Datasheet

Set & Get Range

You can set the accelerometer max range to ±2g, ±4g or ±8g with

And read what the current range is with

Which returns 1 for ±2g, 2 for ±4g and 3 for ±8g

Read Raw Count Data

You can read the raw counts data with

The x, y and z data is then available in mma.x, mma.y and mma.z

All three are read in one transaction.

Reading Normalized Adafruit_Sensor data

We recommend using the Adafruit_Sensor interface which allows reading into an event

structure. First create a new event structure

Then read the event whenever you want

The normalized SI unit data is available in event.acceleration.x, event.acceleration.y

and event.acceleration.z

Read Orientation

mma.setRange(MMA8451_RANGE_2_G);

mma.setRange(MMA8451_RANGE_4_G);

mma.setRange(MMA8451_RANGE_8_G);

mma.getRange()

mma.read();

sensors_event_t event;

mma.getEvent(&event);