adhd
"I wonder what the home assistant app can put in Android widgets"
two hours later: I've written a bug report for a HA blueprint that's been bugging me and picking up my phone reminds me of what I was actually trying to do and that I don't even like having widgets on my home screen
adhd
oh right in the middle of that I learnt that consumer CO2 sensors that don't just estimate CO2 cost a lot of money and there's an open data air quality sensor project at https://sensor.community that looks cool