MEMS Acceleration Sensor

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Revision as of 23:49, 1 May 2012 by Mschied (talk | contribs)

Accelerometers

important criteria:

  • Interface (simplicity, speed)
  • maximum acceleration (or desired range) - usually given in factors of earth's gravitation. (3g means 3 * 10m/s²)
  • resolution vs. range (bit depth): increased max. range usually is traded against lower resolution.
  • noise (the less the better)
  • measurement rate (the higher the better)


Examples

  • Cheap and easy to source: Wii Nunchuck - 3 axis, interface: i²c (also works on cheap replacement nunchucks)
  • Convenient: Sparkfun ADXL335 breakout board - 3 analog voltage outputs, 3 axis.
  • MMA7455 I2C/SPI, tested successfully on Arduino, 3 axis
  • ADXL345, I2C/SPI, tested successfully on Arduino, [[1]]

please leave code exmples here

void foobar () {}