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3DR Telemetery - GPS NMEA Messages

Posted by Trenton Astley Isla on November 17, 2013 at 4:26pm

Hi,

can i use 3DR Radios to transmit GPS NMEA Messages without the use of APM?

GPS UART>> 3DR TX    /\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\   3DR RX>> SERIAL OUT

can i use 3DR radios to accomplish this kind of operation? if yes, how would i set set it up to work?

Thanks in advance

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Replies

  • Angelo DP November 26, 2013 at 3:28am

    Just check each module power supply voltage.

    3DR radio modules are 3.7-6 volts, but 3DR GPS modules are 5V only.

    Other brands radios and GPS could be different. Some GPS modules are 3.3V

    Angelo

  • Marcin Krawczyk November 18, 2013 at 12:24am

    Yes, you can. Set radio wit UART speed equal to speed of GPS. Set air speed to value highier than that.

    Connect Tx from GPS to Rx from radio and vice versa. Connect grounds and power both units.

    Thats all.

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