Remember the smart house that would turn on the A/C before you get home, the bed that tracked your sleep pattern and the sensors which adjust your house CO2 level? This won’t do any of that, but you can make the tiny LED blink when you get an email, or when the toilet is empty, or when the room is too hot, which is very impressive. Adafruit has a wide range of tips and tricks and tutorials, like this totally unrelated cat cosplayers photoshoot. So, make sure to check them out. Smartphone is so 2013, board the cool train to the future or get killed by Micrsoft’s latest bot, it’s very racist.