The office is being refurbished, so before the Christmas break I took down my shower room door monitor and used my spark core (with relay board) to do a very quick hack and remote control the Christmas tree lights from my phone. »
UPDATE: I’ve got a newer post on an improved version of this project with lots of LEDs and 11 times more awesome. »
Maplin have discontinued the electricity monitor used here. Indeed, Maplin themselves have been discontinued. ☹️ I have a couple of these spare that I got for a bargain price when they were heavily discounted. »
I made this soldering iron holder a while ago. Here’s how to make one yourself from things you probably have lying around. »