RE my posts #8 & #12, there seems to be more than one RF-Nano design out there. Some have CSN on 9 and CE on 10, whilst others have CSN on 10 and CE on 9. I'd try both combinations with Robin's comms test sketch to see which one you have.
RE my posts #8 & #12, there seems to be more than one RF-Nano design out there. Some have CSN on 9 and CE on 10, whilst others have CSN on 10 and CE on 9. I'd try both combinations with Robin's comms test sketch to see which one you have.