In theory, every time you go to the coffee machine for your morning cup, there’s only a one-in-twenty chance you’ll have to fill the water tank. In practice, however, it seems that the machine somehow finds a way to always put this chore on you. The more you want coffee, the more likely you are to get the dreaded “fill the water tank” message. My colleagues feel the same way about this. Being the nerds that we are, we decided to implement the technology that would put an end to this.
See it in action: https://www.youtube.com/watch?v=JSZgaPKaC8s
Read the full story here: https://medium.com/cloud4rpi/smart-coff ... 135598f1a4