Elgato has released a firmware update for its Elgato Eve Weather sensor to enable the accessory to be configured to trigger HomeKit scenes. Prior to iOS 9.3, Apple did not provide a way for actions or data from Bluetooth-based HomeKit accessories to be used as triggers in HomeKit automation. So, for example, you could not set up a scene to activate when unlocking or opening a door or changing a temperature reading. With iOS 9.3, Apple released a new…