I've got a wifi shield, and I'm trying to use it with an older Uno (pre rev. 3)
In the instructions at http://arduino.cc/en/Guide/ArduinoWiFiShield#toc2
it says I can either jump the 3.3v connection to IORef, or solder it. But in neither image does it actually show what needs to be done.
Do I just need a jumper cable from the 3.3V connection on the wifi shield to the IORef connection ? My concern when doing this is that the pin I would be connecting 3.3V to sits pretty close to a component on the actual ardiuno - see
Thanks in advance,