With the arrival of some solar panels and an ADC in the post today, its back to the weather station to getting it fully working by January. I have worked out where its going to live, now i just have to put the door on the front, some bug screen over the vents and paint it white so that it stays as cool as possible in the harsh unforgiving Australian Summer.
The panels apparently put out 1amp each at 5v. Yeah right, but 1 is putting out enough current to turn on the charge circuit and so thats a win. 2 Panels should in theory keep the batteries fully charged in the daytime and run everything, just fine. 2 might even be overkill, but I do not want to run out of battery because its been cold and overcast for 5 days. But hey I think my math is ok and it should survive 5 days without sun.