examples/button_and_led.rb
require 'artoo'
# Circuit and schematic here: http://arduino.cc/en/tutorial/button
connection :firmata, :adaptor => :firmata, :port => '/dev/ttyACM0' # linux
#connection :firmata, :adaptor => :firmata, :port => '127.0.0.1:8023'
device :led, :driver => :led, :pin => 13
device :button, :driver => :button, :pin => 2, :interval => 0.01
work do
puts
puts "Press the button connected on pin #{button.pin}..."
on button, :push => proc { led.on }
on button, :release => proc { led.off }
end