[Tinyos-devel] more bugging about current consumption on MicaZ in tinyos-2.x

Joe Polastre joe at polastre.com
Tue Jul 18 00:07:13 PDT 2006


The ATMega128L used on the MicaZ has a very wide sleep current.  Some
customers have reported as low as 5uA sleep current while others have
reported as high as 50-500uA sleep current.  The processor uses a very
archaic design relative to the new ATMega's and the superior TI MSP430
processors.

-Joe

On 7/17/06, Razvan Musaloiu-E. <razvanm at cs.jhu.edu> wrote:
> Hi!
>
> On Mon, 17 Jul 2006, Philip Levis wrote:
>
> > On Mon, 2006-07-17 at 15:48, Razvan Musaloiu-E. wrote:
> > > Hi!
> >
> > >
> > > I'll try to find a better one and check again. My problem is the same
> > > multimeter shows very low values for a Telos (7.1uA for Null) so that's
> > > why I haven't blame it so far.
> > >
> > > Once again, thank you very much!
> >
> > Hrm, that is weird.
> >
> > One thought: do you have any sensors attached to the mote? It might be
> > that it's leaking current there. I did not have any sensors attached.
>
> Nope, no sensors. Just a bare MicaZ.
>
> --
> Razvan ME
>
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