Calvin Wankhede / Android AuthorityAs someone who grew up with a dial-up internet connection, I get anxious at the thought of any always-online product or service. My smart home is no different — I rely on it to automatically cool the room when I return home, light up my closet when I open the door, and match the color temperature of my lights to the sun’s position. Why should any of that require an internet connection? That train of thought is exactly what led me to build a fully offline smart ...