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Re: [tracker2] T2-135 temperature sensor...

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  • Stan Leeds, KC7EHJ
    Well DOH ! I should have known that. Thanks, Sorry and 73, Stan
    Message 1 of 5 , Jul 26, 2007
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      Well "DOH"! I should have known that.


      Thanks, Sorry and 73,
      Stan

      Scott Miller wrote:
      >
      >
      > That's the 1-wire bus, and it goes to the DB9. You can hook a 1-wire
      > weather station up there. In fact, you can hook up just the temperature
      > sensor and get a reading from it now, but it'll be in APRS weather
      > format, not on the status line.
      >
      > Scott
      >
      > Stan Leeds, KC7EHJ wrote:
      > >
      > >
      > > Scott,
      > > Sometime ago I downloaded a graphic schematic named t2-135.png. It has
      > > a date of 6/05/2007 time 10:10:10a. It shows signal name "1-wire" at
      > > CN1 pin p2 going to the MCU pin 37 called PTD3/KBI3. Is this the
      > > proposed input for an external temperature, or is already available?
      > >
      > > Stan/KC7EHJ
      > >
      > > Scott Miller wrote:
      > > >
      > > >
      > > > Not without soldering directly to the MCU. However, at some point I
      > > > want to add an option to use a 1-wire temperature sensor for the status
      > > > and telemetry. You'd just have to connect a DS18S20 to the rear-panel
      > > > DB9 with a 2-conductor cable.
      > > >
      > > > Scott
      > > >
      > > > Keith VE7GDH wrote:
      > > > >
      > > > >
      > > > > Hi Scott
      > > > >
      > > > > I know the T2-135 doesn't have a built-in temperature sensor, but
      > > > > is the circuitry there to connect one?
      > > > >
      > > > > 73 es cul - Keith VE7GDH
      > > > > --
      > > > > "I may be lost, but I know exactly where I am!"
      > > > >
      > > > >
      > > >
      > >
      > >
      >
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