There is flic, switchbot, MicroBot (I had one of these for awhile, got it cheap) and I’m sure tons and tons of kickstarter projects out ther.
They are typically BT so you’ll have to find some Python script on GitHub to interact with it outside it’s native app, and at least in the MicroBot case, it was not super fast nor reliable. I wouldn’t use it to control a coffee machine personally.
I used it because my very expensive but purchased before I got into home automation Bose speaker does not have the ability to remain on all the time. I have a Chromcast Audio plugged into it and cast music to it all the time but have to physically go over to the speaker to turn it on. The MicroBot worked OK for this but the glue that held it in place gave way. And periodically it would just start pushing the button randomly.