How would I go about integrating temperature and pressure sensors in a cast aluminum boiler?
My espresso machine has a cast aluminum boiler. I want to know what the pressure and temperature in the boiler are. I have an arduino uno and (I think) all the tools I need. I'm reluctant to drill into the boiler because I don't want to have to deal with re-sealing a pressure vessel. I am also thinking of just ripping out the internals of the espresso machine and going for full arduino control. I feel like at a certain point, I might as well just go whole hog and redo the entire system. Any advice you think would be helpful is greatly appreciated.