Use StarterKit to send a message to SNS when people come!
Create a program that sends a message to Twitter when a motion sensor detects a change.
Use voice recognition to wave the flag when you hear "I'm home"
Using the voice recognition of the browser, when you say "I'm home", wave the flag that says "Welcome back".
Real-time temperature graph [WebApp]
Create a real-time temperature graph using WebApp.
Change the color of the signal LED depending on the weather
Use OpenWeatherMap's Weather API to change the color of the signal LED that lights up according to the weather.