Recent content by Gaui 500X

How do i change the settings for the "Trending topics" email that i receive to my email address ? Which is the setting for that? Thanks in advance.

I have a Gaui 500X with the FY91Q Flight controller with GPS and Compass, but i have no radio so I'm looking to buy a suitable radio, preferably a good priced radio. It will need to have a 3-position switch for the different flight modes. I don't know what more it needs to have in order to be...