It is a blustery and wet morning in Dublin city centre. Outside the window of the room where I am meeting Dr Gary McDarby, a telecommunications tower on top of an office block is being battered by adverse weather. In the future, McDarby hopes that on every tower, not just in Ireland but also internationally, there is one of the sensors made by his company, called Edgeliot. McDarby has one of his sensor boxes with him and he explains succinctly how it will help not just telecom firms but also the planet. Edgeliot has raised a €750,000 seed round to…