Use Tessel with Google Compute Engine GPU instance running Darknet YOLO via a Node.js server to perform multibox detection over websockets!
Use Express.js interface to feed the fish and water the plants while we are away on holidays.
A cat feeder that feeds your cat at set intervals and texts you when it does
IR-controlled iPhone panorama selfies
Control a Sumobot over Websockets
Tessel-powered robot car that flinches away from loud noises.