[Tinyos-help] Tinyos-help Digest, Vol 69, Issue 13

[Jorge Eduardo Higuera P]

Hi Jimmy, 
For your test only need use a programmable power supply,  piezoelectric current clamp in serie or use an little resistence  in serie with the mote and digital oscilloscope.

att Jorge H

> ------------------------------
> 
> Message: 3
> Date: Fri, 9 Jan 2009 15:34:23 -0400
> From: Jimmy <ilink23 at gmail.com>
> Subject: [Tinyos-help] TMote Sky Help
> To: tinyos-help at millennium.berkeley.edu
> Message-ID:
> 	<bbbd2e550901091134v4d6217b9ib86c9df0f131abd3 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi,
> 
> I am looking for some help regarding the TMote Sky motes.
> 
> My problem: I want to simulate the draining battery using
> external
> circuitry (i.e. using a programmable power supply), but to
> do that the
> USB power must be cut-off and still need to communicate
> with the host
> computer. So, I disconnected the 5V power line from the USB
> cable, and
> when I do that the host computer cannot be able to see the
> Tmote
> connected to its USB and hence not able to program it.
> 
> I also tried to program the TMote Sky when it is getting
> power from
> 2-AA batteries and USB power cut-off, and the result is
> that the host
> computer cannot see the TMote Sky.
> 
> Is there a way to program the TMote Sky with USB connected
> and without
> using USB power (5V).
> 
> Please help me on this regard. Sentilla has discontinued
> support for
> the Tmote Sky
> (http://www.sentilla.com/moteiv-transition.html).
> 
> Thank you,
> Jimmy
> 
> 
> ------------------------------
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> End of Tinyos-help Digest, Vol 69, Issue 13
> *******************************************