[Tinyos-help] Pls Help:Raw Data conversion to engineering units

[Brandon Fu]

Hi all,
I am currently doing a project on data conversion captured to engineering units. Do anyone know the formula to change the ADC values collected to engineering units. For example light,temperature and acceleration ADC samples to engineering units.
 
light samples collected = 1412 = how many light intensity
temp samples collected = 217 = how many degree celsius
accel samples collected = 631 = how many distance
 
I m using mib510 board,310MTS sensor boards,mica2 nodes. Anyone can help? 
 
Thanks.
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