Thanks, Arv (and All!). Now to research where in ZL (preferably local - find me on APRS.fi) and cost ... My present raduino is my second - I blew the first with stray wiring :(
There used to be a Dick Smith outlet here, but that's long gone - and far from the 'builder' outlet it was. I think there's a Jaycar 10 miles away, but I'm not mobile. Head down, tail up, here goes ...