Member #442997

Member Since: June 1, 2013

Country: United States

  • Product GPS-00465 | about 10 months ago

    I have the SparkFun GPS shield and the 406 GPS unit. I have confirmed connection between the GPS RX to Arduino TX and GPS TX to Arduino RX with an ohmmeter. I’m running the current example sketch listed under the GPS Shield listing but I get no data. I do get:

    GPS Shield QuickStart Example Sketch v12

    waiting for lock

    But nothing more. I have open skies and the activity light on the GPS is flashing away but after 7 minutes still nothing is printed out on the serial monitor other than the above two sentences. I have confirmed +5v and GND on the GPS 406 plug to the Arduino board. The sketch compiled OK with no errors. I’m using the UNO board and power through the USB from my laptop. Switch is in the DLINE position and the ON/OFF switch is in the ON position. Does the case of the GPS unit have to be totally insulated from the shield? I mounted it with thin double sided tape but on the prototyping area which I assume is not connected to anything. I may try some double sided foam tape to lift it above the board to see if that could be causing a problem. My old Garmin gets a fix in a minute or two in the same location. Does anyone have any idea of what the heck is going on here? Also posted on the GPS Shield page to cover all bases.

  • Product GPS-10710 | about 10 months ago

    I have the SparkFun GPS shield and the 406 GPS unit. I have confirmed connection between the GPS RX to Arduino TX and GPS TX to Arduino RX with an ohmmeter. I’m running the current example sketch listed under the GPS Shield listing but I get no data. I do get: GPS Shield QuickStart Example Sketch v12 …waiting for lock… But nothing more. I have open skies and the activity light on the GPS is flashing away but after 7 minutes still nothing is printed out on the serial monitor other than the above two sentences. I have confirmed +5v and GND on the GPS 406 plug. The sketch compiled OK with no errors. I’m using the UNO board and power through the USB from my laptop. Switch is in the DLINE position and the ON/OFF switch is in the ON position. Does the case of the GPS unit have to be totally insulated from the shield? I mounted it with thin double sided tape but on the prototyping area which I assume is not connected to anything. I may try some double sided foam tape to lift it above the board to see if that could be causing a problem. My old Garmin gets a fix in a minute or two in the same location. Does anyone have any idea of what the heck is going on here?

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