Memsic 2125 Accelerometer using Arduino

The Memsic 2125 (datasheet) is a two-axis accelerometer capable of measuring acceleration up to plus or minus 2g. It has a simple digital interface: two pins (one for each axis) emit pulses whose duration corresponds to the acceleration of that axis. By measuring the length of that pulse, in microseconds, using the Arduino's pulseIn() function, it is possible to determine the rate of acceleration and to use ...

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