The ADCs used are either 10 or 12 bits, depending on the controller.
That's either 3/1024 volts for the micas or 3/4096 volts for the tmotes.
I think some of the Battery components convert the value to milli-volts,
but there's some noise involved so the actual accuracy is likely ~10 mV.
MS


Flavio Pompermaier wrote:
> Hi to all,
> is there anyone that knows the accuracy of batteries voltage measurement?
> Is it in the order of millivolts or microvolts? Or what?
> 
> Best regards,
> Flavio
> 
> 
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-- 
Platform: WinXP/Cygwin
TinyOS version: 1.x, Boomerang
Programmer: MIB510
Device(s): Mica2, MicaZ, Tmote
Sensor board: homebrew

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