[Tinyos-help] accelerometer reading from MTS400CA sensor board

[Giri Baleri]

The accelerometers on MTS400 board are not individually calibrated. In
order to get more accurate acceleration reading, you will need to
estimate the bias and sensitivity by orienting each accelerometer axis
towards the gravity axis (+1g and -1g) and then use those calibration
constants in the xlisten parser/converter.
 
Regards,
Giri 

-----Original Message-----
From: tinyos-help-bounces at millennium.berkeley.edu
[mailto:tinyos-help-bounces at millennium.berkeley.edu] On Behalf Of
sougata sen
Sent: Tuesday, March 04, 2008 9:50 PM
To: tinyos-help at millennium.berkeley.edu
Subject: [Tinyos-help] accelerometer reading from MTS400CA sensor board

hi all
we are using MTS400 sensor board in our application on tinyos-1.x.
all readings other than the accelerometer are coming fine.
the sensor manufacturer of the accelerometer claims that the reading
will be between +- 2g, but we are getting a reading much greater than
that(approx 8 g).
the formula that we are using is the the same as listen application.
is there any other formula that has to be used? please help us regarding
the same


Thanks and regards,

Sougata Sen
Bangalore
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