In this fifth installment of my series on HomeKit-compatible devices, we'll look at yet one more gadget that Elgato has given me: Eve Door & Window ($39.95). Its simple function is to tell you whether a door or window is open or closed, and it keeps a log of openings. Previous posts have covered iHome's SmartPlug ($39.99) and Elgato's Eve Room ($79.95), Eve Energy ($49.95), and Eve Weather ($49.95).
