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Remzibi OSD 3DR not working with Delorme GPS NMEA

Posted by criro1999 on March 3, 2012 at 7:27pm

I just receive my Remzibi OSD 3DR and test it with Remzibi OSD software and GPS emulator, all works perfect with GPS emulator with FTDI cable.

But when I am using my Delorme Earthmate GPS (see below the model and pinout cable), this GPS is not recognized by OSD.

I am using next pins below (in blue) to connect the GPS to remzibi. When I connect the GPS, Remzibi OSD is starting finding the GPS cycling all byte per second, GPS power led is blinking (as normal), but at the end the GPS is not recognized. Any idea?

I did not change anything on Remzibi OSD Configuration tool / "GPS Setup". Should I?

This GPS is NMEA compatible and I was able to connect it as NMEA GPS with different software, including GoogleEarth.

The original GPS USB cable was using pins #2 and #3 for signal. My cable to connect to Remzibi was modified to use pins #5 and #6. Should I use those pins #2 and #3, instead of #5 and #6?


Delorme Earthmate II LT-40 GPS - Pinout

----------------------------------

1 - GND - To GND Remzibi
2 - USB Data+
3 - USB Data-
4 - +5V - To GND Remzibi
5 - RS232 RXD - To RX Remzibi
6 - RS232 TXD - To TX Remzibi
7 - RS232 DTR
8 - +5v
9 - GND
10 - 
11 -
12 - SHIELD

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Replies

  • Sérgio Domingos March 13, 2012 at 4:55am

    Has anyone got this working right with APM and telemetry? i order this board thinking it would be better than the MinimOSD. My intention is to use it with APM and also as standalone for some FPV.

    If DIYDRONES sells this board alone, it should at least give some support on it and provide some info on the connections and what is compatible with it.

    APM is awesome, but this is a bad product due to its support.

  • criro1999 March 6, 2012 at 5:15pm

    Still not working... So in my test I did extract the RX and TX from GPS and connect to Remzibi OSD 3DR. GPS TX to Remzibi RX and GPS RX to Remzibi RX. And provide +5V and ground to GPS, from Remzibi board. This setup does not work.

    I was thinking to next scenario: to keep GPS with USB connector (pins 2, 3,as original), instead on serial (pins 5, 6,). And then fromGPS USB connector to use the FTDI cable to use it as "TTL to RS232". So, connect my GPS USB connector to USB FTDI connector and FTDI serial connector to Remzibi. Would be this a solution? Any idea?

  • Furet March 5, 2012 at 7:57am

    Hello criro

    Reply for you problem.


    +5V - To GND Remzibi     <<<<----------I think there is an error here.

    in Remzibi s OSD in "view" menu you use Remzibi or ardupilot or no gps?


    Now my probleme


    I have Remzibi OSD 3DR with ardupilot mega and telemetry kit 2.4G and GPS ublox5.

    Ardupilot work very well with gps and telemetry kit.

    When i connect the Remzibi OSD 3DR pin at xbee port on ardupilot, OSD not detect gps.

    i connect the "out" on xbee port to rx on Remzibi OSD 3DR and GND to GND for finish +5 to +5.

    somethink wrong ?

    What do you think about ?

    Thank and sorry for this english from another planet




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