!
This sensor communicates over I2C or SPI (our library code supports both) so you can share it with a bunch of other sensors on the same I2C bus. There's an address selection pin so you can have two accelerometers share an I2C bus.
We’ve of course broken out all the pins to standard headers and added a voltage regulator and level shifting so allow you to use it with either 3.3V or 5V systems such as the Raspberry Pi + Feather series or Arduino Uno respectively.
Comes with a bit of 0.1" standard header in case you want to use it with a breadboard or perfboard. Four mounting holes for easy attachment.
As of August 21, 2020 we've updated this sensor to be STEMMA QT compatible - that means there's now an easy way to plug-and-play this sensor without any soldering! The physical shape and pinout has changed a little!
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