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→Simple Digital Out
# Set up LED on external board, check that it works
# Connect the LED to one of your Digital Out pins.(Pins 0-13 on the "Digital" side of your board, by the power light.)
[[Image:Led_output.png|400px]][[Image:Led_out_on_breadboard.jpg|400px]]
''Basic LED Driver''
# change Blink program (from Sketchbook->Examples->Digital) to output to that pin you connected.