Our daily lives are now invaded by connected objects, smart appliances and other gadgets of varying degrees of usefulness.

These products offer convenient home enhancements, such as control and safety sensors that work without setup, a smart lock that charges itself, and blinds that automatically shield you from the sun.

It’s the most wonderful time of the year for smart-home enthusiasts. The annual Consumer Electronics Show convention—more commonly known as CES—was held in Las Vegas this week and gave us a look at ...