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Good day While looking for the smallest possible GPS solution for a Raspberry PI 2 searching has brought me to these solutions.

I am thinking of getting those two, but being more of a programmer than an hardware person I was thinking I would need some help connecting them to my Pi.

In this Post How do I attach a GPS receiver?. @ppumpkin mentioned that this can be connected to the Pi using the UART pins. ( I have male to female breadboard wire so I can do that)

However in the Datasheet for this device. The 6 pins are described as this

1 GND Ground, 2 VCC V Power Supply, 3 DP USB Positive, 4 DM USB Negative ,5 V_Bat Backup power,6 PWR_CTRL

So apart from pin 1 GND of the GPS being connected to the Pi's ground. I'm not exactly sure where the remaining 5 Pins should be connected.

P.S will the Lat/Lon be returned in such a way where I can save it to a variable and pass it to a URL or whatever I decide I want to do with it?

Thank for any assistance or any resource which can help me.

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  • always take a look at datasheets =) The answer is here just one click off your link =)
    – Alexey Vesnin
    Commented Mar 10, 2016 at 13:08
  • @AlexeyVesnin I did look at the data sheet, Like i said... apart from the ground, i couldnt figure out what plugged into where
    – Niana
    Commented Mar 10, 2016 at 14:29

1 Answer 1

Reset to default
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The SparkFun site says

Note: We are carrying the “T” option of this module which is TTL-UART and not USB.

That is connected as follows.

GPS                 Pi
UART                Pin
TTL
1 Ground     ---    6 Ground
2 VCC (3.3V) ---    1 3V3
3 TXA        ---   10 RXD
4 RXA        ---    8 TXD
5 V_BAT      ---    No connection
6 PWR_CTRL   ---    No connection
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  • Thanks for this answer. However I'm looking at it and would like some clarification, should pin 3 (TXA) on the UART go to pin 10 (RXD) and pin 4 (RXA) go to pin 8 (TXD).
    – Niana
    Commented Mar 10, 2016 at 12:28
  • Yes, it's usual for serial links to connect one ends TX to the other ends RX and vice versa. The datasheet says "3 TXA Port A serial data output (from GPS) Output" which must be connected to the Pi's RXD pin.
    – joan
    Commented Mar 10, 2016 at 12:36

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