Thank you for replying.

I knew it was a stupid question!!

Of course I have done it before LeBo2d9.

It's just going to be one of those days ....

Hi,

I know this is probably a stupid question but ...

How do you connect the RfxTrx433E to the Raspberry Pi?

Is there a special USB cable? (If so I have lost it.)

I have powered the 'Pi from an external supply to free up the USB port for the connection, but I do not appear to have any power for ...