Adafruit Triple-Axis Accelerometer - 2/4/8g @14-bit - MMA8451

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An accelerometer selection even more with this high-precision and inexpensive MMA8451 Triple-Axis Accelerometer w/ 14-bit ADC. You can detect motion, tilt and basic orientation with a digital accelerometer - and the MMA8451 is a great accelerometer to start with. It has a wide usage range, from +-2g up to +-8g yet is easy to use with Arduino or another microcontroller

The MMA8451 is a miniature little accelerometer from Freescale, who are (by this point) masters at the accelerometer-design game. It's designed for use in phones, tablets, smart watches, and more, but works just as well in your Arduino project. Of the MMA8451/MMA8452/MMA8453 family, the MMA8451 is the most precise with a built in 14-bit ADC. The accelerometer also has built in tilt/orientation detection so it can tell you whether your project is being held in landscape or portrait mode, and whether it is tilted forward or back. This sensor communicates over I2C so you can share it with a bunch of other sensors on the same two I2C pins.

Uses I2C repeated-start, address is selectable to either 0x1C or 0x1D


Check out getting-started writeup for this little breakout at the Adafruit Learning System

Datasheets, PCB files, Fritzing object available in the tutorial


Extra Information

Adafruit Industries
Sensing Range:
+-2g up to +-8g
21mm x 18mm x 2mm
4096 count/g, 2048 count/g, 1024 count/g
Supply - 3V ~ 5V

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.