Twine lets you create Internet-connected systems and objects anywhere you have WiFi. Compact, low-power hardware and real-time web software work together to make networked physical computing simple and versatile.
Twine by Supermechanical

Twine is a wireless module tightly integrated with a cloud-based service. The module has WiFi, on-board temperature and vibration sensors, and an expansion connector for other sensors.

Twine is a timesink of awesome. I want one. And then another one.