I hope someone else has this same GPS module and can help me get it set up correctly. It's from banggood, bought with a package of stuff, and I can't find a manual anywhere. It has 3 ports instead of the normal 2, so I don't know what to do with it.I'm running an APM 2.7 (Hobbyking version), so any help on setting this up would be appreciated.
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Ok this is easy. So you have 3 ports but really you only have 2. Going from left to right. The first port is just a GPS compass port, on most GPS you will find a port like this. Second port is just the compass, and the third port is just the GPS.
I have looked online for the best image I could find to help you.
Ignore all the crap on this image. All you need to know is the wire track from the GPS to the APM. Look on your GPS for TXD, RXD, GND, VCC SCL and SDA from the first port on the GPS. Just match the pinout name to the pins on the APM. Just remember the TXD>RXD, RXD>TXD and all other pins go to the same name.