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16020Re: [tracker2] OT3 mini wiring

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  • Jason KG4WSV
    Nov 7, 2013
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      On Thu, Nov 7, 2013 at 12:43 AM, <kd0ofx@...> wrote:

      Let me admit first off that I probably lack the understanding and skill-set required to tinker with things that require more than simply plugging in a cable. That said, I just don't seem to understand how to wire the OT3 mini. 

      I'm simply trying to solder on DB9 connectors to match the OT3 so that I can use my existing cables for radio and GPS for now. 

      and those cables are tested and working?
      For the radio, I have Aout to Pin 1, SQL to pin 2, Ain to pin 5, GND to pin 6, and VIN to pin 7.

      looks OK. Don't worry about using SQL until you get the basics working.
      For the GPS I have Arx to pin 2, Atx to pin 3, and GND2 to pin 5. 

      Skip the GPS until you know you can RX/TX. 

      Both of these are connected to known working cables, radio, and Garmin 350, 

      Oops, you already answered question 1.  But it wouldn't hurt to double check.

      Did you put a meter on it and make sure you have 12V (or whatever) on Vin, and have a regulated +5 at the 5V pin?  Did you use otwincfg to generate some audio test tones, and verify that the radio keys up and transmits them?

      Do you see any received data?

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