[Tinyos-help] TmoteSky - External Power Supply

Michael Schippling schip at santafe.edu
Wed Feb 20 10:39:35 PST 2008

That works fine (for me). I have a 3.3v supply connected to pins 1&9
and I can use either that supply or the USB to power the tmote.
It doesn't seem to matter if both are connected at the same time.


Jose Araujo wrote:
> Dear all,
> I wanted to have na external vcc to supply my tmote sky but the tmote 
> datasheet is not conclusive about it. Does anyone implemented already? I 
> was thinking about connecting the 3V supply to the pin 1 and 9 of the 
> external 16 pin connector i.e. AVCC and Gnd, with a L from ExternalVCC 
> to AVCC, as its seen in the battery supply schematic (Vccin with C1, L2 
> and C2 turned into DVCC)
> Thanks to all,
> José
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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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