It's a bit ridiculous when you could have basically taken any old mass produced el-cheapo smoke detector circuit, and instead of tripping an alarm have it just

It's a bit ridiculous when you could have basically taken any old mass produced el-cheapo smoke detector circuit, and instead of tripping an alarm have it just feed into gpio pins on some wifi/whatever controller that has the "smarts". Literally all that was needed to get 100% of the reliability of the billions of detectors out on the market, while working out all the kinks on the "cloudy" sort of stuff. I have to admit I re-invent the wheel more than I should, but man. This one seems simple :)