September 30, 2010
C#, Java, C++
Tutorial - GPS Shield Quickstart Guide
about 4 years ago
I never get valid sentences , all I get is
waiting for lock,
and it prints nothing, I see my red led on GPS blinking , it never becomes solid red, what I need to do to get valid gps sentences, I am using arduino 18
-Alok Kumar Mishra
In this case I would just test the serial communication with the GPS chip with a terminal emulator, like Tera Term Pro or Hyperterminal, connected to the Shield. I just did that with the EM-406A (using the uUSB-MB5 - http://www.sparkfun.com/commerce/product_info.php?products_id=8531), and saw that the chip keeps sending NMEA strings, even though I am inside and cannot receive GPS signals. This way I am sure that the basics works, before introducing additional layers such as GPS API etc.
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