NEO-6M GPS Module

How to test if the NEO-6M GPS Module is not faulty?

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If the red LED blinks once per second, that means the GPS has received enough of a signal to produce a time pulse.

There may be other ways, but that’s the easy one.

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btw - this is now no longer a good indication, because most of the time (once we have a gps position) we now turn the GPS off to save power. So that red led won’t be blinking then. We turn the gps on only occasionally with the default preferences.

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the easiest way is to leave it outside for a bit and then look at the screen to see if it has a gps lock.

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Thanks for the response.
I managed to get a GPS lock after 4h of just leaving it on outside. Is this usual? How would I change the GPS settings and are their any instructions for creating new binary files?

oops - I just updated my comment with instructions on how to disable the gps. No need for a new binary.

if the antenna connection is marginal it can take a long time for the gps to get its first almanac, but it should then be much faster.