Accel Click Board
IC/Module: ADXL345 3-axis Accelerometer
ADXL345 is a small-sized, low power 3-axis accelerometer with user-selectable resolution, which can increase with g range, up to 13-bit resolution at ±16 g. The digital output data is accessible through either a SPI or I2C interface. Working with low power modes, it allows smart motion-based power management with threshold sensing and active acceleration measurement.
Numerous Sensing Functions
Accel click is provides with several special sensing features. The ADXL345 module is capable of detecting single/double taps as well as a free-fall detection of the device. It can also detect motion or no-motion activity of the device. If the acceleration on any axis exceeds a user-set level, it detects that too. These functions can be mapped to one of two interrupt output pins.
The three jumper (J1, J2, J3) aboard Accel click are soldered in appropriate position to select the communication interface between SPI or I2C in order to communicate with the target board MCU. By default, these jumpers are soldered in I2C position. Also, in the I2C position, the user has an option to choose the alternate address using J4 jumper.
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