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GForce2D-2 v1.1 (obsolete)

Two sensors for the price of one. Senses dynamic acceleration (or deceleration) and inclination (tilt, ie. static acceleration) 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. See this videoclip for a demo of its acceleration sensing capabilities and this videoclip for a demo of its tilt sensing capabilities !

Similar sensors are:

Application examples

  1. 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).
  2. 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) !
  3. A wireless Wi-microSystem is recommended in all cases to operate without tether.

Technical specifications

Product GForce2D-2 sensor
Version 1.1 (2004) - for older versions search the obsolete section of our website
Sensing parameter dual-axis dynamic/static acceleration/deceleration
Sensing method MEMS
Cross-axis sensitivity 2 %
Bandwidth 6 KHz
Acceleration range 2 G
Acceleration resolution 2.5 mG (at 100 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 5.0 127
Acceleration application notes
  1. Identify output 1 by it's three pins and output 2 by it's only pin.
  2. Output 1 corresponds with acceleration perpendicular to the long side of the sensor, while output 2 corresponds with acceleration in the direction of the long side of the sensor.
  3. Rotating the sensor around either of the two sensitive axes will change the 0 G 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 2.17 55
0 2.52 64
+90 2.87 73
Inclination application notes
  1. Identify output 1 by it's three pins and output 2 by it's only pin.
  2. Output 1 corresponds with inclination perpendicular to the long side of the sensor (ie. rotation about the long side of the sensor), while output 2 corresponds with inclination in the direction of the long side of the sensor (ie. rotation about the short side of the sensor).
  3. Motion other than rotation (as a result of inclination or tilt) in either of the two sensitive axes may 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 2.7 to 5.25 V DC, 1mA
Operating temperature 0 to 70 C (32 to 158 F)
Sensor dimensions 50 x 14 x 5 mm (2.0 x 0.55 x 0.20 inch), incl. two 3 mm (0.12 inch) mounting holes spaced 30 mm (1.2 inch) apart
Weight 25 g (0.9 oz), incl. cable
Cable 1.0 m (39 inch), shielded, red wire = power, black wire = ground, white wire = sensor output (1 or 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 07 August 2014.
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