I think my telemetry port may be damaged.
I tried to set up a minim osd but i failed to understand the wiring correctly.
this worked ok when powered from the usb link
however when i connected the main lipo battery (camera and Tx 12v from balance plug)
I got no video pass thro or osd opps!!
next I connected 3dr radio link Thinking this would be better than osd,
However i get no response from the port.
I have a second amp 2.5 board and the radio link works perfectly on that.
my question is this can i use a spare uart to connect to the radio/osd telemetry port
I notice that there are solder jumpers to change uart connections??
do i have to change software settings to do this??
Thanks Tim Painter