Recent content by jlew

[/url] You are of course completely right, and this is what i should be doing with my time. My problem is gaps between floor boards through which cold draughts blow and old single pane sash windows :(

Thanks for the info. Presumably if I can find the relevant docs for my boiler / timer I can get more info on what's actually being switched? Are there likely to be any other ways to switch my boiler without messing with the thermostat? JL

It's not strictly controlled by 'my computer', I'm using a microcontroller to poll a web page where I'm posting a setting to tell it whether to turn my heating on or off. The web page is accessible from any browser (like, my phone or any PC), so I can turn my heating on or off from anywhere...

Over xmas, I'm fiddling with a little project to control my thermostat from my computer. I can switch anything on/off from my PC, including mains voltage with a suitable relay. My thermostat is a Honeywell T40, a wiring diagram of sorts can be found here...