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Dual Axis Accelerometer Breakout Board - ADXL320 +/-5g
sku: SEN-00847
Description: Breakout board for the dual axis ADXL32x accelerometers. Brings out the analog voltage levels from the X and Y axis to a standard .1" header. The ADXL320 can be powered from 2.4V-5.25V. The Self-Test pin can be used to verify sensor operation.
Board comes fully assembled and tested with selected sensor and 0.1uF filtering capacitors.
Installed Sensor: ADXL320 (+/- 5g)
Dimensions: 18x18 mm (0.70x0.70")
Documents:
- ADXL3xx Breakout Schematic
- ADXL3xx dimensional drawing
- ADXL320 Data Sheet (reference only)
- Analog Devices (for current datasheets)
- Dimensional Drawing
- Eagle Files
Software: The ADXL32x outputs an analog voltage. This voltage is in ratio to the measured acceleration and to the supply voltage (ratiometric). You will need some extra hardware to convert this analog signal to a usable digital one. Luckily, many uCs have a built in Analog to Digital converter.
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1) The real measurement range turned out to be about 8 g! Have no clue why.
2) The Z output is dummy. Sparkfun just use the same board from the 3-axis accelerometer breakouts.
Otherwise the quality is much higher than that of MMA for about $20.