I encountered a problem today when I no longer can use the Arduino IDE to upload or even compile ANYTHING. I have a sketchbook full of working sketches that will not compile or load. Blink will not compile! I get errors like this: Blink:14: error: ‘pinMode’ was not declared in this scope Blink.cp…

Arduino 1.0.1 total breakdown on Linux

nickgammon October 20, 2012, 8:43pm 8

What board do you have selected in the Tools -> Board menu?

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