Hi,

I'm trying to make my central heating more efficient and to do so I am building a fairly simple logging application which logs the room temperature, the temperature of the radiator and the gas usage. I'm putting this all in a graph which you can see in the attachment.

I'm using a P1 cable to ...

I changed the event to look like this, hopefully I have some coffee tomorrow!

Thanks

I'm trying to make my coffee machine to go on when I'm at home, but for some reason it does not work. Can anyone spot the mistake?