Smart Home Interoperability Checklist: Ensuring Device Compatibility Before you buy another smart home device, you need to know it'll actually work with what you already own. This smart home interoperability checklist walks you through the compatibility factors that matter—protocols, hubs, automation logic, and fallback behaviors—so you can avoid the frustration of devices that refuse to communicate. I've watched too many homeowners return perfectly good hardware simply because they didn't check one critical compatibility requirement before purchasing. Whether you're just starting out or expanding an existing system, this checklist will save you from expensive mistakes. Does Your Hub Support the Device Protocol? The first barrier to interoperability isn't the device itself—it's whether your hub can speak its language. In my experience, this is ...