gistfile1.rb

class Analogled < ArduinoSketch
    
    #Example 04 fade an LED in and out
    #from page 59 of Getting started with Arduino
    
      output_pin 9, :as => :led
      @i = 1
      
      def loop
        while @i < 255 do
          analogWrite led, @i
          @i +=1
          delay 10
        end
        while @i > 0  do
          analogWrite led, @i
          @i -=1
          delay 10
        end
        
      end
      
  end