A few years ago Owl started charging for their service that enabled me to interrogate and update the settings of my Owl Intuition system. The main part I had was Central Heating control and monitoring of a single phase electrical supply. I decided then to write something to replace there service and be able to do it all myself. But I had no idea how to until I discovered Node-Red, which seemed to make communications with the Owl over UDP simple. So this project started as way for me to learn about Node-Red and how to use it.
A couple of months later the flow below has matured enough for me to be reasonably confident in publishing it for others to use and/or modify for their own purpose. I'm not saying it's perfect but it works for me.
The Flow enables you to control the Heating with buttons for switching between Comfort and Standby together with Toggle Buttons for Boosting or setting Away. The logic behind the buttons is a bit complex and has to cope with other methods being used to control the system (eg t