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GForce2D-2 v2.0 (obsolete)

Two sensors for the price of one. Senses acceleration (or deceleration) and inclination (tilt, ie. acceleration due to gravitation) in two dimensions simultaneously. Detects upto ±2 G acceleration and a full 360° in two tilt axes. It's a visually exciting sensor ! Can be held in the palm of your hand.

Similar sensors are:

  • GForce3D-6 (6 G in 3D)
  • GForce3D-35 (35 G in 3D, but cannot measure tilt, ie. acceleration due to gravitation)

Application examples

  1. See how it was used in dance performance for Tres a la Vez (incl. software).
  2. Use for hand motion and jolt, jerk or impact detection (attach it to Whirling Dervishes, kinetic sculptures or Fido as he chases the neighborhood cat).
  3. The tilt sensing function is great for balance measurement: attach this sensor to your head to find out if you still can walk straight saturday night at 4 am (or whether you're actually balancing on your head) !
  4. A wireless Wi-microSystem is recommended in all cases to operate without tether.

Technical specifications

Product GForce2D-2 sensor
Version 2.0 (August 2010)
Sensing parameter dual-axis acceleration/deceleration
Sensing method MEMS
Cross-axis sensitivity ± 2 %
Bandwidth 50 Hz
Acceleration range ± 2 G
Acceleration resolution 2 mG (at 60 Hz vibration)
Acceleration calibration (output 1 or 2)
G Voltage (use 5 V power supply) 7-bit MIDI value (use 'no processing' editor preset)
-2 0.00 0
0 2.52 64
+2 5.00 127
Acceleration application notes
  1. Identify output 1 by it's only pin and output 2 by it's three pins in a row.
  2. Output 1 corresponds with acceleration in the direction of the cable, while output 2 corresponds with acceleration perpendicular to the cable in the plane of the sensor.
  3. Rotating the sensor around either of the two sensitive axes will change the at-rest output value corresponding to the inclination or tilt of the sensor, see inclination application notes.
  4. Warning ! Make sure the sensor is plugged into the digitizer with the red wire connected to power. Reversing the plug may cause damage to the sensor.
Inclination range -180° to +180°
Inclination calibration (output 1 or 2)
Degrees Voltage (use 5 V power supply) 7-bit MIDI value (use 'no processing' editor preset)
-90
0 2.52 64
+90
Inclination application notes
  1. Identify output 1 by it's only pin and output 2 by it's three pins in a row.
  2. Output 1 corresponds to inclination in the direction of the cable (ie. rotation about the cable), while output 2 corresponds to inclination perpendicular to the cable.
  3. Motion other than rotation (as a result of inclination or tilt) in either of the two sensitive axes will generate sensor output corresponding to the acceleration of the motion, see acceleration application notes.
  4. Warning ! Make sure the sensor is plugged into the digitizer with the red wire connected to power. Reversing the plug may cause damage to the sensor.
Power supply 2.4 to 6 V DC, 0.45 mA
Operating temperature -20° to 70° C (-4° to 158° F)
Sensor dimensions x x mm ( x x inch), incl. two mm ( inch) mounting holes spaced mm ( inch) apart
Weight g ( oz), incl. cable
Cable 1.0 m (39 inch), shielded, red wire = power, black wire = ground, grey wire = sensor output 1, white wire = sensor output 2, maximum extension 30 m (98 ft)
Connector double male plug with 3+1 pins in two rows spaced 2.54 mm (0.100 inch)

This page was updated on Thursday 15 November 2012.
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