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ADXL-345 Breakout Board - Acceleration

Description: This is break out board of ADXL345, it is a small, thin, ultra low power, 3 - axis accelerometer with high resolution (13- bit) measurement at up to ±16g. Digital output data is formatted as 16 - bit twos complement and is accessible through either a SPI (3 - or 4-wire) or I2C digital interface. This board comes with 3.3v regulator, that means it can be powered from 3.3v to 12v. You may wonder since 3.3v regulator is present so supply need to be greater than 3.3v but we have tested these and it works when input supply is 3.3v.

The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt - sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (3.9mg/LSB) enables measurement of inclination changes less than 1.0°.


  •     Ultra low power: as low as 23 µA in measurement mode and 0.1 µA in standby mode
  •     Power consumption scales automatically with bandwidth User - selectable resolution
  •     Fixed 10 - bit resolution
  •     Full resolution, where resolution increases with g range up to 13 - bit resolution at ±16g (maintaining 4mg/LSB scale factor in all g ranges)
  •     Embedded memory management system with FIFO technology minimizes host processor load Single tap/double tap detection
  •     Activity/inactivity monitoring
  •     Free - fall detection
  •     Supply voltage range: 3.3v to 12v
  •     I/O voltage range: 1.7 V to 3.3V SPI (3 - and 4 - wire) and I2C digital interfaces
  •     Flexible interrupt modes mappable to either interrupt pin
  •     Measurement ranges selectable via serial command
  •     Bandwidth selectable via serial command
  •     Wide temperature range (-40°C to +85°C)
  •     10,000g shock survival
  •     Pb free/RoHS compliant
  •     Small and thin: 3mm× 5mm× 1mm LGA package


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