Hi all,
I'm using the Neo 6M GPS module, and for some reason it does not power on when I plug it into either 3.3V or 5V on the Arduino Nano.
I tried to upload the example sketch from the library as well, there is still not light. Is there any way to tell if its powering on but not fixing onto a satellite?
i left the module about 2 hours in the terrace but didn't get any flash or something how to find that the module is working fine or not
or is it damaged i bought i recently for my college project
please help me solve it
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GPS modules generally have an LED on them which is illuminated when the module is powered. In addition to that LED there is usually another one that flashes when satellite lock has been achieved
Please post a link to the GPS module that you have
You have to use the Arduino IDE serial monitor to see the output form from the Neo 6M GPS module, then see the GPS data to see check module is connecting correctly with the Arduino.
Possibly. If you bought a cheap one on Amazon, Alibaba or the like, it is probably counterfeit. Return it if you can.
If you have one of these modules there should be a pilot light labeled D1. When power is applied D1 should illuminate and once it has satellites D1 will begin to blink at a 1.0 second rate. Either way D1 should be constant illuminated or blinking. If D1 is not doing anything that tells us no power or something is really wrong.
Ron
That's the module I use. And it's a genuine GoouuuTech GT-U7, not some cheap imitation.
Anyway, that's exactly how it works. The LED should always be on if it has power, but it goes dark (and the PPS line goes high) for 100ms at the beginning of each second if it has satellites.
It has a 3.3V regulator, so it requires 5V at Vcc. The serial lines are 3.3V, but I don't think they require any level shift to work with 5V Arduinos. I know the PPS line works fine with a Nano.
So yes, if you have 5V at Vcc and no LED, it may be dead, Jim.
Yes, the duty cycle of the 1 PPS is 10% so 100 mSec on and 900 mSec off.
Yes, it works fine with a 5 volt Arduino. I have also used it with some old software I wrote years ago in VB 6.0. Located indoors here in Cleveland, Ohio I normally hit 5 or 6 satellites during the day and more at night. 
Ron