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August 7, 2008
about 7 years ago
Did you find out why your GPS couldn’t lock anymore ?
My unit seems to follow the same scheme : first days it was locking 8 sats indoors, and now I have to go outside and wait 15min to get 3 sats.
And when I move few meters around my position, the signal disappears !
I don’t know what to do…
about 8 years ago
Usually the COM port on PC can’t go faster than 115kbps. If you want a faster interface, you must buy a specialized PCI card.
However, I purchased this module to interface it with a dsPIC, and this one : https://www.sparkfun.com/commerce/product_info.php?products_id=8180 for the PC side.
I was able to communicate between dsPIC and PC @ 921.6kbps.
But when the rate is very fast (let’s say >100bytes @ 100Hz) the module stop emitting. To solve this, I was forced to configure the module in “Fast Data Mode”, as explained in the datasheet.
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