The Yún Rev. 2 board allows you to connect to the internet using the onboard WiFi or Ethernet connection. Furthermore thanks to the Bridge library it able to extend the functionalities of the Microprocessor by using the computational power of the Linux processor on the shield. Using the Yún Web Panel it is also possible to configure all the shield-related features and remotely upload sketches on the board connected to the shield.
The shield contains a number of signalling LEDs:
- ON (green): indicates that the shield is properly powered
- WLAN (blue): indicates a connection to a wireless network
- WAN (red): indicates connection to ethernet
- USB (white) : indicates system activity and/or if a USB key is mounted