does anyone know details about connecting a GPS module to raspberry pi, i don't want to waste one USB port by using, GPSmodules with USB connection....

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    Waste ???? You could always use Self-powered USB Hub and expand USB ports. USB GPS module is indeed the best choice. – Sufiyan Ghori Oct 23 '13 at 7:34
  • I moved my answer to raspberrypi.stackexchange.com/questions/547/… as it is better suited there. Since this question will most likely be closed, removed, shredded and forgot about. – Piotr Kula Oct 23 '13 at 9:52
  • It's unclear how what you're asking is different from this question. If you'd like to reopen the question, please edit it to clarify what you're asking. – ramblinjan Oct 23 '13 at 15:38
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    A suggestion--if you're asking if there's a way to use a GPS module not hooked up through a USB port, change the question to reflect that. – ramblinjan Oct 23 '13 at 15:39

You should buy a GPS module that have serial (UART) interface. Then you can connect the GPS module to Raspberry Pi through GPIO pins. There is a blog about 3DR GPS module at http://diydrones.com/profiles/blogs/how-to-connect-3dr-gps-ublox-to-raspberry-pi

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    -1 The answer is in the link I provided in the comment. You should have voted to close this answer as its duplicate – Piotr Kula Oct 23 '13 at 14:55

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