Here is a page describing how I upgraded my WiFI Shield a Uno R3 board with Arduino 1.0.5r2 Software, a Windows 8.1 machine and WiFi Shield Model R3. I hope it works for you too. This upgrades the AT32UC3 and the HDG104 modules firmware. Download and install Flip from here. http://www.atmel.com/t…

WiFi Shield Firmware Update for Uno R3 : Arduino 1.0.5: Window8.1 : (AT32UC3A)

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