[Paparazzi-devel] Fwd: Magnetic sensor with attitude output (pitch/roll/yaw+compass direction)

[nisma]

--- Weitergeleitete Nachricht / Forwarded Message ---
Date: Mon, 3 May 2004 13:34:21 +0200 (MEST)
From: address@hidden
To: address@hidden
Subject: Magnetic sensor with attitude output (pitch/roll/yaw+compass
direction)

Hi, 
is someone of you interrest in buying a 3 axis magnetic compass module
outputting roll/pich/yaw + compass directions
This module is low cost, low precision (only MCU internal 14 bit ad
converter) temperature compensated devices featuring a 0.1 degree 
compass resolution or better. The data is valid for X/Y angles from 0 - 60
degree. The HW can resolve 0-360 degree, for this other firmware must be
supplied.
This implies lower update rates.
The compass is a true 3 axis digital compass.
The cost is approximal 50$, if 3 unit are ordered (total).
The current update frequence is 100KH.
Output are: 
   PWM 100KH duty cycle from 50/50 (0) to 70/30 and 30/70 for pich/roll/yaw
   analog or digital (lower resolution - 10 bit) temperature reference
   precise voltage reference usable for ad converter.
   analog (sin+cos) or digital (i2c/rs232/k2/spi) compass output.

PS: the spi output is not the standard motorola spi one.
    I2c and spi can be high speed up to 1MH.

If the digital interface was selected, the pitch/roll/yaw values can be read
on the digital interface too. 
A special setup/calibration program is used to change the interface options,
calibrations, update frequency and power management. It's not possible
to change this in flight until special firmware.

   
  

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