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Re: [tracker2] Re: OTUSB Current Draw

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  • Scott Miller
    Sure, there s a pin on the (unpopulated) header that s connected to the 5v bus, and it should operate down to about 2.7v. All of the ADC readings are now
    Message 1 of 4 , Apr 23, 2012
      Sure, there's a pin on the (unpopulated) header that's connected to the
      5v bus, and it should operate down to about 2.7v. All of the ADC
      readings are now referenced to the internal band gap reference so they
      should be accurate regardless of supply voltage.

      Scott

      On 4/23/2012 8:19 PM, tony@... wrote:
      > Thanks for the information. I was thinking of using this on a balloon.
      > For batteries I was planning on lithium polymer, 3.7v, with a booster to
      > get to 5 v. Can I run the tracker of 5 V direct if I bypass the
      > regulator? No warranty would be implied or required.
      >
      > Tony
      > W5ADC
      >
      > --- In tracker2@yahoogroups.com <mailto:tracker2%40yahoogroups.com>,
      > Scott Miller <scott@...> wrote:
      > >
      > > Should be around 20 mA. I've been testing code for the T3 that shuts
      > > the demodulator down when the EXTSQL option is used - if I applied that
      > > to the OTUSB it could probably get it under 10 mA.
      > >
      > > Scott
      > >
      > > On 4/22/2012 3:33 PM, tony@... wrote:
      > > > I have looked around and can't seem to find the current (mA)
      > > > requirements for the OTUSB.
      > > >
      > > > Any one measure this resently?
      > > >
      > > > Thanks,
      > > >
      > > > Tony
      > > > W5ADC
      > > >
      > > >
      > >
      >
      >
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