The Freescale Semiconductor MMA7455 3-Axis Digital Output Accelerometer is a low-power, micro-machined sensor capable of measuring acceleration along its X, Y, and Z axes. It offers several convenient integrated features including an analog-to-digital converter (ADC), digital low-pass filter, and selectable sensitivity ranges of ±2g, ±4g, or ±8g. This device can be configured to detect quick motion pulses as single taps, double taps, and 0g (free fall) conditions on any or all axes, and provides configurable interrupt pins (INT1 and INT2) for each type of event.

Flexibility and compatibility are designed into this module. An on-board voltage regulator and I/O voltage level-shifters make this module especially easy to connect to virtually any microcontroller.

Use the MMA7455 chips

Provide the source code demo for STM32 board