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MTK 339 Sleep or low power mode

Posted by Bob Beasley on May 19, 2011 at 9:33am

Arduino microprocessor

Not using the custom binary feature

 

Can I power up my GPS, let it get a lock, and then put it into some kind of low power consumption mode until I need it?

 

What command would I send to turn it down and then back up?

 

I also want to change the Hz and baud rate in Arduino's setup method. I found these commands in the MTK Commands document but not the low power or sleep command(s).

 

Thanks!

Bob

 

 

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Replies

  • Crashpilot1000 December 9, 2012 at 1:06pm

    You can turn off WAAS and/or SBAS to save power. I don't know if it is already done by a powersave command.

  • Bob Beasley May 19, 2011 at 9:39am

    Of course as soon as I post, I think I've found the answer.

    To go into power save mode:

    $PMTK320,1*26

     

    To turn off power save mode:

    $PMTK320,0*26

     

    I got these from the mtk_packet_user_manual.pdf and not off of DIYDDrones so I'm a bit skeptical. Are these commands correct?

    Thanks,

    Bob

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