Tessel 2 is a connected hardware prototyping system that you can take into production. It features elegant command line tools that make it simple to deploy code, set Wi-Fi credentials, and manage authentication. It is programmable in JavaScript with the capacity to support other languages as well.
Tessel 2 is also an ecosystem which features plug and play modules require no soldering skill and it is high level APIs could make prototyping even faster than you can image.
Features
2 Tessel Module Ports
Add sensors and actuators in one step
2 USB ports
Use peripherals like cameras and 3G/4G dongles to add more flash storage
802.11 b/g/n Wi-Fi
Connected out of the box and wirelessly programmable
Ethernet
An ultra-reliable wired connection supports 10/100 ethernet