[_lacroix]

Yes! They're the computer equivalent of buying a water filter for your kitchen sink or a dimmer switch for your bedroom. No point in redoing the plumbing or rewiring the entire house but you can throw one tiny cheap appliance in there and solve a single discrete problem pretty quickly.

[cptskippy]

I have a couple at hand near my desk at all times and can just flash a MicroSD card and boot one up in a couple minutes. They're incredibly handy for prototyping things.

I needed to test out an Onvif setup, I was able to flash a Pi Zero W and have a functional Onvif camera in 20 minutes.

We got some windows blinds and I noticed they used Z-Wave remotes so I pulled out a Pi and setup an HA server running them on schedules with-in half an hour.