I am new to Arduino. I have my Arduino board pluged into my computer and am trying upload the blinking light code. When I press upload to I/O board it gives me the following error:
This is the error you get when your computer is unable to talk to the Arduino. There are many possible causes (see http://www.arduino.cc/en/Guide/Troubleshooting ), but the most common for a new user is to have the "Board" selection (in the tools menu) not match the actual Arduino hardware that you are trying to use.