The banggood site has a few different options for different flight controllers, but the SP racing version doesn't come with a compass. I have the Eachine version of the SP racing board that didn't come with a compass, barometer or altimeter so I bought the APM version and decided I would replace the connectors to suit my board.
The SP Racing F3 manual says that the connectors are JST-XH but I ordered a few and was disappointed to discover they were the wrong ones for my Eachine version of the SP racing board.
After ordering a few types, I discovered the type on my board are the JST-SH 1.0mm (at least for the 4 pin ports).
I found out the hard way that the little piece of paper that comes with the device is misleading.
I was expecting that I would need to cross TX/RX from the GPS device when connecting to the FC, so I wired based on that and got stuck for a while trying to work out why my device wouldn't connect to my FC. It took me a while to realise that I should have been following the diagram below from the banggood website.
Once I fixed this the device connected immediately and functioned as expected. By default my device was working at 9600 baud.
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