* External GPS module instructions
Instructions on how to use external GPS modules on boards without this functionality. More to come....
* GPS module
* New modules added
Extended the list of boards and pin maps.
* Update gpsmodule.md
* Update gpsmodule.md
* GPIO warning
To keep consistency across documentation pages.
* Final revision
* Revert unwanted changes
Co-authored-by: Daniel BP <daniel@brookepeig.com>
