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Orient3D v1.0 (obsolete)

What is your orientation ? Find east, west, south, north, up, down and more with this sensor in any position. Obtain the pitch, yaw and roll of any object. Has both analog and digital I2C (for more precision) outputs.


Application information

Product Orient3D sensor
Examples The Orient3D combines perfectly with the GForce3D-3 for a 6DOF controller.
  1. Use it as a sophisticated game controller.
  2. Allow your robot or toy car to know what's up and down, and left and right etc. Combine with GForce3D-3, and ReachClose to detect approaches to and/or impacts with walls and what have you.
  3. Use 5 Orient3D on a human body and calculate its posture (some math required !).
Manuals Using the sensor with the Wi-microSystem enables you to use the sensor without being tethered to your computer or MIDI device.
  1. Manual
  2. When using the digital I2C output, the returned values are the field intensity vector components in a three-dimensional Cartesian coordinate system (three 2's complement integers: x, y, z). Compute yaw, pitch and roll angles as follows:
    Yaw = arctan( x / y )
    Pitch = arctan( x / z )
    Roll = arctan( y / z )
    When using the analog output, the three 0-5V signals (one for each axis) are based on the 10 least significant bits of the sensor's I2C output values. Hence: sensor output voltage = 5V * ( sensor's I2C output value + 512) / 1024.
  3. To calibrate the sensor, please read the manual.
  4. Any magnetic materials or fields in the vicinity of the sensor may distort the sensor output.
  5. 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.
Software The following standalone software can be modified with the Max development environment:
  1. Max v4: Orient3D patch v1.0 (runtime version of this patch)



Technical specifications

Product Orient3D sensor
Version 1.0 (December 2007)
Sensing parameter triple-axis earth's magnetic field intensity
Sensing method Hall effect
Range ±1100 µT
Resolution 2.0 µT (gain = 0.49) to 0.016 µT (gain = 62)
Response time using digital I2C output: 1.5 ms (gain = 0.49) to 180 ms (gain = 62)
using analog output: 35 ms (typical), 86 ms (max, ie. at 180° change)
Power supply 4.75 to 5.25 V DC, 8 mA
Operating temperature -20 to 70 °C (-4 to 158 °F)
Sensor dimensions 51 x 38 x 15 mm (2.0 x 1.5 x 0.59 inch), incl. four 3.0 mm (0.12 inch) mounting holes spaced 30 x 30 mm (1.2 x 1.2 inch) apart
Weight 40 g (1.4 oz), incl. cable
Cable 1.0 m (39 inch), shielded, red wire = power, thick black wire = ground, thin black wire = sensor analog output 1 (x-axis) or I2C data, white wire = sensor analog output 2 (y-axis) or I2C clock, grey wire = sensor analog output 3 (z-axis), maximum extension m ( ft)
Connector male plug with 5 pins in three rows spaced 2.54 mm (0.100 inch)

This page was updated on Wednesday 08 February 2017.
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