Further adventures in "naming things is hard", in setting up a "scrape council website, fiddle with data, send to MQTT" node-red flow, I had to come up with MQTT topics.

Which is how I have ended up with 'binday/whichbin' and 'binday/whenbin' 🤷🏻​

Now all I need to do is code up something to make use of a raspberry pi and my 7 colour e-ink display...