GPS module for Photon?

[pranav292]

Can any one guide me how to use Serial2 in photon with a diagram.?

Using Serial2 on the Photon

Normally, the Photon has one UART hardware serial port (Serial1) and the USB serial port (Serial). There is another hardware UART serial port (Serial2), but getting to it is a pain. I don’t recommend using it. Serial2 shares the same pins as the RGB status LED. This means that you have to disable to status LED. This will make debugging a pain in the future. If your code is running, you can mirror the status LED on another LED. Unfortunately that doesn’t work when your code is not running, which…

I refer above link but didn't get any idea..