Its means to be interfaced to a PC over USB, but it appears to provide 9 DOF (accelermeters, gyros, and magnetometers). The device apparently can output the raw sensor values and/or Kalman filtered quaternions

http://www.pnicorp.com/products/all/spacepoint-fusion

Too good to be true?

- Roy

Views: 1886

Comment by Dan Overholt on December 11, 2009 at 5:22am
Chris,
You should note this quote from PNI's website:
"The module streams raw accelerometer, gyroscope, and magnetometer data, as well as meaningful orientation information represented as quaternions, through a USB/HID interface."

So your comment "no UAV use" does not apply here ... it just means using the raw sensor values and combining them yourself in order to take centrifugal effects into account properly. Even if there is now low-level protocol (RS232 / I2C / SPI) is available, boards like Brian Wolfe's PICpilot ( http://diydrones.com/profiles/blogs/built-up-three-more-picpilots ) would be able to receive this raw data without a problem, since they incorporate a microcontroller that supports USB-host mode.

Dan
Comment by Dan Overholt on December 14, 2009 at 10:28am
Chris,
You should note this quote from PNI's website:
"The module streams raw accelerometer, gyroscope, and magnetometer data, as well as meaningful orientation information represented as quaternions, through a USB/HID interface."

So your comment "no UAV use" does not apply here ... it just means using the raw sensor values and combining them yourself in order to take centrifugal effects into account properly. Even if there is no low-level protocol (RS232 / I2C / SPI) available, boards like Brian Wolfe's PICpilot ( http://diydrones.com/profiles/blogs/built-up-three-more-picpilots ) would be able to receive raw data PNI's SpacePoint without a problem, since they incorporate a microcontroller that supports USB-host mode.

Dan

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