A lot of UK boiler controls are looking pretty antiquated and cumbersome to use in 2010. The days of mains-voltage hard-wired thermostats and wireless battery-eating alternatives must surely be numbered. Signal dropouts are common, and why is the thermostat mobile? Modern designs are at least more aesthetically pleasing that the 80's and 90's stats. The hunger for energy efficiency has understandably revolutionised boiler design and left our building regulations in a curious and contradictory state.

I set out to build a modern, relatively cheap controller, that:

The current prototype uses