The circuit if functioning quite well now. Turn on and GPS initializes. When the data starts to flow the SD card is initialized. A txt file is created an opened.
Bottom right button starts and stops the data logging. Left button stops the data logging, closes the file and opens a new file for data logging.
The top button stops the data logging, closes the file and stops the program.
The circuit is a bit of a mess. I had to add another board to interface the components so I am redesigning the board to clean it up. I have some other applications for this circuit so it's worth the expense of new boards. It's about $135 to get 4 boards made so the more things I can set them up for the better.
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