Get your essential appliances off the grid with just one solar panel
Spark Core + Camera + NodeJS = Home Security Camera
This is a simple use case of combining the Amazon Echo (Alexa) and Spark Core.
Robotic arm controlled over the internet to perform pick and place operation.
Using 60 LED's facing a suitable wall, the time is projected in colour.
Using the Spark Core to gather plant/garden environment data then post it for storage and visualization it to a custom cloud application.
Automated railroad level crossing detects the train approaching the level crossing and alerts the users and closes the gate.
An ambient soundtrack that reflects status and events in your physical and virtual world
Control and query your garage door with IFTTT.