Parts needed
Other Parts used
Links for the downloads
R9M firmware page – https://www.frsky-rc.com/r9m/
R9 Slim firmware page – https://www.frsky-rc.com/r9-slim/
R9M firmware page – https://www.frsky-rc.com/r9m/
R9 Slim firmware page – https://www.frsky-rc.com/r9-slim/